AdministrationA31003-S2030-M100-11-76A9, 01/2015120 OpenStage SIP V3R3 for OpenScape Voice, Administration Manualadministration.fmSystem Settings3.5.10.5 Backup SIP ServerThe Backup registration allowed flag indicates whether or not the phone treats the backupproxy server as a SIP registrar. If set to "Yes", the phone tries to register its SIP address withthe server whose IP address or hostname is specified by Backup proxy address. Once an IPaddress has been entered, the SIP-UDP Port is opened, even if SIP-TLS is used for the OSVoice connection.The Backup registration timer determines the duration of a registration with the backup SIPserver.The Backup transport option displays the current transport protocol used to carry SIP mes-sages to the Backup proxy server.The Backup OBP flag indicates whether or not the Backup proxy server is used as an out-bound proxy.Data required• Backup registration allowed / Backup registration flag: Determines whether or not thebackup proxy is used as a SIP Registrar.Value Range: "Yes", "No"Default: "Yes"• Backup proxy address: IP address or hostname of the backup proxy server.• Backup registration timer: Expiry time of the registration in seconds.Default: 3600• Backup transport: Transport protocol to be used for messages to the backup proxy.Value range: "TCP", "UDP"Default: "UDP"• Backup OBP flag: Determines whether or not the backup proxy is used as an outboundproxy.Value range: "Yes", "No"Default: "No"• Network > Port Configuration > Backup proxy: Port of the backup proxy server.Default: 5060
