Document :

ITU-T�SG 11� (Study Period 2017)� Contribution� 44

Title :

Proposal for amendment of Q.731 for enhancement of Calling Party Number security

Date :

2017-01-24

Source :

China Telecommunications Corporation

AI/Question :

Q2/11

Meeting :

2017-02-06

Access :

Restricted to TIES users�[ITU-T]