Open-Source Telephony

Asterisk, engineered for production contact centers

We build on Asterisk the modern way — ARI/Stasis applications in Java, containerised media nodes and OpenSIPS in front — to run dialers, IVRs, recording and AI voice bots at contact-center scale.

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  • ARI / Stasis applications
  • Multi-node, containerised
  • Recording & queues
  • AI voice-bot media streaming

Dialplan spaghetti doesn't scale

Many Asterisk installs grow into thousands of lines of dialplan on one box. Every change is risky, upgrades are frightening, and one server failure takes down the whole operation.

Moving call logic into ARI applications and spreading media across nodes makes Asterisk testable, observable and horizontally scalable.

How It Works

How we build on Asterisk

01

Thin dialplan

Calls are handed to a Stasis application immediately; business logic lives in versioned application code.

02

Multiple media nodes

Asterisk runs in containers across several nodes, load-balanced by OpenSIPS.

03

Observable operations

Call states, CDRs and recordings flow into dashboards and reports in real time.

Features

What we deliver on Asterisk

ARI applications

Dialers, IVRs, conferences, click-to-call and transfers implemented as ARI apps rather than dialplan.

Visual IVR on ARI

Flows drawn in a web builder execute on any node via ARI.

AI voice integration

Bidirectional media streaming to speech and LLM engines for real-time voice bots.

Recording

Mixed recordings stored centrally and linked to CRM records.

Queues & agents

Agent sessions, skills, wrap-up and break handling with real-time state.

Containerised nodes

Repeatable Docker deployments so nodes can be added or replaced quickly.

Architecture

Reference Asterisk deployment

OpenSIPS in front, several Asterisk media nodes behind it, and application services driving calls over ARI.

  1. Carriers / WebRTC
    SIP / WSS
  2. OpenSIPS
    SBC & LB
  3. Asterisk nodes
    Media
  4. ARI apps
    Java services
  5. CRM & reports
    Web UI

Compliance & Security

Operational safeguards

No single Asterisk node is a point of failure
Least-privilege ARI credentials per application
SIP exposed only to allow-listed carrier IPs
Recordings stored with controlled access
Change control through versioned code, not live dialplan edits
Monitoring of channels, CPU and call quality

FAQ

Common questions

Can you take over and improve our existing Asterisk system?+
Yes. We typically audit the current setup, stabilise it, then migrate logic to ARI applications incrementally without downtime.
Which Asterisk versions do you support?+
We deploy current long-term-support releases and can migrate older installations.
Do you support FreePBX?+
We work with FreePBX-based systems but recommend ARI-based custom applications for contact-center workloads.
Can Asterisk run AI voice bots?+
Yes. We stream call audio to speech-to-text, LLM and text-to-speech engines (or realtime speech models) and play responses back with low latency.

Related

OpenSIPS IVR Design AI Voice Bots

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Share your current setup — we'll suggest a path to a scalable, ARI-based design.

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