The following is a look at the schedule for the FCC Field Test.

8/11 Submit LSRs for First port at 9:00 AM CDT

Ameritech, ATT, MCI and SPRINT. Complete.

8/15 First port effective

Ameritech, ATT, MCI and SPRINT. Complete.

8/18 Initiate call through testing

Ameritech, ATT, MCI and SPRINT. In progress.

8/29 TCG load Service Provider Data into NPAC

TCG submit LSRs for their first porting.

9/3 Submit LSRs for second porting

Ameritech, ATT, MCI and SPRINT.

9/5 Complete first port testing

Ameritech, ATT, MCI and SPRINT.

9/8 Second port effective

Ameritech, ATT, MCI and SPRINT. TCG first port effective.

9/9 Initiate call through testing on second port

Ameritech, ATT, MCI and SPRINT. TCG initiate testing on first port.

9/17 Submit LSRs for Disco and Port to Original

Ameritech, ATT, MCI SPRINT and TCG.

9/19 Complete second port testing

Ameritech, ATT, MCI.

9/22 Week of 9/22 is the effective date of Discoís and Portís

to original.

Ameritech, ATT, MCI, SPRINT and TCG.

9/23-9/26 testing of returned phone numbers

Ameritech, ATT, MCI, SPRINT and TCG.

9/29 Commercial availability

10/17 FCC Field Test Report due to FCC

Dick Dowd

FCC Field Test Coordination Manager

LLC/ICC

NPAC Phone 312-382-8090 receiption desk

NPAC Office 312-706-6330 and leave a message

NPAC Fax 312-382-8080

Dial Out Line 312-382-2647

Dallas Phone 972-498-5069

Dallas Fax 972-918-1499 fax

Dallas alternate fax 972-498-5022

Vnet 757-5069

Pager 1-800-PAGEMCI Pin# 1742797

Email Richard Dowd / MCI ID: 258-4443

Internet 0002584443@mci.com

rdowd@mcimail.com