Document :

ITU-T SG13  (Study Period 2009)  Contribution  227

Title :

Proposal on the reference model of PTDN in Y.PTDN

Date :

2009-08-21

Source :

CATR,MIIT, People?s Republic of China

AI/Question :

Q20/13

Meeting :

2009-09-02

Access :

Restricted to TIES users [ITU-T]