Profiles Profile 1 General Settings Network Settings SIP Settings Audio Settings Call Settings Profile 2 Profile 3 Profile 4 | Network SettingsLayer 3 QoS SettingsSIP Diff-Serv RTP Diff-Serv DNS SettingsDNS Mode Primary IP Backup IP 1 Backup IP 2 NAT SettingsNAT Traversal Use NAT IP Proxy-Require |