Buttons “Upload” and “Delete” can be used to upload or delete ringtone(s), only wav file is supported on
WBM, and the upper limit is also 5 ringtones.
7.4 Distinctive Ring Tones
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.
7.4.1 Supported Alert-Info Headers Format
The Desktop phone supports four types of alert-info message header fields: 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=.
When desktop phone receives an INVITE message with Alert-info (Alert-info: internal/external), the phone will
play a preset ringtone.
The following table lists the parameters you can use to configure the ringtone.
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