PART 20 - Grandfathered Services Original Sheet 1 SECTION 8 - Miscellaneous Services

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1 PART 20 - Grandfathered Services Original Sheet 1 AUTOMATIC METER READING Effective November 8, 1997, new installations of Automatic Meter Reading service will no longer be made. Existing systems may be retained under current contract terms and conditions through their expiration. A. General 1. Automatic Meter Reading (AMR) service provides for the remote reading of metering equipment located on a subscriber's premises by a Utility company or its designated agent (Utility), providing gas, water, or electric services. 2. AMR is classified as a competitive local exchange and interexchange telecommunications service. AMR consists of central office facilities which provide a transmission path between the Utility's computer terminal and the meter on the Utility customer's premises via the local exchange network. 3. AMR provides the Utility a signaling path to a subscriber's Exchange line without ringing or interfering with the subscriber's use of the line. 4. The AMR central office common equipment consists of a Controller, which directs the AMR intraoffice connecting facility to provide access to the subscriber's Exchange line; and an intraoffice connecting facility which allows use of the subscriber's line for the transport of meter reading data between the Utility data collection device and the AMR central office common equipment. AMR is accessed by the Utility via non-dedicated telecommunications equipment using a Utility-specific code. Because the central office equipment is shared, immediate access is not guaranteed. 5. A Meter Interface Unit (MIU) provided by the Utility in accordance with PART 68 of F.C.C. Rules and Regulations and compatible with the Company provided central office Controller and facilities as outlined in Part 2, Section 9, must be located on the subscriber's premises. The MIU connects the subscriber's Exchange line to a utility meter. 6. Meter Reading Terminal Equipment (MRTE) shall be defined as the MIU as described above, and all associated facilities, wiring and equipment installed and maintained by the Utility on the customer's premises up to the NETPOP.

2 PART 20 - Grandfathered Services Original Sheet 2 AUTOMATIC METER READING (cont d) B. Regulations 1. AMR is offered subject to availability of central office facilities and equipment. 2. AMR is provided in connection with Exchange service. Utility customers must have Exchange service in order to participate in AMR. 3. AMR central office common equipment is required in each central office where AMR service has been requested. 4. The liability of the Company for providing the service herein shall be as set forth in Part 2, Section The Company shall have no liability to the Utility for service line outages related to their customers' Exchange line. 6. It is the sole responsibility of the Utility to obtain subscribers' telephone numbers and the consent of the subscribers for the use of their Exchange lines. Furthermore, it shall be the responsibility of the Utility to install and maintain any required terminal equipment on their premises and on their customers' premises. 7. Nothing contained in this guidebook shall be construed as establishing any agency agreement, or partnership between the Company and the Utility. The Utility shall be responsible for obtaining all applicable licenses, permits and authorizations and to comply with all codes, laws, regulations, restrictions, or limitations governing the use of equipment or services employed by it in providing AMR. 8. As specified in Part 3, Section 1, the Utility shall be responsible for repair charges incurred for each repair visit by the Company to subscriber's premises in connection with a service malfunction when it is determined that the malfunction is caused by or associated with the MRTE. The Utility shall maintain labels and markings on the MIU and, where practicable, on the remaining portion of the MRTE. Labeling must include the Utility's billing name, billing telephone number and contact telephone number. 9. Calls completed between the Utility and AMR central office common equipment via the Utility's Exchange line will be charged for at the rates specified in Part 4, Section 2. Calls between Market Service Areas (MSAs) will be transported by the Utility's designated interexchange carrier. 10. The Utility will be liable for all non-recoverable charges associated with service establishment in the event there is a Utility initiated cancellation prior to installation. 11. Technological changes, made at the request of the Utility, may be provided at the option of the Company. 12. The minimum initial service period for AMR central office common equipment is 36 months, excluding service provided under the Limited Service Provision specified in D. following.

3 PART 20 - Grandfathered Services Original Sheet 3 AUTOMATIC METER READING (cont d) C. Term Payment Plan AMR is offered under a Term Payment Plan (TPP) option that allows a Utility to pay a fixed rate for AMR service over a 36, 60 or 84 month payment period. During the effective term, monthly rates for services installed under this arrangement will not be subject to Company initiated rate changes. At the expiration of the TPP, the Utility may elect a new TPP at the then prevailing rates, continue the service on a month-to-month basis at the then prevailing rates, or terminate the service. At the expiration of the TPP, the Utility will be billed on a month-to-month basis at the then prevailing rates unless the Utility elects another option. At the option of the Utility, payment for all the remaining monthly charges associated with the AMR Central Office Controller may be made as a lump sum payment, as described in Part 2. The prepayment of the monthly charges in no way constitutes a purchase of the AMR central office Controller. The Company retains full ownership of all equipment covered. In the event that the service is terminated prior to completion of term, all remaining charges shall become immediately due and owed. A Utility may prepay all of the total outstanding charges during the selected TPP. D. Limited Service Provision The Limited Service Provision option allows a Utility the opportunity to test and integrate AMR equipment, methods and procedures. 1. Utilities not currently subscribing to AMR may participate in an optional Limited Service Provision. 2. A Limited Service Provision arrangement is restricted to one central office location per Utility. 3. An AMR Limited Service Provision is provided subject to the availability of Company facilities and at the option of the Company. 4. The service period is 12 months for customers that elect the Limited Service Provision. 5. Upon conclusion of the Limited Service Provision period, the Utility will either terminate the service or select a TPP. The Utility will notify the Company, in writing, of its intention 30 days prior to the expiration date of the Limited Service Provision Period or be terminated at the option of the Company. 6. A Per Month rate, or at the option of the Utility, a prepayment rate, as well as a non-recurring charge will apply for the Limited Service Provision. Non-recurring charges associated with the installation of service shall be paid in full when service is established.

