ST2030s VoIP Business Phone
ST2030s SIP Administrator Guide v3.0
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ST2030 SIP Distinctive ringing and CWT using <Alert-Info>
header
1. Overview
This document describes how ST2030 uses <Alert-Info> SIP header in
INVITE requests for distinctive ringing and distinctive CWT (Call waiting tone)
features.
2. <Alert-Info> Header and Ringing management
This chapter specifies how the ST2030 SIP handles the <Alert-Info> header
and parameters in SIP when the phone is in idle state, i.e., no other call is
currently active.
2.1 System ringers
When ST2030 is asked to play a ringer it should look for it within
previously downloaded system ringers.
Example:
Alert-Info: MyMelody8
will trigger “MyMelody8” (system)
2.2 Void or not understood Alert-Info
When ST2030 receives a void or not understood <Alert-Info> header, it
plays a default Distinctive ringing melody which is not configurable.
Example of a void Alert-Info:
Alert-Info: will trigger Default Distinctive ringing melody
Example of not understood (unable to play):
Alert-Info: <http://music.com/boom.mp3>
Alert-Info: Toto if there
is no “Toto” ringer downloaded.
2.3 Alert-Info with local URL
When ST2030 receives a Alert-Info with a local URL 127.0.0.1 as argument,
it plays the ringers named as the character string following
“http://127.0.0.1/”
Example of Alert-Info with local URL:
Alert-Info:
http://127.0.0.1/MyMelody5
will trigger “MyMelody5”
Summary of Contents for ST 2030 SIP
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