Table Of Contents - Snom 4S SIP NAT gateway User Manual

Contents
Theory of Operation.....................................................5
The NAT Problem .....................................................5
Message Flow ..........................................................6
PPPoE .....................................................................7
Domain proxy behind NAT.........................................8
Starting......................................................................8
Manual Start ...........................................................8
Automatic Start ..................................................... 10
Proxy Chain .............................................................. 10
Outbound Proxy..................................................... 11
IP Gateway ........................................................... 11
Quality of Service ...................................................... 12
Versions ............................................................... 13
Open Issues .......................................................... 13
4