ETSI ETS 300 257-1993
Private Telecommunication Network (PTN); Inter-Exchange Signalling Protocol Diversion Supplementary Services

Standard No.

ETSI ETS 300 257-1993

Release Date

1993

Published By

European Telecommunications Standards Institute (ETSI)

Status

Withdraw

Replace By

ETSI ETS 300 257-1995

Latest

ETSI ETS 300 257-1995

ETSI ETS 300 257-1993 history

• 1995 ETSI ETS 300 257-1995 Private Integrated Services Network (PISN); Inter-Exchange Signalling Protocol; Diversion Supplementary Services ISO/IEC 13873 (1995) Modified Second Edition
• 1993 ETSI ETS 300 257-1993 Private Telecommunication Network (PTN); Inter-Exchange Signalling Protocol Diversion Supplementary Services