9.3. VoIP Calls Window
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## 9.3. VoIP Calls Window

The VoIP Calls window shows a list of all detected VoIP calls in the captured traffic. It finds calls by their signaling and shows related RTP streams. The current VoIP supported protocols are:

- H.323
- IAX2
- ISUP
- MGCP/MEGACO
- SIP
- SKINNY
- UNISTIM

See VOIPProtocolFamily for an overview of the used VoIP protocols.

VoIP Calls window can be opened as window showing all protocol types (Telephony → VoIP Calls window) or limited to SIP messages only (Telephony → SIP Flows window).

Figure 9.4. VoIP Calls window

User can use shortcuts:

- Selection

  - Ctrl+A - Select all streams
  - Ctrl+I - Invert selection
  - Ctrl+Shift+A - Select none
  - Note: Common Mouse click, Shift+Mouse click and Ctrl+Mouse click works too

- On selected call/calls

  - S - Selects stream/streams related to call in RTP Streams window (if not opened, it opens it and put it on background).
  - D - Deselects stream/streams related to call in RTP Streams window (if not opened, it opens it and put it on background).

Available controls are:

- Limit to display filter filters calls just to ones matching display filter. When display filter is active before window is opened, checkbox is checked.
- Time of Day switches format of shown time between relative to start of capture or absolute time of received packets.
- Flow Sequence opens Flow Sequence window and shows selected calls in it.
- Prepare Filter generates display filter matching to selected calls (signaling and RTP streams) and apply it.
- Play Streams opens RTP Player window. Actions Set, Add and Remove are available.
- Copy copies information from table to clipboard in CSV or YAML.

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