Yealink T54S

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
478
Phone UI
Menu->Features->Intercom->Intercom Barge
Parameter
features.intercom.barge_in_dialing.enable
<y0000000000xx>.cfg
Description
It enables or disables the intercom call to answer an incoming intercom call while
dialing.
Note: It works only if “features.intercom.barge” is set to 0 (Disabled).
Permitted
Values
0-Disabled, the IP phone handles the intercom call like a normal incoming call.
1-Enabled, the IP phone stops dialing, and automatically answers the intercom call.
Default
0
Parameter
features.intercom.headset_prior.enable
<y0000000000xx>.cfg
Description
It configures the channel mode to use when receiving an incoming intercom call.
Permitted
Values
0-Speaker Mode
1-Headset Mode, it works only if you connect the headset to the IP phone and the
headset mode is activated for use.
Default
1
Parameter
account.X.alert_info
[1]
<MAC>.cfg
Description
It configures the Alert-Info header for intercom feature.
The value format likes: <sip:notused>; answer-after=0.
Note: If both Call-Info header (defined by the parameter "account.X.call_info") and
Alert-Info header are configured, the Call-Info header has a higher priority than the
Alert-Info header.
Permitted
Values
String within 256 characters
Default
Blank
CSTA Control
User Agent Computer Supported Telecommunications Applications (uaCSTA) is explained in detail in
Using CSTA for SIP Phone User Agents (uaCSTA) and Services for Computer Supported
Telecommunications Applications Phase III.
The uaCSTA feature on the phone may be used for remote control of the phone from computer
applications such as PC softphone. You can use the application to control the phone to perform basic call
operations. For example, place a call, answer a call, end a call and transfer a call to another party.
It is not applicable to T19(P) E2 IP phones.
Topic
CSTA Control Configuration