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Updated:December 11, 2018
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Configure Audio Input Gain on the SPA300 and SPA500 Series IP Phones
Audio Input Gain configuration allows you to amplify or deamplify sound in terms of decibels on SPA300 and SPA500 series IP phones.
The objective of this document is to show you how to adjust volume settings on SPA300 and SPA500 series IP phones.
Note: To change the parameters of Audio Input Gain, set Signaling Protocol as SIP under Call Control Settings on IP phone. If the Signaling Protocol is SCCP, then you can only view the audio input gain parameters.
• SPA500 Series
Steps to Configure Audio Input Gain
Step 1. Login to the web configuration utility and choose Voice > Phone.
Step 2. Choose the item under Audio Input Gain (dB) area that you want to configure.
Step 3. Choose any value between -6 to +6 in decibels from the particular option drop-down list. Positive value increases the volume and negative value decreases the volume. There are four options under the Audio Input Gain (dB) area.
• Handset Input Gain — Can be used to change the handset volume.
• Headset Input Gain — Can be used to change headset volume.
• Speakerphone Input Gain — Can be used to change speaker phone volume.
• Bluetooth Input Gain — Can be used to change Bluetooth volume.
Step 4. Click Submit All Changes to save your settings.