The feature of distinctive ring tones allows certain incoming calls to trigger IP phones to play
distinctive ring tones. The IP phone inspects the INVITE request for an "Alert-Info" header when
receiving an incoming call. If the INVITE request contains an "Alert-Info" header, the IP phone
strips out the URL or keyword parameter and maps it to the appropriate ring tone.
Topics
Supported Alert-Info Headers Format
Distinctive Ring Tones Configuration
Halo series phones support Alert-Info headers in four formats: Bellcore-drN, ringtone-N (or
MyMelodyN), and info=info text; x-line-id=0.
Note: If the Alert-Info header contains multiple types of keywords, the IP phone will process the
keywords in the following order:
<urn:alert:tone:internal/external> >> ringtone/ MyMelody >> Bellcore-dr >> info=.
Topics
Alert-Info: Bellcore-drN
Alert-Info: ringtone-N/Alert-Info: ringtone-RingN.wav (or Alert-Info: MyMelodyN/Alert-Info:
MyMelodyRingN.wav)
Alert-Info: info=info text;x-line-id=0
Alert-Info for auto answer
When the Alter-Info header contains the keyword “Bellcore-drN”, the IP phone will play the desired
ring tone.
The following table identifies the corresponding ring tone:
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