ITU-T-Q.643 Logic Procedures for Interworking of Signalling System No. 5To No. 7 (Tup)

ITU-T-Q.643 - 1988 EDITION - CURRENT



Logic Procedures for Interworking of Signalling System No. 5To No. 7 (Tup)


ORDER



Document Number

ITU-T-Q.643

Revision Level

1988 EDITION

Status

Current

Publication Date

Nov. 1, 1988