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.

# Controls the analysis of SIP OPTION, SUBSCRIBE, NOTIFY messages. They can be stored to a PCAP file, seen in SIP Opt. Active, or also stored to the Database.
# Default is 'no'. Options include 'yes', 'nodb', and 'no'.
sip-options = no

# Controls whether to store SIP OPTIONS messages to disk. Note that in situations of high traffic, this could overload the file system. Default is 'no'.
#save-sip-options = no

# Enable or disable the analysis and storage of SIP SUBSCRIBE requests. Default is 'no'.
sip-subscribe = no

# Controls whether to store SIP SUBSCRIBE messages to disk. Like OPTIONS, this could overload the system in high-traffic scenarios. Default is 'no'.
#save-sip-subscribe = no

# Enable or disable the analysis and storage of SIP NOTIFY requests. Default is 'no'.
sip-notify = no

# Controls whether to store SIP NOTIFY messages to disk. This is similar to OPTIONS and SUBSCRIBE in that it can overload the system in high-traffic scenarios. Default is '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