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]