4 PART 20 - Grandfathered Services Original Sheet 4 AUTOMATIC METER READING (cont d) E. Rates and Charges The following rates and charges are in addition to the rates and charges for any other services associated with AMR. 1. Meter Read Charges AMR usage charges are applicable when a Utility successfully completes a meter read from a customer's premises. Two rate periods will apply: Rate Periods Charge Per Read Peak 8:00 a.m. - 10:59 p.m. $0.12 Off Peak 11:00 p.m. - 7:59 a.m Notes: - Time of day provisions apply to each day of the week. - A successful read will be determined by a billing record registered for each contact. - In addition, the Utility will be billed according to current voice usage rates. If applicable, appropriate 800 usage service charges from the central office Controller to the Utility will also apply. 2. Limited Service Provision The Limited Service Provision Per Month rate applies for 12 payments, and the I.N.C. should be added to the prepayment amount. I.N.C. Per Mo. Prepayment Central Office Controller /MRM/ $1, $ $5, Term Payment Plans Per Mo Month-to- I.N.C. Months Months Months Month Central Office Controller, first application /MRM/ $1, $ $ $ $ additional per customer /MEJAX/

5 PART 20 - Grandfathered Services Original Sheet 5 AMERITECH SERVICE MANAGEMENT SYSTEM A. General 1. Ameritech Service Management System (ASMS), classified as neither local exchange nor interexchange telecommunications service, provides the customer with the capability for additional control and management of Centrex Service, Centrex Switching Service (CSS), Integrated Information Network (IIN), Ameritech Integrated Digital Network and other Company provided telecommunications services. ASMS provides a single point of mechanized entry into the Company for the following services: - Trouble Reporting - Measurement Reporting - Testing Services - Performance Monitoring - Customer Control 2. ASMS services will only be provided from central offices equipped for the services subject to technical limitations and availability of such equipment and facilities. 3. The customer accesses ASMS by means of a customer provided terminal or work station equipped with a communications package over either a customer provided private line or the public network. 4. All customer provided equipment used to interface with ASMS is required to conform with the Technical Reference Specifications as used by the Company and found in Technical Reference AM-TR-MKT The technical reference documents are available from: APEx Support Team (734) ASMS services may be subscribed to individually or in combination with other ASMS services under conditions stated elsewhere in this guidebook. 6. ASMS customers are permitted to access only their own customer information. 7. ASMS customers may continue to use established, non-mechanized procedures for obtaining information involving their Company provided services. 8. The Company reserves the right to temporarily restrict the customer from accessing any or all ASMS services when service-affecting conditions exist or during scheduled maintenance downtime as determined by the Company. 9. Initial training in system operation for up to ten customer personnel in no more than two sessions is provided at the time of system cutover at an agreed upon location. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

6 PART 20 - Grandfathered Services Original Sheet 6 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) B. ASMS System Features ASMS System Feature capabilities are provided to all ASMS subscribers. Viewing Feature This feature permits the customer on-line access from customer terminals to view ASMS administration tables (including customer specific information) and any reports processed by ASMS. Printing Feature This feature enables a customer to send selected ASMS reports to a customer designated printer for hardcopy output. Reports which can be printed include: - Measurement Reports (Scheduled) - Performance Monitoring Alarm and Alert Data Notes Feature This feature, available from the main menu or sub menus, provides a simple, direct means for the customer or the Company to initiate and/or respond to service inquiries. This feature allows the user to: - Review notes sent by the Company - Save/delete notes sent by the Company Customer Information (Circuit ID Table) Access This optional feature is accessible from either the Trouble Reporting menu, Testing menu or Customer Information menu, and provides the customer on-line access to complete up-to-date listings of all Company provided lines and trunks loaded into ASMS which serve the customer. Number ID tables available to the customer are: - Telephone Numbers - Trunk Groups Due to technical limitations, on-line Customer Information Access may not be generally available to all customers. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

