The Graph will show the following information: To Graph analysis one or multiple calls from the VoIP List, select them from the list and then press the "Graph" button. This is specially useful when you want to connect ISUP calls according to some CIC value. This will create a filter in the Main Wireshark windows to filter the packets related to this call. To prepare a filter for a particular call, just select the desired call and press "Prepare Filter" button. For H323 calls it shows if the call uses Fast Start or/and H245 Tunneling. REJECTED: call was released before connect by the destination sideĬomment: An additional comment, this is protocol dependent. RINGING: call ringing (only supported for MGCP calls)ĬANCELLED: call was released before connect from the originated callerĬOMPLETED: call was connected and then released The possible values areĬALL SETUP: call in setup state (Setup, Proceeding, Progress or Alerting)
Packets: Number of packets involved in the call. Protocol: Any of the protocols listed above For MGCP calls, the EndpointID or dialed number. For SIP calls, it is the "To" field of the INVITE. To: For H323 and ISUP calls, this is the called number. For MGCP calls, the EndpointID or calling number. For SIP calls, it is the "From" field of the INVITE. Initial Speaker: The IP source of the packet that initiated the call.įrom: For H323 and ISUP calls, this is the calling number.
The VoIP calls list shows the following information per call:
To try out this dialog, a small capture file containing a VoIP call can be found at SampleCaptures/rtp_ which contains an example H323 call including H225, H245, RTP and RTCP packets. See VOIPProtocolFamily for an overview of the used VoIP protocols. The current VoIP supported protocols are: Here is a concrete examples of gathering frequencies, I chose to measure how many times an IP was a source and how many times it was a destination.
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