Yealink SIP-T5 Series Administrator's Manual page 165

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Web UI
Settings > Tones > Busy
Parameter voice.tone.congestion
It customizes the tone when the network is congested.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
"voice.tone.dial".
Description
Note: It works only if "voice.tone.country" is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
String
Values
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Web UI Settings > Tones > Congestion
Parameter features.congestion_tone.codelist
It configures the return code to play the congestion tone.
Multiple codes are separated by commas.
Description Example:
features.congestion_tone.codelist = 403,503,603
Note: The congestion tone can be customized by "voice.tone.congestion".
Permitted
any code that the server can return
Values
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Parameter voice.tone.callwaiting
It customizes the call waiting tone.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
"voice.tone.dial".
Description
Note: It works only if "voice.tone.country" is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
String
Values
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Web UI Settings > Tones > Call Waiting
Parameter voice.tone.dialrecall
It customizes the callback tone.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
Description "voice.tone.dial".
Note: It works only if "voice.tone.country" is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
String
Values
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<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
Audio Features
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