SIP OPTIONS/SUBSCRIBE/NOTIFY

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  • this feature is disabled by default because it can overload the database or storage

Required configuration

  • you need to enable its processing in the sensor's /etc/voipmonitor.conf


See this part of the voipmonitor.conf and adjust/add it.

# analyze sip OPTION messages, default NO
sip-options = no
# store OPTIONS to disk (in extreme traffic it might overload file system), default NO
save-sip-options = no

# analyze sip SUBSCRIBE messages, default NO
sip-subscribe =  no
# store SUBSCRIBE to disk (in extreme traffic it might overload file system), default NO
save-sip-subscribe = no

# analyze sip NOTIFY messages, default NO
sip-notify = no
# store NOTIFY to disk (in extreme traffic it might overload file system), default NO
save-sip-notify = no


The GUI Usage

  • in the GUI->SIP Opt.,Subsc.,Notify you can see/filter/delete these types of the SIP OPTIONS/SUBSCRIBE/NOTIFY messages