Document :

ITU-T�SG 11� (Study Period 2009)� Contribution� 187

Title :

Proposed Call Server based signalling flow for IP Centrex service

Date :

2011-01-06

Source :

CATR MIIT, China

AI/Question :

Q2/11, Q3/11

Meeting :

2011-01-24

Access :

Restricted to TIES users�[ITU-T]