Cisco SPA IP Phone Field Reference
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Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 312
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Parameter Description
Handset Input Gain The amount of amplification to apply to the audio
input signal for the handset.
Defaults to zero.
Headset Input Gain The amount of amplification to apply to the audio
input signal for the headset.
Defaults to zero.
NOTE Not applicable to the Cisco SPA301 or the
Cisco SPA501G.
Speakerphone Input Gain The amount of amplification to apply to the audio
input signal for the speakerphone.
Defaults to zero.
NOTE Not applicable to the Cisco SPA301 or the
Cisco SPA501G.
Bluetooth Input Gain
(Cisco SPA525G or
Cisco SPA525G2 only)
The amount of amplification to apply to the audio
input signal for the Bluetooth device.
Defaults to zero.
Handset Additional Input
Gain
Applies additional input gain to the handset. The
maximum value is 9.
NOTE Does not apply to the Cisco SPA525G or
Cisco SPA525G2.