Technical Support

Network Pattern 03

Some Phones and PBX/SIP server are in the same LAN and some phones are in another LAN over the internet.



When a SIP UA 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

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