Technical Summary
This documents describes functions implemented in Session
Initiation Protocol (SIP) intermediaries known as Session
Border Controllers (SBCs). The goal of this document is to
describe the commonly provided functions of SBCs. A special
focus is given to those practices that are viewed to be in
conflict with SIP architectural principles. This document
also explores the underlying requirements of network operators
that have led to the use of these functions and practices in
order to identify protocol requirements and determine whether
those requirements are satisfied by existing specifications
or additional standards work is required.
Working Group Summary
The SIPPING WG supports the development and advancement of
this document.
Document Quality
This document defines no new protocol elements.
The document was thoroughly reviewed within the SIPPING WG.
Francois Audet, Spencer Dawkins and Michael Procter
provided detailed reviews during and post WGLC.