RFC 4904: Representing Trunk Groups in tel/sip Uniform Resource Identifiers (URIs)
Abstract
This document describes a standardized mechanism to convey trunk
group parameters in sip and tel Uniform Resource Identifiers (URIs).
An extension to the tel URI is defined for this purpose.
RFC 4904: Representing Trunk Groups in tel/sip Uniform Resource Identifiers (URIs)
Components
RFC 3261: Session Initiation ProtocolRFC 3966: The tel URI for Telephone Numbers
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