7 PART 20 - Grandfathered Services Original Sheet 7 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) C. ASMS Services 1. Trouble Reporting a. General Basic Trouble Reporting Basic Trouble Reporting allows the customer to report troubles associated with nonengineered circuits (on a per circuit basis) to the Company. The customer may also add information to existing trouble reports. b. Service Features - Trouble reporting on Company provided services - Confirmation of trouble reports received by the Company - Additions and changes to trouble reports 2. Measurement Reporting a. General 1. Measurement Reporting provides for scheduled reports on traffic on Company provided services. Scheduled summary reports are available on a 24 hour basis. Traffic reports may provide peg count, usage and overflow outputs. Reports and usage may be viewed on a customer terminal and/or printed at customer designated locations. 2. Traffic reports may be provided in standard or non-standard formats. Standard traffic reports are described in b. following. Non-standard traffic reports may also be available to meet specific customer requests. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

8 PART 20 - Grandfathered Services Original Sheet 8 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) C. ASMS Services (cont d) 2. Measurement Reporting (cont d) b. Service Features 1. Standard traffic reports include, but are not limited to, the following: - Centrex Universal Call Distribution Traffic Report: traffic measurements by Centrex/IIN/Ameritech Integrated Digital Network group including, but not limited to, offered, answered and abandoned counts. - Trunk Group Traffic Report: traffic measurements, where available, by trunk group including, but not limited to, peg count, usage and overflow counts. - Console Traffic Report: traffic measurements by Centrex/IIN/Ameritech Integrated Digital Network console group including, but not limited to, usage, busy and overflow counts. - System Traffic Report: traffic measurements by Centrex/IIN/Ameritech Integrated Digital Network system including, but not limited to, total originating, direct in and out dial and intragroup counts. 2. Formats: - Scheduled reports of 24 hours of traffic data 3. Reports may be viewed and/or printed at customer locations on customer provided equipment. 3. Testing Services a. General Testing Services allow the customer to request tests on Company provided circuits equipped for testing capability. Test results are returned automatically for customer viewing. b. Service Features - Allow the customer to request testing on non-engineered circuits - Provide capability to view a summary of test results on non-engineered circuits - Provide capability to view detailed test results on non-engineered circuits - Allow test requests to be viewed in a status list summary Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

9 PART 20 - Grandfathered Services Original Sheet 9 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) C. ASMS Services (cont d) 4. Performance Monitoring a. General The customer may obtain scheduled "Line/Trunk Out of Service" reports on Company provided services. Performance Monitoring may also provide the customer with capability to receive alarm and alert data generated by the serving central office which may affect Company services subscribed to by the customer. b. Service Features D. Regulations 1. Switch Performance Reports Capability to view scheduled "Line Out of Service" and/or "Trunk Out of Service" reports for lines and trunks providing Company services to the customer 2. Switch Performance Monitoring Alarm and alert data concerning Company provided services delivered in near real time to customer designated printers and/or computer systems 1. Customer Responsibility The customer will be responsible for obtaining the terminal hardware, communications software, and network connections required for access to ASMS. Each customer will be provided with a copy of the user guide for ASMS. 2. Minimum Contract Period (MCP) a. ASMS is offered under 12, 36 or 60-month MCPs. This allows a customer to pay a fixed rate for ASMS services over the payment period selected. During the effective term, monthly rates for services installed under this arrangement will not be subject to Company-initiated rate changes. b. Minimum Contract Period Extensions 1. Once during the term of a 12-month, 36-month or 60-month MCP, a customer may extend the MCP subject to the following conditions. The term remaining on the original MCP plus the term of the extension ("term of the new MCP") may not be less than 12 months and may not exceed 60 months. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

10 PART 20 - Grandfathered Services Original Sheet 10 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) D. Regulations (cont d) 2. Minimum Contract Period (MCP) b. Minimum Contract Period Extensions (cont d) 2. The monthly rates for the existing MCP will continue during any MCP extension, unless a lower rate would apply to the term of the new MCP based on the then current guidebook rates for a 12-month, 36-month or 60-month MCP. If the term of the new MCP is up to 35 months, the 12-month MCP rates would apply; if the term of the new MCP is from 36 through 59 months, the 36-month MCP rates would apply; if the term of the new MCP is 60 months, the 60-month MCP rates would apply. The lower rates, if applicable, will become effective on the date the extension is signed. Such rates will not be retroactive. 3. Regulations applicable to the 12-month, 36-month and 60-month MCPs apply to any extensions. c. Month-to-Month Continuation At the conclusion of any 12-month, 36-month or 60-month MCP, the customer may also elect to continue ASMS service on a month-to-month basis. Month-to-month rates are available only at the conclusion of a 12-month, 36-month or 60-month MCP. ASMS regulations other than those which pertain to MCP terms shall apply to any month-tomonth continuation of service. d. Rates and charges are due and payable on a per customer basis. 3. Termination Liability The customer requesting termination of any or all ASMS services prior to the expiration of the MCP will be liable for payment of all applicable Service Subscription Charges and I.N.C. installments under the deferred payment plan for the remainder of the term as a lump sum at the time of termination, adjusted for the time value of money. 4. Suspension of Service Suspension of Service is not offered with ASMS. 5. Responsibility of the Company ASMS processes commands in the sequence received. Consequently, service access delays may be experienced by the customer during peak load hours. Immediate access is not guaranteed. Moreover, the completeness and accuracy of the information provided by ASMS is not guaranteed. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

