I would start by recording the raw audio on the b-channels and listening to those. This API command is useful: ftdm trace <path where to save files per channel> <span_id> [<chan_id>] You can launch that at the beginning of each call and then call ftdm no trace as the api_hangup_hook and then you'll have a separate file for each phone call. Note: this api will create separate files for inbound and outbound calls. -MC On Tue, Jul 16, 2013 at 5:11 AM, bawajan <shaik.bawajan@gmail.com> wrote:
Am using freetdm with PRI and using sangoma card.
Now a days i found that on some calls the audio quality is very bad, but on some calls the quality is good.
Not able figure out the issue.
Kindly help me to find the issue and let me know your kind suggestions.
Thanks,
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