Yealink SIP-T4U Series

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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(Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
softkey.X.use.transfer_connecting
[1]
<y0000000000xx>.cfg
Description
It enables or disables the custom soft key X to be displayed in the transfer connecting state.
Note: It works only if “features.enhanced_dss_keys.enable” and “softkey.X.enable” are set to 1
(Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
softkey.X.use.on_talk
[1]
<y0000000000xx>.cfg
Description
It enables or disables the custom soft key X to be displayed in the talking state.
Note: It works only if “features.enhanced_dss_keys.enable” and “softkey.X.enable” are set to 1
(Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
softkey.X.use.call_failed
[1]
<y0000000000xx>.cfg
Description
It enables or disables the custom soft key X to be displayed in the call failed state.
Note: It works only if “features.enhanced_dss_keys.enable” and “softkey.X.enable” are set to 1
(Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
softkey.X.use.ring_back
[1]
<y0000000000xx>.cfg
Description
It enables or disables the custom soft key X to be displayed in the ring back state.
Note: It works only if “features.enhanced_dss_keys.enable” and “softkey.X.enable” are set to 1
(Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
softkey.X.use.transfer_ring_back
[1]
<y0000000000xx>.cfg
Description
It enables or disables the custom soft key X to be displayed in the transfer ring back state.
Note: It works only if “features.enhanced_dss_keys.enable” and “softkey.X.enable” are set to 1
(Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
softkey.X.use.hold
[1]
<y0000000000xx>.cfg
Description
It enables or disables the custom soft key X to be displayed in the hold state.