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Does backhaul provider matter in VOIP?
It's all about latency so one would assume yes. But than is that only for the sip provider or also for the PBX solution? In other words would it be worth paying more for a provider utilizing level 3 for example even its only for the PBX box?
Obviously geographical requirements already taken into consideration.
Comments
Yes, backhaul matters, but not for the reason you'd assume.
Much more important than latency will be packet loss. For VOIP it's extremely important that the connection end to end has the lowest amount of packet loss possible, and the connection is stable at all times.
Normal internet traffic can tolerate a small amount of intermittent packet loss and nobody notices or cares very much.
So, pick a provider that has a very stable network. smokeping can help you measure how stable the path between you and various providers is.
Thanks that's great advice!