ivr

A Chinese task oriented chatbot in IVR(Interactive Voice Response) domain, implement by rasa. This is a demo with toy dataset, more data should be added for performance.

网关服务：Sip与Rtc互通，实现Web，Android，iOS，小程序，SIP座机，PSTN电话，手机互通。

Open-source alternative to Genesys Cloud and Amazon Connect, for voice. AI agents answer every call; human agents take over without dropping it. Self-hosted on FreeSWITCH — bring your own SIP trunk and realtime model (OpenAI, Grok, Qwen, Doubao). One Go binary, OpenAPI-first.

PHP AGI ( Asterisk Gateway Interface ) facade, with CDR ( Call Detail Record ), Call spool and schedule auto dial, Send and Receive Fax, Channel Variables, and Caller ID management

Production-ready code examples for Telnyx AI Communications Infrastructure — Voice AI, SMS, SIP, and IoT APIs

SMS, Fax, Voice Broadcasting and auto dialer Software, A unified communications open source autodialer developed over freeswitch communication engine and ICTCore communications framework

FreeSwitch library for DotNet

An introduction to the 46elks API with code examples

Open-source AI phone API for voice agents. Give Claude, Cursor, OpenClaw, or any LLM a real phone number — outbound/inbound calls, SMS, transcripts, MCP, DTMF/IVR. FastAPI + SignalWire + Deepgram. Self-hostable alternative to Twilio, Vapi, and Retell.

An automated testing framework for Interactive Voice Response (IVR) call flows

Frontend component for RapidPro and TextIt.

An open-source Python library for easy VoIP call integration using SIP and SDP protocols. Simplify real-time communication and audio handling in your applications.

Arke is a .NET IVR for the Asterisk ARI system build on .NET Core and AsterNET.ARI

Voicegain Enterprise Speech-to-Text Platform (API, Portal, etc.)

Voip for Micropython ESP32 with Interactive Voice Response

Module of FreePBX (IVR) :: Creates Digital Receptionist (aka Auto-Attendant, aka Interactive Voice Response) menus. These can be used to send callers to different locations (eg, Press 1 for sales) and/or allow direct-dialing of extension numbers.

Voice-Powered IVR Chatbot with Autopilot

Rules Engine for Amazon Connect aims to deliver an engine sitting on top of Amazon Connect which has the capability to build a hyper-personalised IVR experience for customers.

FreeSWITCH API using with Python module

Distributed call queue system (ACD) for Asterisk 13+