Document :

ITU-T SG 2  (Study Period 2017)  Temporary Document  709-GEN

Title :

LS/o about SG2 work on international calling party number delivery (E.157) [to ITU-T SG11, ITU-T SG15, GSMA]

Date :

2019-02-27

Source :

ITU-T Study Group 2

AI/Question :

Q1/2

Access :

Restricted to TIES users [ITU-T]