ECMA 203-1994
Private Telecommunication Networks (PTN) - Inter-Exchange Signalling Protocol - Call Intrusion Supplementary Service (QSIG-CI)

Standard No.

ECMA 203-1994

Release Date

1994

Published By

ECMA - European Association for Standardizing Information and Communication Systems

Status

Be replaced 2003-05

Replace By

ECMA 203-1997

Latest

ECMA 203-2001

ECMA 203-1994 history

• 2001 ECMA 203-2001 Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Intrusion Supplementary Service (4th Edition)
• 1997 ECMA 203-1997 Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Intrusion Supplementary Service (QSIG-CI) (3rd Edition)
• 1994 ECMA 203-1994 Private Telecommunication Networks (PTN) - Inter-Exchange Signalling Protocol - Call Intrusion Supplementary Service (QSIG-CI)
• 1993 ECMA 203-1993 Private Telecommunication Networks (PTN) - Inter-Exchange Signalling Protocol - Call Intrusion Supplementary Service (QSIG-CI)