NEN-ISO/IEC 14843
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - PISN - Inter-exchange signalling protocol - Call offer supplementary services
| Organization: | NEN |
| Publication Date: | 1 October 1996 |
| Status: | inactive |
| Page Count: | 46 |
| ICS Code (Networking): | 35.110 |
scope:
Specifies the signalling protocol for the support of the Call Offer supplementary service (SS-CO) at the Q reference point between Private Integrated Services Network Exchanges (PINXs) connected together within a Private Integrated Services Network (PISN). SS-CO is a supplementary service which, on request from the calling user (or on that user's behalf), enables a call to be offered to a busy called user and to wait for that called user to accept this call.
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