Nortel 1535 Installation And Configuration Manual

Also see for 1535: Installation and commissioning User guide Get started Quick reference card Release note

Contents

55TroubleshootingRequired software for CS1000E call serverIf your MCS 5100 resides on the same network as a CS1000E, make sureyour CS1000E has the following patches installed:• MPLR22491• MPLR22494Known issues• Successful NAT/Firewall traversal requires an RTP Media Portal (sameas MMPC client).• If the IP Phone 1535 is installed within an IP Telephony environment inwhich the G.723.1 codec is not supported by all endpoint devices (onthe same node), the IP Phone 1535 G.723.1 codec must be set as thelowest priority (default setting) to avoid codec negotiation related issues.Basic troubleshootingCheck physical connections on the IP Phone 1535:• For power related failures ensure that the power supply is connected, asIP Phone 1535 does not support PoE.• For issues of connectivity loss, check all installed cabling for the IPPhone 1535: are all cables installed firmly and in the correct ports?• If the handset has no audio, check to see if the handset accidentallyconnected to PSTN RJ-11 connector?Troubleshooting connectivity issuesThe following illustrates the icons used by the IP Phone 1535 in describingthe various network connection states encountered during operation andinstallation:Multimedia Communications Server 5100IP Phone 1535 Installation and ConfigurationNN43160-103 01.02 StandardRelease 3.5 20 November 2006Copyright © 2006, Nortel Networks Nortel Networks Confidential.