1. Customer Billing Education Package Application of the Channel Termination USOC

2. Interconnection Services Issue 1, Date 9/2003 2 Channel Termination Explanation The Channel Termination rate element is associated with the Local Channel or local loop, which goes from a customer premise to a BellSouth Central office. Tariff resources: FCC #1, Section 7.1.2. (A), page 7-4: Local Channel definition FCC #1, Section 7.2.9. (A), page 7-49: 1 st paragraph, last sentence High Capacity channels are provided between customer-designated premise or between a customer-designated premise and a Telephone Company Hub.

3. Interconnection Services Issue 1, Date 9/2003 3 Special Access DS1 Riding a LightGate® Service DS3, diagram CKL-3 CKL-1 CKLT-2 CFA 8003 T3Z 8 CARYNCCE CARYNCXXXXX USOC – 1PQE1 DS1 Local Channel (loop), no CFA associated with this end. USOC - TMECS 1PQE1- Feature activation, central office channel interface, per DS1, associated with activation on a LightGate 1, 2, 3, or 4 System TMECS- Channel terminations per point of termination, 1.544 MBPS *** Explanation of a Chan Term charge riding a channelized (muxed) DS3. The Chan Term charge applies to the Special Access DS1 circuit.

4. Interconnection Services Issue 1, Date 9/2003 4 919 N13 xxxx xxx *CSR* *LIVE* CLS 26.HCGS.xxxxxx..SB XXX 1 ---S&F SVCDTE:QTY :CODE : DESCRIPTION AMOUNT :ACTDTE 930505 CLS 26.HCGS.xxxxxx..SB/NC HCD-/CKR 021012 xxxxxxxxxxxx/PIU 100/TAX B,C 980625 1 XDH1X /SED 06-25-98 980625 980625 CKL 1-401 N ACADEMY ST, CARY, NC/LSO 980625 919 467/NCI 04QB6.33.--/POI CARYNCCEWA4/CFA 8003 T3Z 8 CARYNCCE CARYNCxxxxx/ACTL 10/TAR 070,887 980625 1 HTN /SED 06-25-98 980625 980625 CKLT 2-CARYNCCE/TAR 070,887 980625 930505 1 1PQE1 /RLFS Y/MSAI RDN/SED 05-05-93 021012 /SPP TPP1/TA 96, 11-01-01/RD 10-31-01 INTER NC - EC 5193 { 1 X 6.00 } 6.00 980625 CKL 3-11000 WESTON PKWY, CARY, NC/LSO 980625 919 677/NCI 04DU9.1KN.--/SN END USER NAME/LOC FLR 1;DES FL1 TEL/TAR 070,887 980625 1 TMECS /RZN 3/RLFS Y/MSAI RDN 011101 SED 06-25-98 /RMK TERM IN EXISTING RJ48C JACK INTER NC - EC 5193 { 1 X 180.00 } 180.00 980625 3 1L5XX /RZN 3/RLFS Y/MSAI RDN, RDN 011101 /SED 06-25-98 INTER NC - EC 5193 { 96.00 +( 21.40 X 3) } 160.20 980625 24 S25EX /SED 06-25-98/EXR 4 980625 INTERSTATE SUBTOTAL 346.20 INTRASTATE SUBTOTAL 0.00 LOCAL SUBTOTAL 0.00 CIRCUIT SUBTOTAL 346.20 Special Access DS1 Riding a LightGate® Service DS3, CSR

5. Interconnection Services Issue 1, Date 9/2003 5 Special Access Point to Point DS1 Riding a LightGate Service DS3, With 2 1PQE1s diagram *** Point to Point DS1, and both ends of the circuit rides channelized (muxed) DS3s. The 1PQE1 (COCI) charge applies twice, on both ends of the circuit, and will bill on the Special Access DS1 circuit. CKL-3 CKL-1 CKLT-2 CFA 813 T3Z 3 NSVLTNMT NSVLTNxxxxx USOC – 1PQE1 CFA 801 T3Z 27 NSVLTNMT NSVLTNxxxxx USOC – 1PQE1 1PQE1- Feature activation, central office channel interface, per DS1, associated with activation on a LightGate 1, 2, 3, or 4 System; also referred to as a COCI

