Audio Features
339
Value of N Ring Tone
1 Ring1.wav
2 Ring2.wav
3 Ring3.wav
4 Ring4.wav
5 Ring5.wav
6 Ring6.wav
7 Ring7.wav
8 Ring8.wav
9 Silent.wav
10 Splash.wav
N<1 or N>10 Ring1.wav
Alert-Info: <URL>
When the Alert-Info header contains a remote URL, the IP phone will try to download the WAV ring tone file from the
URL and then play the remote ring tone if “account.X.alert_info_url_enable” is set to 1 (or the item called “Distinctive
Ring Tones” on the web user interface is Enabled), or play the preconfigured local ring tone in about 10 seconds if
“account.X.alert_info_url_enable” is set to 0 or if the IP phone fails to download the remote ring tone.
Example:
Alert-Info: http://192.168.0.12:8080/Custom.wav
Alert-Info: info=info text;x-line-id=0
When the Alert-Info header contains an info text, the IP phone will map the text with the Internal Ringer Text pre-
configured (or “distinctive_ring_tones.alert_info.X.text” is configured) on the IP phone, and then play the ring tone
associated with the Internal Ringer Text (the ring tone can be configured by the parameter “distinctive_ring_
tones.alert_info.X.ringer”). If no internal ringer text maps, the IP phone will play the preconfigured local ring tone in
about 10 seconds.
Example:
Alert-Info: info=family;x-line-id=0
Alert-Info: <http://10.1.0.31>;info=family
Alert-Info: <http://10.1.0.31>;info=family;x-line-id=0
Auto Answer
If the INVITE request contains the following type of strings, the IP phone will answer incoming calls automatically
without playing the ring tone:
l Alert-Info: Auto Answer
l Alert-Info: info = alert-autoanswer
l Alert-Info: answer-after = 0 (or Alert-Info: Answer-After = 0)
l Alert-Info: Intercom
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