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VX tracing has various numbers of tokens that can be run in the CLI. The list of available tokens can be viewed by running the command trace ? in enable mode in CLI. Commonly used tokens are listed below. Once the tracing is enabled and the particular test case is run, tracing can be disabled on CLI by running the command trace no.

Commonly Used Tokens

Token

Purpose

List Items

Trace isdn level info

ISDN (TDM Side) Troubleshooting: This command provide ISDN channel related information as they come to and from the VX

  • Waiting for route
  • Peer Setup
  • Connected
  • Releasing
  • Channel idle

Trace q931 level info

This command provide Q931 state machine related information as they come to and from the VX

  • Setup
  • Alerting
  • Setup Response
  • Connect Acknowledgement
  • Disconnect
  • Release
  • Release Complete

Trace sip level info

SIP (IP side) Troubleshooting: This debug command allows for troubleshooting SIP related issue by outputting all SIP related messages as they come to and from the VX.

  • INVITE
  • Ok / Answer
  • Ringing / Call progress
  • Tx/Rx stream start
  • Release/reset channel
  • Tx/Rx stream stop

Trace tel level info

Telephony Troubleshooting: This debug command allows for troubleshooting of general call route request related issues.

  • Translating number
  • Route table used
  • Outbound channel type and number
  • Preferred media i.e. G.711, T.38 Fax
  • Call serial number information
  • Tone detection
  • NAT flag
  • CDR recording