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ITU-T E.157 (11/2009)

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International calling party number delivery
Recommendation ITU-T E.157 provides guidance for international calling party number delivery which is technology neutral. It also clarifies the relationship between calling party number delivery and number identification supplementary service. International calling party number delivery refers to calling party number delivery across boundaries of countries.
Approval date: 2009-11-24
Provisional name:E.cpnd
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 2
Further details: Patent statement(s)
Development history
[17 related work items in progress]
Ed. ITU-T Recommendation Status Summary Table of Contents Download
1 E.157 (11/2009) In force