234 System maintenance— IP Settings window – Ensure that Proxy IP address = SIPGateway Signaling Server node IP address.See Procedure 48 “Configuring IP Settings” (page 139) for details.— SIP Settings Window – Ensure that Predefined SIP serverconfiguration = Nortel— SIP Settings Window – Ensure that SIP domain is enteredSee Procedure 51 “Configuring SIP Settings” (page 141) for details.• For Call Server:— Ensure that D channel X is configured and activeSee Procedure 62 “Adding a D-Channel” (page 156) for details.— Ensure that Route Y for D-CH X is configured properlySee Procedure 63 “Adding a route” (page 156) for details.— Ensure that Virtual trunks are added to Route YSee Procedure 64 “Adding a trunk” (page 157) for details.If you cannot make calls between DECT handsetsPrerequisites1. The signaling server, call server, and DECT system are configured andconnected to the Ethernet.2. DAPs are working3. It is possible to make a call from a DECT handset to an IP/TDMtelephone on the call server.If you cannot establish a call between two DECT handsets (see Figure 53"Call flow for a call from DECT handset to DECT handset" (page 236) for asimplified call flow), ensure the following are properly configured.Call server1. Digit Manipulation Block A (no digits to delete). See Procedure 67“Adding digit manipulation block” (page 159) for details.2. Route List Block B is configured for Route Y and DMI A. SeeProcedure 68 “Adding route list block” (page 159) for details.3. UDP - Location code (RLI B is entered, FLEN is equal to sum of thedigits in LOC and DN). See Procedure 69 “Adding location code (forUDP)” (page 160) for details.Nortel Communication Server 1000SIP DECT FundamentalsNN43120-123 01.076 January 2009Copyright © 2008-2009 Nortel Networks.
