Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
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Devices
Parameter
features.headset_mode.enable <y0000000000xx>.cfg
Description
It enables or disables the phone’s headset mode.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
All phones except CP920
Parameter
features.headset.group_listen_in_talking_enable <y0000000000xx>.cfg
Description
It enables or disables the phone to enter into the group listening mode by pressing the Speakerphone
key when you first answer the call using the headset.
Note: The audio is sent only through the headset. So you are able to speak and listen through the
headset, but you can only listen through the speaker. It is not applicable to Bluetooth headset.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U, T48S, T46S, T42S, T41S, T33P, T33G, T31P,
T31G, T31, T30P, T30 and T27G
Parameter
phone_setting.headsetkey_mode <y0000000000xx>.cfg
Description
It configures headset mode during a call.
Permitted
Values
0-Always use (pressing the Speakerphone key and picking up the handset are not effective when the
headset mode is activated)
1-Use as normal
Default
1
Supported
Devices
All phones except CP920
DSS Keys
There are three kinds of DSS keys: Line Keys, Programmable Keys, and Ext Keys. You can assign various functions
to DSS keys. This section explains how to set these keys.
Line key is not applicable to T30P/T30/T19(P) E2/CP920 phones, ext key is only applicable to expansion modules
connected to T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T29G/T27G phones.
Note: If the phone is downgraded to an earlier firmware from firmware version 83, the DSS key configuration will be reset
after downgrading.
Topics
Supported DSS Keys
Supported Dsskey Types
Line Keys
Programmable Keys
Ext Keys
Dsskey Lock Configuration
Dsskey Page Reset Configuration
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