~ packet capture tools

SRTP PCAP Decoder

SRTP PCAP Decoder is a toolbox helper for encrypted media captures. It gives users a structured place to enter the details needed to decrypt SRTP for troubleshooting.

Inputs It Collects

• SRTP profile.
• Master key and salt.
• Optional SSRC filter.
• Rollover counter when needed.
• PCAP or PCAPNG capture file.

When To Use It

Use it when SIP signaling shows encrypted media and you need to prepare a capture for RTP analysis, audio extraction, or call-quality review.

Important Notes

• You need authorized access to the relevant keys.
• Without the right crypto material, encrypted payloads cannot be decoded.
• After decrypting, use RTP Health Analyzer or PCAP to WAV Extractor.