ISO/IEC 15991:2003
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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
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21-03-2003
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ISO/IEC 15991:2003 specifies the Supplementary Services Call Priority Interruption (SS-CPI) and Call Priority Interruption Protection (SS-CPIP), which are applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services are specified in ISO/IEC 11574.
NOTE This edition of ISO/IEC 15991 does not apply to the circuit-mode Multiple Rate Bearer Service.
SS-CPI is a supplementary service that allows a call request for a priority call to proceed successfully in the case that there is no user information channel available. This is accomplished by force releasing an established call of lower priority.
SS-CPIP is a supplementary service that allows for the protection of calls against interruption from other, priority, calls.
SS-CPI and SS-CPIP are described separately because SS-CPI is a service used by a calling user, and SS-CPIP is a service used by either a calling user or a called user.
Supplementary service specifications are produced in three stages, according to the method described in ETS 300 387. ISO/IEC 15991:2003 contains the stage 1 and stage 2 specifications of SS-CPI. The stage 1 specification (clause 6) specifies the general feature principles and capabilities. The stage 2 specification (clause 7) identifies the Functional Entities involved in the supplementary service and the information flows between them.
| Committee |
ISO/IEC JTC 1/SC 6
|
| DocumentType |
Standard
|
| Pages |
42
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NEN ISO/IEC 15991 : 2003 | Identical |
| CSA ISO/IEC 15991:04 (R2019) | Identical |
| DIN EN 301655:2004-12 | Identical |
| BS ISO/IEC 15991:1998 | Identical |
| 02/645140 DC : DRAFT MAR 2002 | Identical |
| DIN EN 301655:2004-12 | Corresponds |
| CSA ISO/IEC 15991 :2004 | Identical |
| CSA ISO/IEC 15991 : 2004 : R2014 | Identical |
| ISO/IEC 15992:2003 | 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 |
| CSA ISO/IEC 15992:2004 | 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 |
| BS ISO/IEC 15992:1998 | 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 |
| CSA ISO/IEC 15992 : 2004 : R2014 | 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 |
| ISO/IEC 13866:1995 | Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Call completion supplementary services |
| ISO/IEC 11579-1:1994 | Information technology Telecommunications and information exchange between systems Private integrated services network Part 1: Reference configuration for PISN Exchanges (PINX) |
| ISO/IEC 13865:2003 | Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Call Transfer supplementary service |
| ISO/IEC 13872:2003 | Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Call Diversion supplementary services |
| ISO/IEC 13863:1998 | Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Path replacement additional network feature |
| ISO/IEC 11574:2000 | Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Circuit-mode 64 kbit/s bearer services — Service description, functional capabilities and information flows |
| ISO/IEC 15053:2003 | Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Call Interception additional network feature |
| ETS 300 387 : 20001 | PRIVATE TELECOMMUNICATION NETWORK (PTN) - METHOD FOR THE SPECIFICATION OF BASIC AND SUPPLEMENTARY SERVICES |
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