76 3Com VCX V7111 VoIP SIP Gateways User ManualSIP ParametersIn Table 19, parameters shown in brackets refer to the format in the EmbeddedWeb Server *.Table 19 SIP ParametersINI File Field NameGUI Parameter Name*Valid Range and DescriptionGatewayVersion(Version ID)Version of Gateway, for example, GatewayVersion = 4.2 Beta.SIPGatewayName(Gateway Name)VCX V7111 Gateway Domain Name, if specified the name is usedin right side of SIP URL.If not specified, the Gateway IP address is used instead (default).StaticNatIP(NAT IP Address)Static NAT IP address.Global Gateway IP address. Define if static Network AddressTranslation (NAT) device is located between the Gateway and theInternet.IsProxyUsed(Enable Proxy)0 = no Proxy used [internal phones table used] (default)1 = Proxy is usedProxyIpProxyIPProxyIP(Proxy IP)IP addresses (or fully qualified domain name) of main andoptionally two redundant SIP outbound Proxies.Used if IsProxyUsed = 1The Gateway starts working with the main Proxy, in case of afailure; the Gateway tries to communicate with the first redundantproxy (second on the list). Once a proxy is found, the Gateway willwork with it, until the next failure occurs. If none of the proxiesrespond, the Gateway goes over the list again.The Gateway monitors connection with a proxy using keep-alivemessages (OPTIONS).ProxyName(Proxy Name)Home Proxy Domain Name. If specified, the name is used asRequest-URI in REGISTER, INVITE, and other SIP messages.If the proxy name is not specified, the Proxy IP address is usedinstead.EnableProxyKeepAlive(Enable Proxy Keep Alive)0 = Disable (default)1 = Keep alive with Proxy, every 60 seconds sends an OPTIONSSIP message
