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UNIStim 3.0 383

The current RUDP state appears, and one softkey is available to switch

the state and another to exit.

UNIStim 3.0

Use the following troubleshooting suggestions for UNIStim 3.0.

Enhanced diagnostics

With the IP Phone enhanced diagnostics feature, you can locate, examine,

and eliminate problems in the UNIStim IP Phone systems. This feature

can be used both locally and remotely.

This feature provides two functions. First it detects and logs errors, and

can recover the telephone. Second it provides a secure shell (SSH)

access to the telephone for administration and debugging.

The error collecting, logging, and recovery function provides task monitor,

CPU usage monitor, task stack monitor, memory monitor, and watch dog

to monitor and log errors at run time. This feature can also perform a hard

reset of the telephone.

This feature provides two levels of diagnostics shell privilege. The first

level is the PDT level which is a general user level and provides the full

set of PDT commands. The second level is the VxShell level, which is a

superuser level, provides the VxWorks native shell (tShell) commands

and a full set of PDT commands. To access the PDT level, you require

the SSH user ID and password. To access the vxshell level, you require

permission on the Nortel signing server perform the challenge–response

sequence. IP client designers can access vxshell. The GNPS/PV/FS

should work with a designer at any point they need access.

You can access two levels of diagnostic shell privileges: PDT and VxShell.

PDT level

The PDT level provides the full set of PDT commands. The prompt of PDT

level is PDT>.

To access the PDT level, log on the IP Phone from an SSH client and

enter the SSH user ID and SSH password. The IP Phone displays a

banner, as shown in the following example.

Welcome to Nortel problem determination tool.

You are connected to IP Phone 1120E.

HW version: 31380016CA0081E86624

FW version 0625C39

MAC 0016CA0081E8 IP 47.128.38.163

Type “pdtHelp” for list of available commands.

Type “bye” to exit current shell.

Nortel Communication Server 1000

Troubleshooting Guide for Distributors

NN43001-730 02.02 31 December 2009

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Cadence Flash F200-2 Guía para resolver problemas Pagina 383