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ITU-T Q.731.3 (04/2019)

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Stage 3 description for number identification supplementary services using Signalling System No. 7 : Stage 3 description for number identification supplementary services using Signalling System No.7 – Calling line identification presentation
Recommendation ITU-T Q.731.3 provides a signalling procedure for calling line identification presentation (CLIP). The Recommendation specifies service description, operation requirements and coding requirements of CLIP. It also presents the signalling requirements for originating local exchange, transit exchange, international gateway exchange and destination local exchange. Interaction with other supplementary services, interaction with other networks and dynamic description are also considered.
Citation: https://handle.itu.int/11.1002/1000/13878
Series title: Q series: Switching and signalling, and associated measurements and tests
  Q.700-Q.799: Specifications of Signalling System No. 7
  Q.730-Q.739: ISDN supplementary services
Approval date: 2019-04-29
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 11
Further details: Patent statement(s)
Development history