Summary

Amendment 5 to Recommendation ITU-T Q.1902.2 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.1902.2 (07/01) 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.1902.3.