Cisco Small Business IP Phones

Step 1:
Access the SPA-941 web-based setup page.

Step 2:
Click Admin Login, then advanced.

Step 3:
Click Phone.

Step 4:
Scroll down and look for Audio Input Gain (dB). Set the Handset Input Gain to -6 or 6.

Step 5:

Click .

Note: Check if sound quality on the phone has improved. If not, proceed to Step 6.

Step 6:
Click EXT 1.

Step 7:
Look for Silence Supp Enable, and set it to yes.

Note: If you are still encountering the same problem after these changes, reset the device to the factory default, and reconfigure it. For instructions on how to reset the SPA-941, click here.