About

Built for engineers
who speak SIP

SIPSymposium is a diagnostic platform for VoIP and SIP engineers who need fast, deep, and accurate analysis. It reasons the way an expert does — over your specific data, not generic patterns.

What it is

SIPSymposium is an AI-powered VoIP diagnostic platform. You provide raw inputs — SIP traces, SDP exchanges, RTP/RTCP statistics, PCAP captures, logs, or plain-language scenario descriptions — and the platform performs structured, expert-level analysis across all of them.

It understands the SIP stack end-to-end: signaling correctness, RFC compliance, media negotiation, codec symmetry, encryption handshakes, NAT traversal, and timing behavior. When multiple endpoints are involved, it correlates findings between them — surfacing asymmetries and interaction failures that single-endpoint tools miss entirely.

The AI

The diagnostic engine is Claude — a large language model by Anthropic. Claude is prompted with deep expert context covering RFC 3261 and extensions, SDP, RTP/RTCP, SRTP and DTLS-SRTP, ICE/STUN/TURN, TLS signaling, NAT traversal, and codec negotiation across all common codecs.

Every analysis request goes to Claude's API via a secure server-side proxy. Claude reasons over the full input — including PCAP-extracted data and uploaded network diagrams — and returns a structured report with severity-ranked findings, technical detail referencing specific headers and RFC sections, and actionable recommendations.

Coverage
Signaling
RFC 3261 & extensions
INVITE flows, response codes, Via/Contact/Route, retransmissions, timers, auth, re-INVITE, PRACK, forking
Media
SDP & RTP/RTCP
Codec negotiation, ptime, hold/resume, DTMF, ICE, BUNDLE, SSRC, sequence/timestamp, one-way audio
Encryption
SRTP · DTLS · TLS
SDES vs DTLS-SRTP, cipher suites, key negotiation, TLS version/cert, ZRTP, mixed legs
Network
NAT & ICE
Symmetric NAT, RFC 1918 in SDP, STUN/TURN config, ICE failure, latching, ALG interference
Correlation
Multi-endpoint
Codec symmetry, SDP coherence, SRTP alignment, ptime asymmetry, timing sync across all legs
Compliance
RFC conformance
Header field errors, branch/tag/Call-ID format, CSeq ordering, Max-Forwards, session timers
Architecture

SIPSymposium is a static frontend paired with Supabase for user authentication and analysis history. API calls to Claude are proxied server-side to protect credentials. PCAP files are parsed entirely in the browser — the raw binary never leaves your device. Only the extracted text representation is sent for analysis.

Network topology and call flow diagrams are passed to Claude as base64-encoded images via the multimodal API, so the AI can visually interpret architectural context alongside your trace data.

Data privacy
Analysis inputs are sent to Anthropic's API for processing. Do not submit data containing personally identifiable information, credentials, or production secrets. PCAP parsing happens entirely in your browser — the raw binary is never transmitted. Only the extracted, text-form representation is included in the analysis request.
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