Title: Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP)
Author(s): J. Rosenberg, J. Peterson, H. Schulzrinne, G. Camarillo.
Status: BEST CURRENT PRACTICE
Date: Apr 2004
Length: 77308
Third party call control refers to the ability of one entity to create a call in which communication is actually between other parties. Third party call control is possible using the mechanisms specified within the Session Initiation Protocol (SIP). However, there are several possible approaches, each with different benefits and drawbacks. This document discusses best current practices for the usage of SIP for third party call control.
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