The Switchvox Softphone App for Mobile enables an iOS or Android mobile phone to be used as a SIP phone with a Switchvox PBX. The following links are to simple network diagrams to show how the typologies differ to help system administrators determine the appropriate Switchvox setup options.

NAT reflection is sometimes called NAT loopback, or NAT hairpinning. 

See also: How to Set Up and Manage Switchvox for the Switchvox Softphone.

Switchvox in DMZ Switchvox is in the DMZ.   Open

Switchvox internal with port forwarding and NAT Reflection enabled Switchvox uses external IP or hostname and NAT Reflection is enabled.   Open

Switchvox internal with port forwarding and NAT Reflection disabled Switchvox uses dual resolve hostname and NAT Reflection is disabled.