Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones 
846 
Handset/Headset/Speakerphone Mode 
Yealink IP phones support three ways to place/answer a call: using the handset, using the 
headset or using the speakerphone. You can disable the least frequently used audio device as 
required. 
Procedure 
Handset/headset/speakerphone mode can be configured using the configuration files. 
Central 
Provisioning 
(Configuration File) 
Configure the speaker mode. 
Parameter: 
features.speaker_mode.enable 
Configure the handset mode. 
Parameter: 
features.handset_mode.enable 
Configure the headset mode. 
Parameter: 
features.headset_mode.enable 
Details of the Configuration Parameters: 
features.speaker_mode.enable 
Description: 
Enables or disables the phone’s audio speakerphone. 
0-Disabled 
1-Enabled 
Note: It is not applicable to CP860/CP920 IP phones. 
Web User Interface: 
None 
Phone User Interface: 
None 
features.handset_mode.enable 
Description: 
Enables or disables the phone’s handset.