Linksys WIP310 SPA500 Series and WIP310 IP Phone Administration Guide - Page 283

Cisco SPA 500 Series and Wireless IP Phone Field Reference Ext Tab B Parameter Use Outbound Proxy Outbound Proxy Use OB Proxy In Dialog Register Make Call Without Reg Description Enables an outbound proxy (for example, 172.20.2.1:5060-port is optional) or a domain name such as sip.server.com as long as this name is a fullyqualified domain name. If set to no, the Outbound Proxy and Use OB Proxy in Dialog fields are ignored. Defaults to no. Optionally, the proxy can be configured (SPA5xx only) for Survivable Remote Site Telephony (SRST) support. The proxy is configured with an extension that includes a statically-configured DNS SRV record or DNS A record. Configuring the proxy allows for failover and fallback functionality with a secondary proxy server. For example: For SRV Record: sip.server.com:SRV=node1.sip.server.com:5060:p=1:w= 50|node2.sip.server.com:5060:p=2:w=50 NOTE Set "Use DNS SRV" to no and "DNS SRV Auto Prefix" to no. For A Record: sip.server.com:A=172.20.2.1,172.20.2.2 NOTE Set "Use DNS SRV" to no and "DNS SRV Auto Prefix" to no. SIP Outbound Proxy Server where all outbound requests are sent as the first hop. Whether to force SIP requests to be sent to the outbound proxy within a dialog. Ignored if is no or is empty. Defaults to yes. Enable periodic registration with the . This parameter is ignored if is not specified. Defaults to yes. Allow making outbound calls without successful (dynamic) registration by the unit. If no, the dial tone will not play unless registration is successful. Defaults to no. Cisco SPA 500 Series and WIP310 IP Phone Administration Guide 272