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ETSI EN 301 039
- Private Integrated Services Network (PISN); Mapping functions for the employment of 64 kbit/s circuit mode connections with 16 kbit/s sub-multiplexing
- standard by European Telecommunications Standards Institute, 12/01/1997
- Publisher: ETSI
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This standard defines the mapping functions in exchanges of Private Integrated Services Networks (PISNs) required for the utilisation of scenarios in which 64 kbit/s circuit mode connections are sub-multiplexed into 4 x 64 kbit/s channels for carrying inter-PINX signalling and user information.