Yealink SIP-T21 E2 Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Parameters
Permitted Values
Default
(Enabled).
Web User Interface:
Features->Intercom->Intercom Mute
Phone User Interface:
Menu->Features->Intercom->Intercom Mute
features.intercom.tone
0 or 1
1
Description:
Enables or disables the IP phone to play a warning tone when answering an intercom call.
0-Disabled
1-Enabled
Note: It works only if the value of the parameter “features.intercom.allow” is set to 1
(Enabled).
Web User Interface:
Features->Intercom->Intercom Tone
Phone User Interface:
Menu->Features->Intercom->Intercom Tone
features.intercom.barge
0 or 1
0
Description:
Enables or disables the IP phone to answer an incoming intercom call while there is already
an active call on the IP phone.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the IP phone will handle an incoming intercom call like a waiting
call while there is already an active call on the IP phone.
If it is set to 1 (Enabled), the IP phone will automatically answer the intercom call while there
is already an active call on the IP phone and place the active call on hold.
Note: It works only if the values of parameters “features.intercom.allow” and
“call_waiting.enable” are set to 1 (Enabled).
Web User Interface:
Features->Intercom->Intercom Barge
Phone User Interface:
Menu->Features->Intercom->Intercom Barge
features.intercom.headset_prior.enable
0 or 1
1

Yealink SIP-T21 E2 Specifications

General

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