CS 1000 Source Based Routing 55Table 8User Endpoint attributesParameter Description ExampleUser name The User’s ESN number 3435335Tandem gateway endpointnameThe endpoint name. Do notconfigure this parameterL0 DN Based on the user’s DN thatdoes not match anything in theCoordinated Dialing Plan orunqualified dialing plan; canbe the last digit of the MobilityHLOC with the User’s ESN DN.53435335L1 DN prefix not required noneAuthentication enabled Determines if Authentication isrequired.Authentication onAuthentication password The password for authentication xxxxxxxxFor more information about PCAs, see Features and Services Fundamentals– Book 5 of 6 (NN43001-106-B5). For information about SIP Gatewayconfiguration, see IP Peer Networking Installation and Commissioning(NN43001-313).CS 1000 feature interactionsThe MCC 3100 for BlackBerry and MCC 3100 for Nokia support ahigh-availability configuration for improved redundancy and failover.Configure the client with primary and secondary proxy addresses that referto different NRS-SPSs. The MCC 3100 for BlackBerry and MCC 3100 forNokia use an options heatbeat to determine proxy availablity. You canconfigure the heartbeat time.The MCC 3100 for BlackBerry and MCC 3100 for Nokia also supportexisting SIP redundancy mechanisms in both communication servers withina SIP deployment.CS 1000 Source Based RoutingCS 1000 Source Based Routing (SBR) occurs when the request URI ofthe INVITE message sent from the MCC 3100 for Windows Mobile or theMCG 3100 contains the tag x-nt-net-feature=x-nt-home. For example, thefollowing request URI triggers SBR:INVITE sip:+16131234567@nortel.com;x-nt-sip-line-service;x-nt-net-feature=x-nt-home SIP/2.0Nortel Mobile Communication 3100 Series PortfolioNortel Mobile Communication 3100 — Planning and EngineeringNN42030-200 01.09 StandardRelease 2.0 1 November 2007Copyright © 2007, Nortel Networks.