Document :

ITU-T�SG 2� (Study Period 2013)� Contribution� 75

Title :

Proposal for an update of Recommendation E.157 (this is a revision of GEN-520)

Date :

2015-03-02

Source :

Telecom Italia S.p.A.

AI/Question :

Q1/2

Meeting :

2015-03-18

Access :

Restricted to TIES users�[ITU-T]