ISO/IEC 13872:1995

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

OVERVIEW

Specifies the supplementary services Call Forwarding Unconditional (CFU), Call Forwarding Busy (CFB), Call Forwarding No Reply (CFNR) and Call Deflection (CD), which are applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services are specified in ISO/IEC 11574.

COMMENTS

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PRODUCT DETAILS

Status Withdrawn - 06 Jan 2026
Edition 1995
No. of Pages 80
ICS Classification 33.040.35 Telephone networks
Committee ISO/IEC JTC 1/SC 6
Available for Purchase For sale in Singapore only
Adoption ISO