8-10 second Incoming ring delays VIOP phones
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Trying out VIOP phones that use Twilio for a carrier. All works fine...good call quality but there is a 8-10 second incoming ring delay. If I remove Pfsense and use an old Asus router, no issue. I have tried the suggestions from the Pfsense manual like putting firewall optimizations to conservative but the incoming ring delays persist.
Suggestions?
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Do you see any blocked traffic?
Is it only the ring that is delayed? The call audio is OK?
The only thing I can imagine failing like that would be if it's trying one connection type, failing and then falling back to something else.
Steve
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@stephenw10 Call quality is fine. I’ll have a look at the logs. Thanks!