AudioCodes Mediant 800 User Manual page 1164

CHAPTER 66 Enabling SIP Call Flow Diagrams in OVOC
c. Click Apply.
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If you have not configured any filtering rule for SIP call flow in the Logging Filters
table, the device sends call flow messages to OVOC for all calls.
The device does not send OVOC SIP messages that fail authentication (SIP 4xx
challenge).
The feature does not support SIPRec messages and REGISTER messages.
For HA systems, during a switchover the device stops sending the SIP call flow
messages of current SIP dialogs and continues sending them after the switchover
(even though OVOC does not display the continuation of the call after switchover).
If the device experiences a CPU overload, it stops sending SIP call flow messages
to OVOC until the CPU returns to normal levels.
Mediant 800 Gateway & E-SBC | User's Manual
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