Mediant 2000 SIP User’s Manual 8. Gateway Capabilities DescriptionVersion 4.4 139 July 20058 Gateway Capabilities Description8.1 Proxy or Registrar Registration ExampleREGISTER sip:servername SIP/2.0VIA: SIP/2.0/UDP 212.179.22.229;branch=z9hG4bRaC7AU234From: ;tag=1c29347To: Call-ID: 10453@212.179.22.229Seq: 1 REGISTERExpires: 3600Contact: sip:GWRegistrationName@212.179.22.229Content-Length: 0The "servername" string is defined according to the following rules:• The "servername" is equal to "RegistrarName" if configured. The "RegistrarName" can beany string.• Otherwise, the "servername" is equal to "RegistrarIP" (either FQDN or numerical IPaddress), if configured.• Otherwise the "servername" is equal to "ProxyName" if configured. The "ProxyName" can beany string.• Otherwise the "servername" is equal to "ProxyIP" (either FQDN or numerical IP address).The parameter ‘GWRegistrationName’ can be any string. If the parameter is not defined, theparameter ‘UserName’ is used instead.The "sipgatewayname" parameter (defined in the ini file or set from the Web browser), can beany string. Some Proxy servers require that the "sipgatewayname" (in Register messages) isset equal to the Registrar / Proxy IP address or to the Registrar / Proxy domain name.The Register message is sent to the Registrar’s IP address (if configured) or to the Proxy’s IPaddress. The message is sent once per gateway. The registration request is resent according tothe parameter ‘RegistrartionTimeDivider’. For example, if ‘RegistrationTimeDivider = 70’ (%) andRegistration Expires time = 3600, the gateway resends its registration request after 3600 x 70% =2520 sec. The default value of ‘RegistrartionTimeDivider’ is 50%.8.2 Redirect Number and Calling Name (Display)The following tables define the Mediant 2000 redirect number and calling name (Display) supportfor various PRI variants:Table 8-1: Calling Name (Display)DMS-100 NI-2 4/5ESS Euro ISDNNTÆTE Yes Yes No YesTEÆNT Yes Yes No NoTable 8-2: Redirect NumberDMS-100 NI-2 4/5ESS Euro ISDNNTÆTE Yes Yes Yes YesTEÆNT Yes Yes Yes No