6. Interconnection Services Issue 1, Date 9/2003 6 Special Access DS1 Riding a LightGate Service DS3, CSR (Example of 2 DS1 COCIs ) 615 N19 xxxx xxx *CSR* *LIVE* CLS T4.HCGS.xxxxxx..SC XXX 1 B04 UP NHVL ---S&F SVCDTE:QTY :CODE : DESCRIPTION AMOUNT :ACTDTE 001106 CLS T4.HCGS.xxxxxx..SC/NC HCE-/CKR 011101 xxxxxxx/PIU 100/TAX B,C,D,E,H,J,K 001106 1 HFQC6 /SED 11-06-00 010117 010117 CKL 1-340 HERRON DR, NASHVILLE, TN/LSO 010117 615 254/NCI 04DS6.44/CFA 813 T3Z 3 NSVLTNMT NSVLTNxxxxx/ZNEA/HBAN 615 N19-xxxx/ACTL 10/TAR 091,701 001106 1 HTN /SED 11-06-00 010117 010117 CKLT 2-NSVLTNMT/TAR 091,701 010117 001106 1 1PQE1 /RLFS Y/MSAI NDT/SED 11-06-00 011101 /SPP TPP1/TA 96, 11-06-00/RD 05-23-02 INTER TN - EC 5185 { 1 X 6.00 } 6.00 010117 CKLT 3-NSVLTNMT/TAR 091,701 010117 001106 1 1PQE1 /RLFS Y/MSAI NDT/SED 11-06-00 011101 /SPP TPP1/TA 96, 11-06-00/RD 05-23-02 INTER TN - EC 5185 { 1 X 6.00 } 6.00 010117 CKL 4-49 MUSIC SQUARE W, NASHVILLE, TN 010117 /LSO 615 320/SN PIEDMONT NATURAL GAS/NCI 04DU9.1SN/CFA 801 T3Z 27 NSVLTNMT NSVLTNxxxxx/HBAN 615 N19- xxxx/TAR 091,701 001106 1 CCOEF /SED 11-06-00 010117 001106 24 S25EX /SED 11-06-00/EXR 5 010117 INTERSTATE SUBTOTAL 12.00 INTRASTATE SUBTOTAL 0.00 LOCAL SUBTOTAL 0.00 CIRCUIT SUBTOTAL 12.00

7. Interconnection Services Issue 1, Date 9/2003 7 Special Access DS1 Riding a SMARTRing® Service, diagram *** Explanation of a Chan Term charge riding a channelized (muxed) DS3. The Chan Term charge applies to the Special Access DS1 circuit. SHNCA- SMARTRing Service (a.k.a. BellSouth SPA Dedicated Ring), Central Office Channel Interface, per DS1 on 28 DS1 Channel System, DS3 TMECS- Channel terminations per point of termination, 1.544 MBPS CKL-3 CKL-1 SR Cust Node CKLT-2 SR CO Node CFA 4003 T3Z 17 ATLNGAXXXXX DLTHGAHSK11 USOC – SHNCA DS1 Local Channel (loop), no CFA associated with this end. USOC - TMECS

8. Interconnection Services Issue 1, Date 9/2003 8 770 N01 xxxx xxx *CSR* *LIVE* CLS 38.HCGS.xxxxxx..SB XXX 1 ---S&F SVCDTE:QTY :CODE : DESCRIPTION AMOUNT :ACTDTE 010920 CLS 38.HCGS.xxxxxx..SB/NC HCE-/CKR 34. 020930 ATLN.101317.US/SNID NGxxxG/SSP/PIU 100/TAX B,C 010920 1 XDH1X /SED 09-20-01 020411 020411 CKL 1-2 CONCOURSE PKWY NE, ATL, GA/LSO 020411 770 391/ZNEA/NCI 04DS6.44/CFA 4003 T3Z 17 ATLNGADZAMD DLTHGAHSK11/ACTL 2/TAR 000,701 010920 1 HTN /SED 09-20-01 020411 020411 CKLT 2-DLTHGAHS/TAR 019,704 020411 020930 1 SHNCA /RLFS Y/MSAI ATL/SED 09-30-02 020930 /SPP TPP1/TA 72, 09-20-01/RD 12-06- 02 INTER GA - EC 5192 { 1 X 7.00 } 7.00 020411 CKL 3-7250 MC*GINNIS FERRY RD, SUWANEE, 020411 GA/LSO 770 476/NCI 04DU9.1SN/SN GE HITACHI HVB INC/TAR 000,858 010920 1 TMECS /RZN 3/RLFS Y/MSAI ATL 020411 /SED 09-20-01 INTER GA - EC 5192 { 1 X 180.00 } 180.00 010920 0 1L5XX /RZN 3/SED 09-20-01 020411 010920 1 CCOEF /SED 09-20-01 020411 010920 1 RJ48C /SED 09-20-01 020411 010920 24 S25EX /SED 09-20-01/EXR 4 020411 INTERSTATE SUBTOTAL 187.00 INTRASTATE SUBTOTAL 0.00 LOCAL SUBTOTAL 0.00 CIRCUIT SUBTOTAL 187.00 Special Access DS1 Riding a SMARTRing® Service, CSR