Subject: Time: 8:52 AM

OFFICE MEMO ICC subcommittee mtg questions Date: 2/26/97

Please find below answers to questions from the ICC subcommittee regarding the LNP implementation on DMS-500;

1) DMS-500 LNP capability will be available in 2 phases.

Ph.1 LNP (Local)

Release: NCS06 (Order Code: LLD0B006)

VO Date: July 11, 97 (Wk. 28/97)

GA Date: Sept.12, 97 (Wk. 37/97)

Ph.2 LNP (Local, Long Distance, TOPS)

Release: NCS07 (Order Code: LLT0B007)

VO Date: Oct.10, 97 (Wk. 41/97)

GA Date: Dec.12, 97 (Wk. 50/97)

2) The 10 digit unconditional trigger will be supported on DMS-500 at

the dates given above.

3) All the LNP commands, logs, OMs supported on DMS-100 and the DMS-250 will be supported on the DMS-500. There is no new DMS-500 specific LNP commands, logs, OMs etc. Judith Lane (Nortel) will provide a list of commands, logs and OMs required for LNP on DMS-250.

Should have any questions, or require additional information, please do

not hesitate to contact me, at (972)684-0846.

Regards,

Tom Biray

Mgr., Prod. Mktg.

DMS-500