M00044596
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INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ISDN USER PART (ISUP) VERSION 3 FOR THE INTERNATIONAL INTERFACE - PART 16: CALL HOLD (HOLD) SUPPLEMENTARY SERVICE
European Telecommunications Standards Institute
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Availability date: 11/06/2021
Defines the stage three of the Call Hold (HOLD) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by the European public telecommunications operators by means of the Signalling System No.7 protocol for the ISDN User Part (ISUP).
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | SPAN 1 |
Supersedes |
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