Yealink SIP-T3 Administrator's Manual page 177

Administrator's Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
Devices
Web UI Features > Audio > Redial Tone
Parameter account.X.dial_tone
Description It configures the dial tone for the phone.
0-Default (depend on the country tone by "voice.tone.country")
Permitted
1-440/250,0/250
Values
2-1000/250,0/250
Default
0
Parameter features.call.dialtone_time_out
It configures the duration time (in seconds) that a dial tone plays before a call is dropped.
Description
If it is set to 0, the call is not dropped.
Permitted
Integer from 0 to 65535
Values
Default 15
Parameter features.voice_mail_tone_enable
It enables or disables the phone to play a warning tone when it receives a new voice mail.
Description
Note: It works only if "account.X.display_mwi.enable" is set to 1 (Enabled).
Permitted
0-Disabled
Values 1-Enabled
Default 1
Web UI Features > General Information > Voice Mail Tone
Parameter features.send_key_tone
It enables or disables the phone to play a key tone when a user presses a send key.
Description
Note: It works only if "features.key_tone" is set to 1 (Enabled).
Permitted 0-Disabled
1-Enabled
Values
Default 1
Web UI Features > Audio > Send Tone
Parameter features.key_tone
It enables or disables the phone to play a key tone when a user presses any key on your phone
Description
keypad.
Permitted 0-Disabled
1-Enabled
Values
Default 1
Web UI Features > Audio > Key Tone
Color Screen Phones:
Phone UI Menu > Basic > Sound > Key Tone > Key Tone
CP925/CP935W:
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