Yealink SIP-T2 Series, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
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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:

Alert-Info: Auto Answer

Alert-Info: info = alert-autoanswer

Alert-Info: answer-after = 0 (or Alert-Info: Answer-After = 0)
If enable auto answer tone feature is enabled, the phone plays a warning tone to alert
the user before answering the incoming call. For more information on Enable auto
answer tone, refer to
Auto Answer on page 288 .
Note
Procedure
Distinctive ring tones can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure distinctive ring tones.
Parameter:
account.X.alert_info_url_enable
<y0000000000xx>.cfg
Configure the internal ringer
text and internal ringer file.
Parameters:
features.alert_info_tone
distinctive_ring_tones.alert_info
.X.text
distinctive_ring_tones.alert_info
.X.ringer
If the Alert-Info header contains multiple types of keywords, the IP phone will process the
keywords in the following order: AutoAnswer>URL>info
text/Bellcore-drN/ringtone-N>MyMelodyN.