Yealink SIP-T2 SERIES Administrator's Manual page 330

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Web User Interface:
Features->General Information->Auto-Answer Delay(1~4s)
Phone User Interface:
None
features.auto_answer_tone.enable
Description:
Enables or disables the phone to play a warning tone when an incoming call is
automatically answered.
0-Disabled
1-Enabled
Note: For the call coming from a SIP account, it works only if the value of the
parameter "account.X.auto_answer" is set to 1 (Enabled). It is also applicable to IP
calls.
Web User Interface:
Features->General Information->Enable auto answer tone
Phone User Interface:
None
To configure auto answer via web user interface (take SIP-T23G IP phones for example):
1. Click on Account->Basic.
2. Select the desired account from the pull-down list of Account.
3. Select the desired value from the pull-down list of Auto Answer.
4. Click Confirm to accept the change.
308
Parameters Permitted Values
0 or 1
Default
1