362 Matrix PRASAR UCS System Manual
• Add 'rinstance' in Register: 'rinstance' is any random value which can be used by the WAN Port to fetch
its own contact binding, that is, to know the Registration Expiry Timer assigned by the server. By default,
this check box is enabled.
Outbound Proxy
• Click Outbound Proxy to expand.
These parameters are relevant only if the ITSP has a SIP outbound server to handle voice calls. If yes,
configure the following parameters:
• Enable: Select this check box to enable Outbound Proxy. By default the check box is disabled.
• Server Address: Enter the Outbound Proxy Server's address. Both IPv4 and IPv6 addresses are
supported. It may be an IP Address or Domain name. A maximum of 48 characters, including ASCII
characters are allowed. By default it is Blank.
• Server Port: Enter the Outbound Proxy Server's Listening Port. The valid range for this is 1025-65535. By
default the Server Port is 5060.
Trusted IP Address/es
• You must configure IP Address table to allow incoming calls from specific IP addresses on this SIP Trunk.
Both IPv4 and IPv6 addresses are supported.