AudioCodes E-SBC User Manual page 1100

CHAPTER 62 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.
If the device experiences a CPU overload, it stops sending SIP call flow messages
to OVOC until the CPU returns to normal levels.
Mediant 1000 Gateway & E-SBC | User's Manual
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