11 PART 20 - Grandfathered Services Original Sheet 11 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) D. Regulations (cont d) 6. Security ASMS employs a multi-level security system to promote customer network privacy, but privacy is not guaranteed. To access ASMS, a customer must utilize log-in and user ID codes. It is the customer's responsibility to protect the log-in and user ID codes. The customer shall indemnify and hold the Company harmless from any and all liability or claim of loss or damage directly or indirectly arising out of or caused by, in whole or substantial part, the customer's use or misuse of, or failure to protect, the log-in and/or user ID. The Company reserves the right to temporarily restrict users from accessing ASMS if unauthorized usage is suspected. This reservation, however, does not diminish the customer's responsibilities set forth in this paragraph. 7. ASMS Availability ASMS System Features (front end functions), described in B. preceding, are designed to be available 24 hours per day, seven days per week. ASMS Services, described in C. preceding, will be generated by existing host systems which have historically been designed with varying availability profiles. Subject to the limitations of host system architecture, ASMS Services will be made available to the customer to the maximum extent practicable. The availability of both ASMS System Features and ASMS Services is subject to service affecting conditions and Company scheduled hours of maintenance downtime. 8. Allowance for Interruptions a. When ASMS service is interrupted due to a failure or malfunction in any of its components, subscribed services may be unavailable and a prorated adjustment of the monthly subscription charges will be allowed in accordance with the regulations specified in this guidebook. An interruption period starts when an inoperative service is reported to the Company and ends when the service is operative. The credit adjustment is based on b. and c. following. b. No credit shall be allowed for an interruption of less than 24 hours. The customer shall be credited for an interruption of 24 hours or more at a prorated amount of the monthly charges for the unavailable service/feature for each 24 hour period, or major fraction thereof, that the interruption continues. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

12 PART 20 - Grandfathered Services Original Sheet 12 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) D. Regulations (cont d) 8. Allowance for Interruptions (cont d) c. No allowances will be granted for interruptions required to perform preventive or routine maintenance, or when service is temporarily restricted due to service affecting conditions. Scheduled maintenance downtimes will be determined by the Company. No allowances will be granted to perform software or hardware updates when the customer is notified at least 24 hours prior to such occurrences. 9. Liability of the Company The liability of the Company is described in Part 2, Section Definition of a Business Day Business day hours are defined as Monday through Friday, 7:00 a.m. to 6:00 p.m. All day Christmas Day (December 25), New Year s Day (January 1), Independence Day (July 4), Labor Day, and Thanksgiving Day, or the resultant legal holiday, will be considered non-business day hours. E. Rates and Charges 1. Method of determining usage charges: a. Connect Time charges are determined using Steps 1. through 3. following: 1. Obtain total minutes accumulated over the billing period for each rating period and round up to the nearest minute 2. Divide the total number of minutes by 60 and round to two decimal places (chargeable hours). 3. Multiply the chargeable hours determined in Step 2. by the hourly rate. b. When ASMS chargeable usage time begins in one rate period and ends in another, the usage charge will be compiled in two parts. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

13 PART 20 - Grandfathered Services Original Sheet 13 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) E. Rates and Charges (cont d) 2. The following rates and charges are in addition to the rate and charges for any other services to furnish a communications system. a. ASMS System Features ASMS System Feature charges are applicable to all ASMS subscribers except as noted. 1. System Establishment Per customer /SESPS/ $2, Per circuit via Company-defined loading procedure /SESPL/.50 Per circuit via customer-defined loading procedure /SESPD/ Service Subscription Per Mo. Contract Period Month-to-Month I.N.C. 12 Mo. 36 Mo. 60 Mo. Continuation Per customer /MB5XX/ $ $ $ $ Private Line Connection (Optional) Per port, per private line connection /MD6/ Connect Time Charges for Trouble Reporting, Measurement Reporting, Testing Service and Performance Monitoring Business day, per hour Other than business day, per hour Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

