Timing information 199Short Error code Description ActionSVP No SVP Response The phone cannotcommunicate with the WLANIP Telephony Manager 2245.Configure the Ethernetswitch port and SVP to100/full. Forward the DHCPoption 151 to the IP of theSVP server. Verify thesettings on the AP. Verifythat there is no 2.4 Ghzinterference of any kind.SVP No SVP IP No static IP entered intothe phone for the WLAN IPTelephony Manager 2245.Check for a valid IP in thephone. Check the licensemanagement configuration.Compare a working phonecode to the nonworkingphone code.SW No SW Found No phone code is found onthe TFTP server.Point the TFTP software tothe correct directory thatcontains valid code.System System Locked The WLAN IP TelephonyManager 2245 is locked.Dial in and verify that systemis locked. Soft reset theSpectraLink infrastructurethrough the menu system.TFTP TFTP Error(s) A failure occurred during theTFTP software update.Check the TFTP software(SolarWinds is notcompatible). Checkthe TFTP configuration.Forward option 66 in theDHCP scope, to the IPaddress of the TFTP server.Timing informationThe WLAN IP Telephony Manager 2245 sends payload packets to thehandset every 30 ms in a 5 ms window. The handsets are likely toexperience issues if the jitter between the WLAN IP Telephony Manager2245 and the AP is greater than 5 ms. Ideally, jitter in this part of thenetwork is 1 ms or less.Table 27TimingWLAN IP Telephony Manager 2245to the APHandset to theWLAN IP Telephony Manager 2245Delay ≤ 100 ms Delay ≤ 100 msJitter ≤ 1 ms Jitter ≤ 30 msPacket loss ≤ 2% Packet loss ≤ 2%Nortel Communication Server 1000WLAN IP Telephony Installation and CommissioningNN43001-504 01.02 StandardRelease 5.0 15 June 2007Copyright © 2004-2007, Nortel Networks.
