Yealink SIP-T2 Series Administrator's Manual page 296

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
Parameter features.ip_call.auto_answer.enable
It enables or disables the auto answer feature for IP call.
Note: It works only if "features.direct_ip_call_enable" is set to 1 (Enabled). The IP phone cannot auto-
Description
matically answer the incoming IP call when the IP phone is in a call or dialing even if IP call auto answer is
enabled.
0-Disabled
Permitted
Values
1-Enabled, the IP phone can automatically answer the IP call.
Default 0
Web UI Features->General Information->IP Direct Auto Answer
Parameter features.auto_answer.first_call_only
It enables or disables the IP phone to only automatically answer the incoming call when the phone is idle.
Description
Note: It works only if "account.X.auto_answer" or "features.ip_call.auto_answer.enable" is set to 1
(Enabled).
0-Disabled. If there is an incoming call arrived when the IP phone is in a call or dialing, the IP phone will
automatically answer after you end the current call or cancel the dialing.
Permitted
1-Enabled. The IP phone can only automatically answer the incoming call arrived when the phone is idle.
Values
If there is an incoming call arrived when the IP phone is in a call or dialing, you have to manually pick up
the incoming call.
Default 1
Parameter features.auto_answer_delay
It configures the delay time (in seconds) before the IP phone automatically answers an incoming call.
Description
Note: For the call coming from a SIP account, it works only if "account.X.auto_answer" is set to 1
(Enabled).
Permitted
Integer from 1 to 4
Values
Default 1
Web UI Features->General Information->Auto Answer Delay
Parameter features.auto_answer_tone.enable
It enables or disables the phone to play a warning tone when an incoming call is automatically answered.
Description
Note: For the call coming from a SIP account, it works only if "account.X.auto_answer" is set to 1
(Enabled).
Permitted 0-Disabled
1-Enabled
Values
Default 1
Web UI Features->General Information->Enable Auto Answer Tone
Parameter features.custom_auto_answer_tone.enable
It configures the type of auto answer tone.
Description
Note: It works only if "features.auto_answer_tone.enable" is set to 1 (Enabled).
Permitted 0-One beep
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