Document :

ITU-T�SG13� (Study Period 2005)� Contribution� 74

Title :

Proposed reference model of Public Telecom Packet Data Network (PTDN)

Date :

2007-04-05

Source :

MII, People's Republic of China

AI/Question :

Q13/13

Meeting :

2007-04-16

Access :

Restricted to TIES users�[ITU-T]