Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Description It enables or disables the minimum password strength limit.
Permitted
Values
0-Disabled
1-Enabled, when the Bluetooth device is paired with the phone, the minimum password strength can-
not be lower than 56bits.
Default
1
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
Features > Bluetooth > High Security Pairing
[1]
If you change this parameter, the phone will reboot to make the change take effect.
Handset/Headset/Speakerphone Mode
Yealink phones support three ways to place/answer a call: using the handset, using the headset or using the speak-
erphone. You can disable the infrequently used audio device as required.
Topic
Handset/Headset/Speakerphone Mode Configuration
Handset/Headset/Speakerphone Mode Configuration
The following table lists the parameters you can use to configure handset/headset/speakerphone mode.
Parameter features.speaker_mode.enable
<y0000000000xx>.cfg
Description It enables or disables the phone’s speakerphone mode.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
All phones except CP920
Parameter features.handset_mode.enable
<y0000000000xx>.cfg
Description It enables or disables the phone’s handset mode.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
All phones except CP920
Parameter features.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 handset.
Note: The audio is sent only through the handset. So you are able to speak and listen through the
handset, but you can only listen through the speaker.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported All phones except CP920