14 PART 20 - Grandfathered Services Original Sheet 14 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) E. Rates and Charges (cont d) 2. (cont d) b. Trouble Reporting Basic Trouble Reporting Per Mo. Contract Period Month-to-Month I.N.C. 12 Mo. 36 Mo. 60 Mo. Continuation Connect Time charges specified in a.4. preceding are applicable c. Measurement Reporting* Service Subscription Per customer, per standard measurement report, per central office /RCQXX/ $ $75.00 $71.25 $67.70 $78.75 Per customer, per non-standard measurement report, per central office /TSMXX/ 2, d. Testing Services* 1. Service Subscription Per customer /TTWXX/ Transaction Business day hour Per non-engineered circuit test Other than business day hour Per non-engineered circuit test e. Performance Monitoring 1. Switch Performance Reports* Service Subscription Per customer, per central office, per scheduled "Line/Trunk Out of Service" report /PEZSX/ Switch Performance Monitoring* Service Subscription, alarm and alert data, per customer, per central office Per customer, per central office, per scheduled "Line/Trunk Out of Service" report /PMZAX/ * Connect Time charges specified in E.2.a.4. preceding page are applicable. Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

15 PART 20 - Grandfathered Services Original Sheet 15 AMERITECH SERVICE MANAGEMENT SYSTEM (cont d) E. Rates and Charges (cont d) 2. (cont d) f. Other Charges 1. Additional and Subsequent Training If a customer requests additional training beyond what is considered standard, or if the customer requests additional training subsequent to the initial installation, the following charge is applicable. The training will be held at an agreed upon location and the customer is responsible for all expenses associated with travel to and from the training location. I.N.C. Per hour, per session (up to 10 people) /TGEMT/ $ Subsequent Data Base Load The following charges are applicable each time either an additional customer location is added to or a new authorized customer group code is associated with an agent in the ASMS data base: Per existing line/circuit loaded via Company-defined loading procedure /FN6S1/ Per existing line/circuit loaded via customer-defined loading procedure /FN6S2/ Ameritech Service Management System (ASMS) will not be provided to new customers on or after June 1, Customers having this service may continue such service from their present location(s). In the event service at any location is terminated for the customer, such service will not be reestablished.

16 PART 20 - Grandfathered Services 8th Revised Sheet 16 LOBBY INTERPHONE SERVICE FOR MULTIPLE APARTMENT BUILDINGS Push Button Type Service A. Regulations 1. This service provides for the origination of telephone calls from a building lobby to apartment telephones through the use of lobby telephones equipped with push-buttons. The lobby interphone system can process only one call at a time. 2. Lobby interphone service can be associated with only one exchange line in a tenant's apartment. Each apartment telephone connected to the service is arranged to pick up and hold one central office line and one lobby interphone line and is furnished with a lobby door unlocking feature. The service provides a distinctive ring for each type of incoming call, central office or lobby interphone, when the tenant's line is not in use. A tone signal indicates to the tenant when a lobby interphone call is waiting if his line is in use on an exchange call or vice versa. 3. Where tenants do not have residence service or have residence service, but prefer that their lobby door answering service not be associated with their residence service, lobby door answering service to a tenant may be provided through the use of a Type 2001 Channel, as specified in Part 15, Section One lobby interphone system with a maximum of three digits and without apartment number correspondence may serve several buildings when: - all buildings are served by the central office where the common equipment is located. - the lobby telephone provides communication only to apartments served by that lobby. 5. The building is responsible for all Lobby Interphone Service furnished except the auxiliary apartment door answering service. B. Rates and Charges I.N.C. Per Mo. Lobby interphone service with lobby door unlocking features with hold and call waiting tone signal and with, or without, auxiliary apartment door answering service 1. Common equipment for a calling system of up to three digits and without apartment number correspondence with a capacity of four lobby telephones /AXT/ $1, $111.46* Additional common equipment for five to eight lobby telephones /AXW/ * 2. Apartment connection, one for each apartment /AZT/ * (I) * Minimum contract period is three years. This equipment will not be provided to new customers on and after April 16, Service will be provided to new customers when the customer order has been placed on or before April 15, 1981, and the equipment is placed in service by October 15, Customers having this equipment may retain it at their present address. ATT TN IL Effective: July 2, 2018

17 PART 20 - Grandfathered Services Original Sheet 17 HOTEL SERVICE /1/ A. General 1. Hotel Service is a P.B.X. type service furnished to hotels (including marinas and motels), apartment houses, clubs having sleeping rooms for members and guests, and hospitals. The service is for the use of the customer's guests, tenants, patrons, members or patients and for use of the customer in the administration of his business. 2. Hotel Service is furnished on a Hotel Trunk basis. In lieu of Hotel Trunks, customers may subscribe to any other type of business P.B.X. trunk service offered in their exchange, as shown in Part 4, Section Stations of the hotel system located in rooms of guests, tenants, patrons, members, patients and operating quarters of the customer may be used for originating and receiving calls over the telecommunications network. 4. Stations of the hotel system located in stores, shops and other businesses in the same premises may be used only for intercommunication with other stations of the system. Such stores, shops and other businesses must subscribe to their own telephone exchange service for originating and receiving calls over the telecommunications network. Stations of the hotel system are not subject to mileage charges. 5. Types 2001A and 2001B channels to the premises of other customers outside the hotel (apartment house, club or hospital) may be furnished for use of the hotel customer in the administration of the customer's business. B. Rates 1. Network access line charges for P.B.X. trunks as described in Part 4, Section 2, are applicable. 2. Each customer dialed call within the flat rate calling area for Local Area Service, as specified in Part 4, Section 2. /1/ Hotel Service may continue to be provided to present Hotel Service customers in MSAs 3 and 6 served by non-conforming offices, until such time as their serving central office has been upgraded. As facilities become available these customers will be converted to the standard rate structure and Hotel Service will be discontinued. Rating will be as follows: - Network access line charges for P.B.X. trunks as described in B.1 preceding are applicable. - Each customer dialed call within the Local Flat Rate Calling Area, is rated at one message unit, untimed. Discount period rates do not apply. Untimed calls will be charged according to the rate specified in B.2 preceding. Effective services rendered on and after the first day of billing periods beginning on and after July 1, 1990.

