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Cisco 1751 Router Software Configuration Guide
OL-1070-01
Caution Debugging is assigned a high priority in your router CPU process, and it can render your
router unusable. For this reason, use debug commands only to troubleshoot specific
problems. The best time to use debug commands is during periods of low network traffic
and few users to decrease the likelihood that the debug command processing overhead
affects network users.
Table 1 Important Information About Debug Commands
debug voip ccapi error
Use the debug voip ccapi error EXEC command to trace error logs in the call control application
programming interface (API). Use the no form of this command to disable debugging output.
[no] debug voip ccapi error
Usage Guidelines
The debug voip ccapi error EXEC command traces the error logs in the call control API. When there
are insufficient resources, error logs are generated during normal call processing. They are also
generated when there are problems in the underlying network-specific code, the higher call session
application, or the call control API itself.
This debug command shows error events or unexpected behavior in system software. In most cases, no
events are generated.
debug voip ccapi inout
Use the debug voip ccapi inout EXEC command to trace the execution path through the call control
application programming interface (API). Use the no form of this command to disable debugging
output.
[no] debug voip ccapi inout
About Information
Additional documentation You can find additional information and documentation about the debug commands in the
Debug Command Reference document on the Cisco IOS software documentation CD-ROM
that came with your router.
If you are not sure where to find this document on the CD-ROM, use the Search function in
the Verity Mosaic browser that comes with the CD-ROM.
Disabling debugging To turn off any debugging, enter the undebug all command.
Telnet sessions If you want to use debug command during a telnet session with your router, you must first
enter the terminal monitor command.