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CTS System - Basic MultiPoint call analysis

The  following information will help you how to perform a basic call  control  analysis for a Telepresence call between 3 CTS Endpoints and CTMS in  this call we have 1 CTS 3200, 1CTS 3000 and 1 CTS-1300  system.

Versions:
CUCM 7.1.3.32900-4 Pub and Sub
CTS 1.6.5
CTS 3200 and CTS 3000 use ts4.local (Presentation codec).

Call from 3001,3002 and 3003 to 4006 around 15:45 PST time
Get the files from this location and look for the word: ##DEBUG##


Logs needed:

CCM SDI/SDL traces (Detailed level)
CTMS Logs set to INFO level
CTMS sysop, sip, ccs, switching, alarm, rtp, keyechange*
CTS Logs
CTS sysop logs,
rtp,
cca,
cmr,
cma,
sip
Srtp*
Secd*,
Keyexchange*
rc.log,
sysm

Sniffer capture (Optional)

+++++DEBUG+++++

You will find details in CUCM SDI, SDL, CTMS and CTS traces (CCA, CMR, OSD and  TSPS) for each call


What to check?

Use CTS SYSOP logs
Check CCA logs
Check SIP logs
Check CUCM traces
Check CMA
Check CMR
If Security is configured check:
  - SECD
  - KEYEXCHANGE
  - SRTP
Check CUCM Configuration/Infraestructure (i.e. BEA, SBCs, etc)
Check CUCM Traces SDI/SDL traces
Use CTMS_SYSOP
Check SIP.LOGx
Check CCS
Check SWITCHING
Check RTP
Check ALARM
If Security is configured check:
  - KEYEXCHANGE
 

Troubleshooting

Verify TelePresence SW Compatibility matrix
From CTS CLI, verify Calling Services are up
Verify System status in CTS GUI
Verify system is registered
Verify Region Bandwidth in CUCM (Check Video and Audio BW)
Verify Location
Verify CSS (Calling Search Space (Use Dial Number Analyzer)
Check Route Patterns
Verify SIP Trunk Security Profile matches what is configured in CTMS (Protocol, port)
Check Region between SIP trunk for CTMS and Endpoints
Verify Static/Scheduled or Ad-hoc meeting is configured in CTMS
Check packet flow

Use

sniffer capture (Span port is recommended)

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