Administrator Manual OM Series IP Telephony System4-2 www.newrocktech.comFigure 4-3 CID detect setting interface 24.3 SIP Trunk Registration to an ITSPStep1 Configure ISTP server related settingsGo to the Trunk > IP trunk registration page. See Figure 4-4.Figure 4-4 IP trunk registration setting interfaceStep2 Enter username and passwordGo to the Trunk > IP trunk page. See Figure 4-5.Figure 4-5 IP trunk setting interfaceStep3 Verify the registration statusAfter configuration, go to the Logs > Resource page to check the status of registration.The central office sends caller ID eitherbefore or after ringing. The caller ID detectionshould be configured accordingly.Note: when the device fails to detect the callerID, different mode listed here should be triedout.Input information required by theservice provider.Enter phone number and password assigned by the service, and click Add.