18 PART 20 - Grandfathered Services Original Sheet 18 MESSAGE REGISTER SERVICE A. Description Message register service provides the signals necessary to step usage registers located at the customer's premises and is provided only where equipment and facilities permit. The following rates and charges are in addition to the applicable rates and charges for the P.B.X. trunks and all other guidebook services. B. Rates and Charges I.N.C. Per Mo. 1. For each customer central office P.B.X. trunk group arranged identically for message registers /7AH/ $ $ For each central office P.B.X. trunk so equipped /M1Z/ Where an inter-s.a. channel is necessary the mileage rate is applicable for each central office trunk equipped with message register service as follows: Signal Channel Central Office Trunk As specified for Type 1001A Channel Service As specified for Foreign Central Office, Foreign District or Foreign Exchange Service, whichever is appropriate Message Register Service will not be provided to new customers in MSA 1 on and after March 4, Customers of record on March 4, 1987, may continue their present service at their present address in MSA 1. In the event this service is discontinued for any reason, Message Register Service will not be reestablished. Message Register Service will not be provided to new customers in MSAs 2, 3, 6, 7, 9 and 15 on and after July 1, 1990 Customers of record on July 1, l990, may continue their present service at their present addresses. In the event this service is discontinued for any reason, Message Register Service will not be reestablished.

19 PART 20 - Grandfathered Services Original Sheet 19 ENSEMBLE Effective September 1, 2011, no further installations, Term Payment Plan renewals, moves, rearrangements, or changes of any type may be made to Ensemble Service. Customers of record on September 1, 2011 may continue their service as long as such service remains at the location at which it was being furnished on the aforementioned date. In the event that these services are discontinued at their present location for any reason, they will not be reestablished. The Company will not impose termination liability to those customers discontinuing service. The preceding supersedes all of the rules and regulations that follow. A. Description ENSEMBLE service will provide customers access to end users through an integrated hub in specific LATAs. ENSEMBLE is comprised of specific directory numbers and the Switched Redirect Network; a dedicated network of data optimized high usage one-way trunk groups to a centralized dedicated hub central office. ENSEMBLE customers can offer their end users, specific local directory numbers, which are routed over the Switched Redirect Network (SRN), to the centralized dedicated hub. The ENSEMBLE customers will then receive their end users hubbed traffic via existing ISDN Prime Service. B. Definitions Query Access A specific directory number (DN) which in concert with the SRN recognizes calls placed to the DN and routes them over the SRN. Switched Redirect Network (SRN) An overlay network of data optimized high usage one-way trunk groups utilizing Intelligent Network (AIN) capabilities which link end offices in a selected LATA to a centralized dedicated hub central office. C. Terms and Conditions In addition to regulations set forth elsewhere in this guidebook, the following terms and conditions apply to ENSEMBLE: 1. Service is available in the following selected LATAs: Chicago LATA Hub Location at CHCGILFRDS6 2. Prime ISDN Service is necessary to retrieve the hubbed traffic. 3. ENSEMBLE is available only where facilities are available and properly provisioned. 4. ENSEMBLE will pass normal ANI information. 5. The minimum service period for ENSEMBLE is 36 months, with the exception of the Additional Query/Access rate element.

