Telco integration tooling that respects your traces.
Free, precise, 100% client-side tools for the engineers who actually run SMSCs, SIP trunks and USSD gateways. Paste a production PDU or a SIP log — it never leaves your browser.
Your data never leaves your browser
The tools
Real parsers, not header prettifiers. The SMPP decoder handles every v3.4 and v5.0 PDU type with full TLV, DCS, UDH and concatenation support.
SMPP PDU Decoder
flagshipDecode any v3.4 / v5.0 PDU — headers, TLVs, DCS, UDH, concatenation.
Open →SIP Message Analyzer
Parse, lint and explain a SIP message with a full SDP breakdown.
Open →USSD Flow Simulator
Run a USSD menu tree with a live MAP / SMPP protocol trace.
Open →Number / HLR Utilities
E.164 validate, IMSI (E.212) decode and E.214 global-title convert.
Open →The TelcoBench web dialer
A brandable, white-label web meeting + dialer with AI transcription and summaries. Free hosted tier, your logo and colors, paid branding / API / self-host. Built on the same SIP/WebRTC stack we consult on.
Why it's different
- Meetings run on our platform — no per-hour bot tax the notetakers pay.
- Native SIP: register against your trunk or PBX, dial PSTN into a room.
- Your brand, your domain (CNAME), your summary emails.
Consulting & custom development
SMPP Integration
Bind to production: SMSC/aggregator SMPP hookups, DLR flow, throttling and windowing, done right the first time.
SMSC / STP / Sigtran Consulting
Rare-skills SS7/Sigtran work — SMSC, STP, MAP, SCCP GT routing. Senior-boutique, when the talent pool is retiring.
WebRTC & Dialer Development
Custom dialers, voice bots and AI-voice integrations built by engineers who also speak SS7 and SMPP.
USSD Gateway Development
Operator- and VAS-side USSD applications and gateway integration, MAP dialogue and session model included.