ISO IEC 17310:2000 pdf download – Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Mapping functions for the employment of 64 kbit/s circuit mode connections with 16 kbit/s sub-multiplexing. 1 Scope This International Standard defines the mapping functions in exchanges of Private Integrated Services Networks (PISNs) required for the utilization of scenarios in which 64 kbit/s circuit mode connections are sub-multiplexed into 4 x 16 kbit/s channels for carrying inter-PINX signalling and user information. NOTE 1 – This International Standard has been prepared to meet the specific needs of an application for a...