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Jason's avatar

You should never really be able to hear the difference between UDP and TCP or TLS. The fact that you can, and your struggle with latency on your old voip provider, keep me thinking of a firewall issue. The firewalls in consumer routers are notorious for doing funny and unpredictable things with SIP UDP packets. Glad you got a different provider working. I would make sure your dial plan in your phone dials immediately after 10 or 11 digits, and that any "SIP" functions of your router are disabled, but otherwise, use what works for you! Enjoy.

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