Pattern 8
PBX/SIP Server is in a LAN and it is configured to connect with a SIP provider
When a PBX/SIP Server is located behind NAT, the following information is required:
Port Forwarding information on the router
SIP exchanger - Local Port [UDP]
Default Value: 5060
RTP Exchanger - From Minimum Port to Maximum Port [UDP]
Default value: 10000-10999
Interface address field on PBX SIP Server
This
field is located on the PBX SIP Server > Config > System >
Network
Interface Address # = Your ROUTER’S global IP Address