Yealink SIP-T2 SERIES Administrator's Manual page 329

Parameters
Note: The IP phone cannot automatically answer the incoming call during a call even
if auto answer is enabled.
Web User Interface:
Account->Basic->Auto Answer
Phone User Interface:
For SIP-T42G/T41P/T40P/T27P/T23P/T23G/T21(P) E2/T19(P) E2:
Menu->Features->Auto Answer->Status
For SIP-T46G/T29G:
Menu->Features->Auto Answer->Line X->Auto Answer
For SIP VP-T49G/SIP-T48G:
Menu->Features->Auto Answer->Line X->On/Off
For CP860:
Menu->Features->Auto Answer->Auto Answer
account.X.auto_answer_mute_enable
(X is equal to 1)
Description:
Enables or disables auto answer mute feature for account X.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), the IP phone will mute the microphone when an incoming
call is automatically answered, and then the other party cannot hear you.
Note: It is only applicable to CP860 IP phones. It works only if the values of
parameters ―account.X.auto_answer‖ and ―features.allow_mute‖ are set to 1
(Enabled).
Web User Interface:
Account->Basic->Auto Answer Mute
Phone User Interface:
Menu->Features->Auto Answer->Auto Answer Mute
features.auto_answer_delay
Description:
Configures the delay time (in seconds) before the IP phone automatically answers
an incoming call.
Note: It works only if the value of the parameter "account.X.auto_answer" is set to 1
(Enabled).
Configuring Basic Features
Permitted Values
0 or 1
Integer from 1 to 4
Default
0
1
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