Yealink SIP-T48G Administrator's Manual page 690

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Description:
Configures the internal ringer text to map the keywords contained in the Alert-Info
header.
Example:
distinctive_ring_tones.alert_info.1.text = Family
Web User Interface:
Settings->Ring->Internal Ringer Text
Phone User Interface:
None
distinctive_ring_tones.alert_info.X.ringer
(X ranges from 1 to 10)
Description:
Configures the desired ring tones for each internal ringer text.
The value ranges from 1 to 10, the digit stands for the appropriate 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
Web User Interface:
Settings->Ring->Internal Ringer File
Phone User Interface:
None
To configure distinctive ring tones via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
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Parameters Permitted Values
Integer from 1 to 10
Default
1