202 Emergency Services configurationTesting the ESDN numberUse Procedure 17 "Testing ESDN using an SRG telephone" (page 202) totest the ESDN number from any telephone in the branch office.Procedure 17Testing ESDN using an SRG telephoneStep Action1 For IP Phones:a. Dial the ESDN on an SRG IP Phone in Local Mode.The calls must go out on the emergency trunk(s) in the branchoffice.b. Dial the ESDN on an SRG IP Phone in Normal Mode.The calls must tandem over the Virtual Trunk to the branch officeand go out on the emergency trunk(s) in the branch office. Thefollowing configuration problems can occur:• The call can receive overflow tones. Use LD 96 to view thedigits sent to the Virtual Trunk (ENL MSGO dch#).• If the digits look correct on the main office, the NRS mightnot be properly configured. If the NRS rejects the call, adiagnostic message is displayed on the NRS console.• If the call makes it to the correct branch office (check thatit is not going to the wrong node if the NRS is configuredincorrectly), the branch office is probably rejecting it becauseit does not know the digit string.2 For analog (500/2500-type) telephones, dial the ESDN on an SRGanalog (500/2500-type) telephone.The calls must go out on the emergency trunk(s) in the branch office.—End—Configuring ESA using Element ManagerTo configure Emergency Services Access in Element Manager, see ElementManager System Reference Administration (NN43001-632).Emergency Service using Special Numbers (SPN)Determining the dialing plan for emergency access calls is critical.Nortel Communication Server 1000Main Office Configuration Guide for SRG 50NN43001-307 02.02 StandardRelease 5.0 3 December 2007Copyright © 2005-2007, Nortel Networks.
