Document :

ITU-T�SG 11� (Study Period 2009)� Contribution� 55

Title :

Proposed signalling requirements for supporting the Internal Communication service feature of IP Centrex

Date :

2009-01-09

Source :

China Telecom

AI/Question :

Q3/11

Meeting :

2009-01-19

Access :

Restricted to TIES users�[ITU-T]