VoIP Nugget: Firewall & VoIP

NAT & Firewalls typically present some challenges to VoIP, however with a good understanding of what’s happening it’s possible to make VoIP calls for UK relocations work easily. And being able to have external extensions and bridges with remote offices is one of the cool features of VoIP. This VoIP nugget gives a high level introduction to the problems and what must be done.

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