Cisco Cisco TelePresence Video Communication Server Expressway
Appendix 1 – Troubleshooting
Cisco VCS Deployment Guide: Microsoft OCS 2007 R2, Lync 2010 and Cisco VCS X7.0
Page 74 of 104
this could be because the Cisco VCS’s zone links are not correctly set up. From the command line execute:
xcommand DefaultLinksAdd
to set up the required links for Cisco VCS default zones. Also check the links for other zones that have
been created.
been created.
Note: each H.323 call will have 2 entries in the search history:
An ARQ to see if the endpoint can be found.
The SETUP to actually route the call.
The ARQ search does not worry about links or link bandwidth, and so if links do not exist or link
bandwidth is insufficient it may still pass, even though the SETUP search will subsequently fail.
bandwidth is insufficient it may still pass, even though the SETUP search will subsequently fail.
Each SIP call will usually only have a single search history entry for the SIP INVITE.
Look at ‘Call History’ to check how the call progressed
1. Go to the
Call history
page (
Status > Call history
).
The summary shows the source and destination call aliases, the call duration and whether the call is a SIP,
H.323 or SIP< -- >H.323 interworking call.
H.323 or SIP< -- >H.323 interworking call.
2. Select the relevant call attempt.
The entry shows the incoming and outgoing call leg details, the call’s status and the zones that the Cisco
VCS Control used to route the call.
VCS Control used to route the call.
Check for errors
Event Log
Check the Event Log (
Status > Logs > Event Log
).
Tracing calls
Tracing calls at SIP / H.323 level
X7 or later:
1. Log in to Cisco VCS Control web interface as admin.
2. Go to
Maintenance > Diagnostics > Diagnostics logging
.
3. Ensure all log levels are set to DEBUG and click Start new log.
4. Retry the action for which the problem occurs (such as setting up a call or similar).
5. Click Stop logging followed by Download log.
The log file will contain information related to the events triggered by the action performed in step 4.
Presence not observed as expected
Presence Server status
To check who is providing presence information to the Cisco VCS Presence Server:
•
•
go to
Status > Applications > Presence > Publishers
To check whose presence is being watched for (on domains handled by Cisco VCS Presence
Server):
•
Server):
•
go to
Status > Applications > Presence > Presentities