File formats:

Status:

BEST CURRENT PRACTICE

Authors:

R. Sparks
A. Johnston, Ed.
D. Petrie

Stream:

IETF

Source:

NON WORKING GROUP

Cite this BCP: TXT  |  XML

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Abstract

This document describes providing Call Transfer capabilities in the Session Initiation Protocol (SIP). SIP extensions such as REFER and Replaces are used to provide a number of transfer services including blind transfer, consultative transfer, and attended transfer. This work is part of the SIP multiparty call control framework. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.