Bridge Signal messenger calls
to your own SIP/PBX
A native daemon connecting Signal’s private voice calling
to a standard SIP/PBX system - self-hosted, end to end
Keep your existing PBX
Add Signal to Asterisk, FreePBX, or any SIP/PBX system as just another line - no need to replace anything.
Two-way reachability
Dial a Signal contact from a SIP extension, or receive a Signal call routed straight into your PBX.
Self-hosted, end to end
No third-party gateway ever sees your calls or your keys.
Encrypted everywhere
TLS/SRTP on the SIP leg, alongside Signal’s own end-to-end encrypted calling.
Multi-account
Any number of Signal accounts per daemon, each configured independently, each with its own SIP trunk if needed.
Manage it live
A terminal UI or a plain CLI - no daemon restart needed for config changes.
Proxy support
Route any account through a transparent TLS relay to reach Signal from a network where it’s blocked, same as the official app’s proxy feature.