Source note · Analysing a SIP call in Wireshark
In SRTP the encrypted portion is the RTP payload; the RTP header, including sequence number and SSRC, is authenticated but not encrypted.
Checked 2026-09-24
The Encrypted Portion of an SRTP packet consists of the encryption of the RTP payload (including RTP padding when present)
- Vendor
- IETF
- Product
- SRTP
- Subsystem
- packet format
- Deployment
- multi-tenant, on-premises
- Region
- not restricted
- Release range
- RFC 3711
- Checked
- 2026-09-24
Sources
- RFC 3711: The Secure Real-time Transport Protocol (SRTP) — IETF / RFC Editor · tier 1 standards and regulators · RFC 3711 section 3.1 SRTP Packet Format
Cite this note
APA
WarmTransfer. (2026, September 24). Analysing a SIP call in Wireshark: source note sip-call-analysis-wireshark-srtp-payload-encrypted. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-call-analysis-wireshark-srtp-payload-encrypted
BibTeX
@misc{warmtransfer-claim-sip-call-analysis-wireshark-srtp-payload-encrypted,
title = {Analysing a SIP call in Wireshark: source note sip-call-analysis-wireshark-srtp-payload-encrypted},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-call-analysis-wireshark-srtp-payload-encrypted},
note = {Source note sip-call-analysis-wireshark-srtp-payload-encrypted, checked 2026-09-24}
}