A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Basic Level of Interoperability for SIP Services Working Group of the IETF.
Title : Call Completion for Session Initiation Protocol (SIP)
Author(s) : D. Worley, et al.
Filename : draft-ietf-bliss-call-completion-02.txt
Pages : 28
Date : 2008-06-20
The features "call completion on busy subscriber" and "call
completion on no reply" allow the calling party of a failed call to
be notified when the called party becomes available to receive a
call. This document describes an architecture for implementing these
features in the Session Initiation Protocol: "Call completion"
implementations at the caller's and callee's endpoints cooperate to
place the caller's request for call completion into a queue at the
callee's endpoint, and, when a caller's request is ready to be
serviced, re-attempt the original, failed call.
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