Document :

ITU-T�SG15� (Study Period 2009)� Contribution� 2097

Title :

PTN requirements on Ring protection

Date :

2012-08-26

Source :

China Mobile Communications Corporation , Huawei Technologies Co. Ltd. , ZTE Corporation

AI/Question :

Q9/15

Meeting :

2012-09-10

Observation :

Revision 2 of this Contribution is incorrectly titled; the correct title is: PTN requirements on Ring protection

Access :

Restricted to TIES users�[ITU-T]