Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows
RFC 3666

Approval announcement
Draft of message to be sent after approval:

From: The IESG <>
To: IETF-Announce <>
Cc: Internet Architecture Board <>,
    RFC Editor <>, 
    sipping mailing list <>, 
    sipping chair <>
Subject: Protocol Action: 'Session Initiation Protocol Basic 
         Call Flow Examples' to BCP 

The IESG has approved the following documents:

- 'Session Initiation Protocol Basic Call Flow Examples '
   <draft-ietf-sipping-basic-call-flows-03.txt> as a BCP
- 'Session Initiation Protocol PSTN Call Flows '
   <draft-ietf-sipping-pstn-call-flows-03.txt> as a BCP

These documents are products of the Session Initiation Proposal 
Investigation Working Group. 

The IESG contact persons are Allison Mankin and Jon Peterson.

A URL of this Internet-Draft is:

Technical Summary
 (What does this protocol do and why does the community need it?)
Working Group Summary
 (Was there any significant dissent? Was the choice obvious?)
Protocol Quality
 (Who has reviewed the spec for the IESG? Are there implementations?)