Yealink SIP-T21 E2 Administrator's Guide

Configuring Audio Features
841
Parameters
Permitted Values
Default
Phone User Interface:
None
voice.tone.message
String
Blank
Description:
Customizes the tone when the IP phone receives a text message.
The value format is Freq/Duration. For more information on the value format, refer to the
parameter “voice.tone.dial”.
Note: It works only if the value of the parameter “voice.tone.country” is set to Custom. If
you want to disable this warning tone, set it to 0.
It is only applicable to CP920 IP phones.
Web User Interface:
Settings->Tones->Message
Phone User Interface:
None
voice.tone.autoanswer
String
Blank
Description:
Customizes the warning tone for auto answer.
The value format is Freq/Duration. For more information on the value format, refer to the
parameter “voice.tone.dial”.
Note: It works only if the value of the parameter “voice.tone.country” is set to Custom. If
you want to disable this warning tone, set it to 0.
Web User Interface:
Settings->Tones->Auto Answer
Phone User Interface:
None
To configure tones via web user interface:
1. Click on Settings->Tones.
2. Select the desired value from the pull-down list of Select Country.

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English