Summary

Amendment 6 to Recommendation ITU-T Q.1902.3 was produced to meet the need for the implementation of calling line identification authentication (CIDA) as specified in Recommendation ITU-T Q.3063 (2022). 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.