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ITU-T Q.1902.3 (2001) Amd. 5 (10/2009)

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Support for the customized alerting tone (CAT) service
Amendment 5 to Recommendation ITU-T Q.1902.3 was produced to meet the need for the implementation of the customized alerting tone (CAT) service as specified in ETSI TS 123.205 (2009). This amendment contains the modifications to Recommendation ITU-T Q.1902.3 (2001) in order to accommodate these needs. This amendment should be read in connection with the related amendments to Recommendations ITU-T Q.1902.1 and ITU-T Q.1902.2.
Citation: https://handle.itu.int/11.1002/1000/10231
Series title: Q series: Switching and signalling, and associated measurements and tests
  Q.1900-Q.1999: Specifications of signalling related to Bearer Independent Call Control (BICC)
Approval date: 2009-10-29
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 11
Further details: Patent statement(s)
Development history