General

The Surveillance, Observation and Monitoring (SOM) using SIP proxy feature provides a function for monitoring of traffic in the system from a central monitoring server. The monitoring server is added as a free server in the MiVoice MX-ONE system without making it a LIM. The SOM functionality using SIP proxy is software-based unlike the legacy SOM, which works on TDM Trunk Lines. The SOM using SIP proxy functionality is controlled by a port-level license. One license is used for every media server instance.

The monitoring server will have a media server instance and a stateless SIP proxy running on it. The media server will handle the redirection of RTP streams between endpoints. The stateless SIP proxy is used to receive meta-data information of the calls so that this information can be mapped to the media streams.

After the function is enabled, MiVoice MX-ONE will treat all the calls in the system as gateway calls and redirect the media traffic through the media server. The MiVoice MX-ONE also generates a SIP call through the SIP proxy running on the monitoring server. This SIP call contains the meta-data required to capture the call and generate call data records. The meta-data contains the call information along with the port numbers on media server where the RTP streams will be captured.

The administration of the surveillance function, that is, enabling, disabling, and configuring the proxy address, is done using a UNIX-based command.