33.040.35 Telefonu tīkli

Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol Message Waiting Indication supplementary service

Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol PINX clock synchronization

Information technology Telecommunications and information exchange between systems Private Integrated Services Network Specification, functional model and information flows Common information additional network feature

Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol Common Information additional network feature

Information technology Telecommunications and information exchange between systems Broadband Private Integrated Services Network Inter-exchange signalling protocol Transit counter additional network feature

Information technology Telecommunications and information exchange between systems Broadband Private Integrated Services Network Service description Broadband connection oriented bearer services

Information technology Telecommunications and information exchange between systems Private Integrated Services Network Specification, functional model and information flows Call Priority Interruption and Call Priority Interruption Protection supplementary services

Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol Call Priority Interruption and Call Priority Interruption Protection supplementary services

Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the employment of a circuit mode basic service and the supplementary service user-to-user signalling as a pair of on-demand inter-PINX connections

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

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 8 kbit/s sub-multiplexing

Information technology Telecommunications and information exchange between systems Corporate telecommunication networks Signalling interworking between QSIG and SIP Basic services