20 PART 20 - Grandfathered Services Original Sheet 20 ENSEMBLE (cont d) D. Features 1. Standard Features E. Prices Installation Charge Installation charge per ISDN Prime trunk group, per order. Query Access to Integrated Hub, Initial Ability for end users to dial a local directory number which in concert with the SRN creates a query for routing instructions. This feature applies to the initial customer request for establishment of query numbers. Query Access to Integrated Hub, Additional Ability for end users to dial a local directory number which in concert with the SRN creates a query for routing instructions. This feature applies to subsequent requests for establishment of query numbers. Transport to Integrated Hub Transport from the originating end offices, where access occurs, to the integrated hub location over the SRN, per ISDN Prime equivalent capacity. 1. Services Elements Monthly Payment Term Payment Plans Description Nonrecurring Monthly /Billing Code/ Charge Monthly 36 Mo. 60 Mo. Extension Query/Access to Integrated Hub, Initial /NRD1X/ $ $.25 $.25 $.32 Additional /NRDAX/ Transport to Integrated Hub, per ISDN Prime Equivalent capacity /PT3NA/ Installation Charge, per Prime Trunk Group, per order/1crna/ Other Applicable Charges and Payments References: Service Reference ISDN Prime Service Part 17, Section 2

21 PART 20 - Grandfathered Services Original Sheet 21 ENSEMBLE (cont d) E. Prices (cont d) 3. Payment Plans Term Payment Plans ENSEMBLE service is available under the Term Payment Plan (TPP) whereby customers may elect to pay a fixed price for a 36 or 60-month period. After the selected TPP is satisfied, the monthly extension price will apply unless a new TPP is selected. Month-to-Month Month-to-month rates are available for Query Access to Integrated Hub, Additional. Single Payment Option (SPO) The monthly recurring price may be prepaid for periods that coincide with any term payment plan. The prepayment charges in no way constitute a purchase and the Company retains ownership of all equipment covered by prepayment. The following conditions apply: - Customers who prepay will have an allowance applied. The allowance will be based on the number of months of the prepayment period. The prepayment amount (principal) is the total outstanding recurring charges less the payment allowance. The prepayment will be adjusted for the time value of money. Recurring charges will cease for the rest of the term and start up again at the end of the contract period if services have not been disconnected. If prepayment has been elected and the service is discontinued prior to the end of the contract period, a credit for the unused portion of the contract period, adjusted for the time value of money, will be given to the customer. - Customers who prematurely disconnect the service will have termination charges deducted from the prepayment amount and any balances credited to their bill. 4. Termination Charges Termination liability will apply to ENSEMBLE service disconnected prior to the expiration of the contracted Term Payment Plan period. The charge will be calculated from the remaining fixed monthly recurring charges or any minimum billing guarantees that would have been incurred by the customer if the service had been in service for the entire contract period. 5. Credit Allowance Credit allowances will be granted when service is interrupted due to Company failure. The credit allowance will be based upon the ratio of the duration of the service interruption measured from the time the interruption is reported to or detected by the Company, whichever occurs first, and expressed in multiples of 30 minutes to the total time in a 30-day month. That ratio, multiplied by the monthly charge for the service affected, shall determine the amount of the credit allowance. No other liability shall attach to the Company in consideration of such interruption to service.

22 PART 20 - Grandfathered Services Original Sheet 22 ENSEMBLE (cont'd) E. Prices (cont d) 6. Changes With the written permission of the Company, consistent with other regulations of this guidebook, the obligation to pay the TPP charges may be assumed by another customer, if the service has not been terminated, and if the other customer intends to continue using the service at the present location and actually continues such use. Such assumption of service does not relieve or discharge the original customer from remaining jointly or severally liable with the transferee for any and all obligations existing at the time of the transfer. During a customer s TPP term, conversion may be made to a new TPP period of the same or different length, if the expiration date for the new service or TPP period is the same as or greater than the original TPP period. The new TPP becomes effective upon execution. In all situations described in this paragraph 6. the customer incurs no liability for the remaining months of the original TPP, since the change is not considered a termination of service. Changes to ENSEMBLE service will create a subsequent change charge as reflected in the ISDN Prime Service offering.

23 PART 20 - Grandfathered Services Original Sheet 23 EMERGENCY REPORTING SERVICES Rates and Charges 1. Large System Associated with Centrex, Airport Telephone and Combination Administrative and Dormitory Services, 480 Station Capacity First Dispatch Station Includes alternate control line, monitor and test line and recording announcement machine I.N.C. Per Mo. Multigroup System - Includes one group (Maximum 8 groups) /QBS/ Termination Charge $2, /1/ $1, $ Each additional group /QBT/ Second and Third Dispatch Stations - Includes alternate control line, monitor and test line and recording announcement machine, each station /QBU/ Alerted stations, each station /QBV/ In connection with P.B.X. service, Type 2001A Channel charges apply to Dispatch Stations, where applicable, as provided for in this guidebook. 2. Type 2001 Channel System a. Automatic signaling, multi-station channel (maximum 10 stations) 1. Common control equipment in central office /99V/ Multi-station units in central office, each main station /GES/ Optional continuous test and alarm arrangement - Common control equipment in central office /FFY/ station equipped, each /FFX/ b. A separate Type 2001 channel is required from the central office to each main station. Termination may be in a separate telephone instrument or multi-button station equipment. Regular service charges and monthly rates are applicable to the Type 2001 channels, telephone instruments and key and button telephone services. /1/ Reduces by 1/60 for each month in service

