1. Issue Date: 01/03 1 Service Installation Guarantee Customer Education Billing Package

2. Interconnection Services Issue Date: 01/03 2 Private/Proprietary: Not for Use or Disclosure Outside BellSouth Except Under Written Agreement Purpose To provide customers with an understanding of Service Installation Guarantee (SIG) credits, how they are applied and how they will appear on the customer’s bill FCC Tariff Section 2.4.9

3. Interconnection Services Issue Date: 01/03 3 Private/Proprietary: Not for Use or Disclosure Outside BellSouth Except Under Written Agreement Service Installation Guarantee The failure of BellSouth to meet a service date commitment will result in a credit of an amount equal to the nonrecurring charges associated with the service. The nonrecurring charges will be credited at the rate they were billed. The credit will not be provided if a credit of the same nonrecurring charge for the same service is provided under any other provision.

4. Interconnection Services Issue Date: 01/03 4 Private/Proprietary: Not for Use or Disclosure Outside BellSouth Except Under Written Agreement Intent BellSouth assures that orders for services to which the Service Installation Guarantee (SIG) applies will be installed and available for customer use no later than the confirmed service date.

5. Interconnection Services Issue Date: 01/03 5 Private/Proprietary: Not for Use or Disclosure Outside BellSouth Except Under Written Agreement Applicable Services The services that qualify for Service Installation Guarantee are:  Voice Grade  Program Audio  Wideband Analog  Wideband Data  Digital Data Access  Dry Fiber  High Capacity Service  LightGate Service  SMARTRing® Channel Interfaces  SMARTPath® Service  Virtual Cross Connect Elements – DS1 and DS3

6. Interconnection Services Issue Date: 01/03 6 Private/Proprietary: Not for Use or Disclosure Outside BellSouth Except Under Written Agreement When is Service Installation Guarantee Not Applicable Orders with service date intervals of four (4) business days or less Orders with service dates that have been advanced from the standard or negotiated service interval When the failure is due to:  Any act or omission, including lack of an accurate service order, on the part of the customer  Acts of God, war or other governmental action beyond BellSouth control  Unavailability of customer’s facilities and/or equipment Orders requiring Special Construction SMARTRing® Ring Level Elements Public Packet Switching FlexServ® Service Derived Data Channel Video Services Jointly Provisioned Services Virtual Expanded Interconnection

7. Interconnection Services Issue Date: 01/03 7 Private/Proprietary: Not for Use or Disclosure Outside BellSouth Except Under Written Agreement How Service Installation Guarantee Credits will look on your bill JUL 23 02 SO C1XXXXXX PON 2002XXXX CIRCUIT NUMBER A3.HCGS.XXXXXX..SC PIU 100 BellSouth missed the committed due date for this CIRCUIT LOCATION 0001 installation. There were 2 USOCs on the service that ONE-TIME CHARGE FOR billed non-recurring charges. The applicable non- 1PQE1 1 LIGHTGATE (AKA BELLSOUTH SPA POINT TO recurring charges are then credited back to the POINT NETWORK), C.O. CHANNEL INTERFACES, customer PER DS1 PIU 100 INTERSTATE - AL - EC 5181 170.00 CREDIT FOR SERVICE INSTALLATION GUARANTEE 1PQE1 1 LIGHTGATE (AKA BELLSOUTH SPA POINT TO POINT NETWORK), C.O. CHANNEL INTERFACES, PER DS1 PIU 100 INTERSTATE - AL - EC 5181 ! 170.00CR CIRCUIT LOCATION 0002 PIU 100 FIRST ONE-TIME CHARGE FOR TMECS 1 CHANNEL TERMINATION-PER POINT OF TERMINATION PIU 100 INTERSTATE - AL - EC 5181 660.00 CREDIT FOR SERVICE INSTALLATION GUARANTEE TMECS 1 CHANNEL TERMINATION-PER POINT OF TERMINATION PIU 100 INTERSTATE - AL - EC 5181 ! 660.00CR

8. Interconnection Services Issue Date: 01/03 8 Private/Proprietary: Not for Use or Disclosure Outside BellSouth Except Under Written Agreement Frequently Asked Questions Where can I find SIG information in the tariff? –FCC Tariff 1, Section 2.4.9 BellSouth did not complete my request for DS1 Diverse on the confirmed due date, why was I billed for the non-recurring charges? –DS1 Diverse is one of the services that are exempt from Service Installation Guarantee