Eyebeam is one of the Softphones that has inbuilt the codec G729 which can help you save up to 80% of your bandwidth resulting in a superior sound quality on your VoIP calls.
Below is a walktrough that shows you how to select the codec G729 on your Eyebeam:
STEP 1 Right Click on the main screen and select SETTINGS
STEP 2 Click on MEDIA
STEP 3 Click on AUDIO
STEP 4 Click on ADVANCED, on the right side you will see two boxes, move all the codecs to the left leaving only the G729 on the right side window.
FINAL STEP Click on Apply and then OK and you’re all set. You will now notice a huge increment on the quality of your calls.