DS/ETS 300427
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol Supplementary service interactions
| Organization: | DS |
| Publication Date: | 18 February 1997 |
| Status: | active |
| ICS Code (Telephone networks): | 33.040.35 |
scope:
This European Telecommunication Standard (ETS) specifies the additional signalling protocol requirements for the support of interactions between supplementary services at the Q reference point between Private Telecommunication Network Exchanges (PTNXs) connected together within a Private Telecommunication Network (PTN). The Q reference point is defined in ISO/IEC 11579-1. Service specifications are produced in three stages and according to the method specified in ETS 300 387.
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