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RFC 7088
Title: Session Initiation Protocol Service Example
-- Music on Hold
Author: D. Worley
Status: Informational
Stream: IETF
Date: February 2014
Mailbox: worley@ariadne.com
Pages: 36
Characters: 69311
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-worley-service-example-15.txt
URL: http://www.rfc-editor.org/rfc/rfc7088.txt
"Music on hold" is one of the features of telephone systems that is
most desired by buyers of business telephone systems. Music on hold
means that when one party to a call has the call "on hold", that
party's telephone provides an audio stream (often music) to be heard
by the other party. Architectural features of SIP make it difficult
to implement music on hold in a way that is fully standards-compliant.
The implementation of music on hold described in this
document is fully effective, is standards-compliant, and has a number
of advantages over the methods previously documented. In particular,
it is less likely to produce peculiar user interface effects and more
likely to work in systems that perform authentication than the music-
on-hold method described in Section 2.3 of RFC 5359.
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