Wireshark User's Guide: VoIP Calls Window

Publisher

Wireshark Foundation

URL

https://www.wireshark.org/docs/wsug_html_chunked/ChTelVoipCalls.html

Published

unknown

Updated

unknown

Accessed

2026-09-23

HTTP status

200

License

Wireshark User's Guide is distributed under the GNU GPL per the guide's legal notice (not re-verified this run); no-redistribution; short excerpts and locators only

Source notes citing this source

• If SIP is carried over TLS and Wireshark has no usable key, the SIP and SDP are not visible, so VoIP Calls cannot list the call and RTP streams cannot be tied to it through signalling. inferred in context
• The Wireshark VoIP Calls window lists calls detected from H.323, IAX2, ISUP, MGCP/MEGACO, SIP, SKINNY and UNISTIM signalling together with their related RTP streams. in context
• In the VoIP Calls window the Flow Sequence button opens a Flow Graph of the selected calls. in context
• In the VoIP Calls window the Play Streams button sends the selected calls' RTP streams to the RTP Player window. in context
• In the VoIP Calls window the Prepare Filter button builds and applies a display filter matching the selected calls and their streams. in context
• The Flow Sequence button in the VoIP Calls window opens a Flow Sequence (flow graph) window showing the selected calls as a ladder of messages. in context
• In the VoIP Calls window, Prepare Filter builds a display filter that matches the selected calls and their RTP streams, and 'Limit to display filter' restricts the call list to packets matching the active display filter. in context
• The VoIP Calls window's Time of Day toggle switches the displayed times between relative to capture start and absolute time of packet receipt. in context
• The Wireshark VoIP Calls window detects calls from seven signaling protocols: H.323, IAX2, ISUP, MGCP/MEGACO, SIP, SKINNY and UNISTIM. in context
• The VoIP Calls window lists calls identified from signaling together with the RTP streams associated with them. in context
• The Wireshark VoIP Calls table can be copied to the clipboard as CSV or YAML. in context
• In the Wireshark VoIP Calls window the Flow Sequence control opens a ladder diagram of the message sequence for the selected calls. in context
• The Play Streams control in the Wireshark VoIP Calls window opens the RTP Player for the selected calls' streams. in context
• The Wireshark VoIP Calls window can generate a display filter expression that matches the selected calls (Prepare Filter) and can limit its list to calls that match the current display filter. in context
• The Wireshark VoIP Calls window detects calls signalled with H.323, IAX2, ISUP, MGCP/MEGACO, SIP, SKINNY and UNISTIM and shows the associated RTP streams. in context

Cite this source record

APA

WarmTransfer. (2026, September 23). Wireshark User's Guide: VoIP Calls Window. WarmTransfer. https://warmtransfer.net/knowledge/sources/wireshark-wsug-voip-calls

BibTeX

@misc{warmtransfer-wireshark-wsug-voip-calls,
  title  = {Wireshark User's Guide: VoIP Calls Window},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/wireshark-wsug-voip-calls},
  note   = {Wireshark Foundation, accessed 2026-09-23}
}