NEN-ISO/IEC 13869
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Call transfer supplementary service
| Organization: | NEN |
| Publication Date: | 1 January 1996 |
| Status: | inactive |
| Page Count: | 72 |
| ICS Code (Networking): | 35.110 |
scope:
Specifies the signalling protocol for the support of the Call Transfer supplementary service (SS-CT) at the Q reference point between Private Integrated Network Services Exchanges (PINXs) connected together within a Private Integrated Services Network (PISN). SS-CT is a supplementary service which enables a User to transform two of that User's calls (at least one of which must be answered) into a new call between the two other users in the two calls.
Document History