ITU-T E.157-2009
International calling party number delivery (Study Group 2)

Standard No.

ITU-T E.157-2009

Release Date

2009

Published By

ITU-T - International Telecommunication Union/ITU Telcommunication Sector

Latest

ITU-T E.157-2009

Scope

This Recommendation provides guidance for international calling party number delivery@ which is technology neutral. The mechanism to assess the veracity of a particular calling party number (i.e.@ the international E.164 number) is out of the scope of this Recommendation. Any agreement in countries is a national matter and is not considered in this Recommendation.

ITU-T E.157-2009 history

• 2009 ITU-T E.157-2009 International calling party number delivery (Study Group 2)