24 PART 20 - Grandfathered Services Original Sheet 24 EMERGENCY REPORTING SERVICES FOR MUNICIPALITIES A. General 1. In the interest of public safety, the Company will make available to municipalities telephone channels and facilities for a public reporting system which will permit direct conversation between telephones on city streets or in other locations accessible to the public and telephones generally located at fire and police headquarters for the purpose of transmitting reports of fires and requests for police assistance. 2. The Company will furnish all lines and equipment required for such a reporting system, consisting generally of reporting telephones at locations designated by the municipality connected by lines to switchboard or current recording positions located in the municipal, fire or police headquarters. The municipality will furnish suitable mounting space for the reporting telephones and provide any conduit required between such telephones and the point of connection with the facilities of the Company. 3. Other reporting arrangements may be furnished to municipalities by means of equipment located in the central office through which a telephone at an emergency reporting location may make announcements to several exchange lines simultaneously. Type I permits a special control station located at an emergency reporting location to signal a particular group of individual line service telephones and give an announcement to the person who answer on these lines. Type II permits firemen upon hearing an alarm in a dial exchange to call a telephone at an emergency reporting location and be connected simultaneously to receive an announcement. See "Note" under Rates for this type. Type III permits up to 13 incoming central office lines to be simultaneously connected to one or more (maximum 10) emergency reporting stations. The number of reporting stations determines the number of possible exchange line connections. An alarm circuit is provided in the central office to indicate a receiver off hook at any one of the reporting stations. This type also permits the operation of up to four remotely located siren controls. 4. All operating on the customer s premises will be performed by the customer. Suitable commercial power, including, outlets, which may be required for the operation of the service shall be furnished by the customer.

25 PART 20 - Grandfathered Services Original Sheet 25 EMERGENCY REPORTING SERVICES FOR MUNICIPALITIES (cont d) B. Rates and Charges 1. Public Reporting System I.N.C. Per Mo. a. Central office trunk equipment - Common equipment for 10 trunks /PMQ/ $28.11 $ Other Reporting Arrangements a. Type I - Group Alerting Systems Line Capacity - Per Central Office (a) Central Office Equipment (i) Primary Alerting Arrangement - Common equipment including line equipment for 10 lines and continuous test feature for initial control station /2RF/ Continuous test feature for additional control stations, per station /BWJ/ Additional line equipment, per fine /6EH/ Amplifier equipment (capacity 60 lines) One required in each central office where more than 20 lines are connected, each /PN2/ (b) Control Stations - Type 2001 channel connecting Control Stations and Central Office Equipment, each Quoted in Part 15, Section 2 (c) Emergency Announcement Signal - Imposes a warning tone of about 6 seconds duration on the line of an alerted station of the system when an alarm message is being transmitted and the station is busy on a regular telephone call - Common Equipment /56V/ - Line Equipment, per station /56Y/ (d) Automatic Announcement Arrangement - Announcement equipment and associated timing facilities /EEQ/

26 PART 20 - Grandfathered Services Original Sheet 26 EMERGENCY REPORTING SERVICES FOR MUNICIPALITIES (cont d) B. Rates and Charges (cont d) 2. Other Reporting Arrangements (cont d) a. Type I - Group Alerting Systems (cont d) line capacity I.N.C. Per Mo. (a) Common Equipment (i) Multigroup System - Including One Group - First Group In Controlling Central Office (Maximum of 8 Groups) /2XD/ Termination Charge - $2, /1/ In Subordinate Central Office (Maximum of 4 Groups) /2WD/ Termination Charge - $2, /1/ - Each Additional Group /6EF/ Termination Charge - $ /1/ (ii) Each Exchange Station to be Alerted /BWZ/ (iii) Type 2001 channel charges are applicable for the channels between each dispatch station and the controlling central office and between the controlling central office and each subordinate central office. /1/ Reduces 1/60th for each month in service.

27 PART 20 - Grandfathered Services Original Sheet 27 EMERGENCY REPORTING SERVICES FOR MUNICIPALITIES (cont d) B. Rates and Charges (cont d) 2. Other Reporting Arrangements (cont d) I.N.C. Per Mo. b. Type II /1/ Central Office Equipment - 5 line capacity /PN5/ - $ line capacity /PN6/ c. Type III 1. Central Office Equipment /PN8/ $ Siren Control (Maximum of 4 sirens) - Control relays, per siren /56F/ Channel (including keys), per siren /PN9/ - 3. Emergency Reporting Stations /2/ - The initial reporting station is furnished at the regular 1-party business line rate. Additional stations are furnished at the rate for a business extension, plus Type 2001A channel charges as specified in Part 15, Section 2 - Service charges are applicable to reporting stations /1/ The furnishing of Type II Emergency Reporting Service is discontinued after May 21, Customers having this service on that date may retain it at the rates shown. /2/ Service charges per termination are as specified for private lines (Type 2001 channels) in Part 3, Section 1.