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This page will help to resolve the following audio issues:
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Low volume
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Low Volume
If there are issues where the calling or called party hears the remote side too quiet, there is an option in chan_dahdi.conf (located in /etc/asterisk directory) where you can increase the gain in either direction.
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For scenarios 2 and 3, visit full troubleshooting information at:
-> Troubleshooting-Telephony Cards- Overruns & Performance Issues
If the above page does not help you resolve your issue with robotic, choppy sound, make sure to have visited the DAHDI Chunk side adjustment page. This may resolve all your issues.
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Make your call that experiences the issue
Identify which port the call is on, that is having audio issues
Type the following command to disable the hardware echo canceller immediately:
wan_ec_client wanpipeX disable
replace X with the port number in question
if successful you will notice the following output
If you notice all the audio issue go away, please contact Sangoma support at support.sangoma.com
If there is no difference you can re-enable the hardware echo canceller via the following ways:
type: wan_ec_client wanpipe1 enable
restart wanpipe: wanrouter restart
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