Asterisk
The best-known open-source PBX (Private Branch Exchange) software, allowing an ordinary server to act as a traditional telephone switch. It supports SIP trunks, IVR, call recording, conferencing, and queues, and can interact with external programs through dialplans and the AGI/ARI interfaces.
Timeline (last 90 days)
The system migrated from a self-hosted Asterisk PBX backbone to the managed VAPI voice API to reduce operational costs and focus on business logic.
Asterisk is an open-source telephony system framework, essentially a software PBX that can handle SIP signaling, IVR voice menus, call routing, and recording.
Load Bearing Empire uses an Asterisk 18.10 PBX for its phone system.
VAPI agents interface with Asterisk via the SIP protocol, bridging AI voice interaction with the traditional telephone network.
Asterisk is the most well-known open-source PBX software, supporting SIP trunking, IVR, call recording, conferencing, and queues, and can interact with external programs through dialplans and AGI/ARI interfaces.
Asterisk was created by Mark Spencer in 1999 and is the most well-known open-source PBX system, supporting multiple protocols including SIP and IAX.
FreeSWITCH was born in 2006, created by some of Asterisk's core developers, and was designed with a greater emphasis on high concurrency and modular architecture.
All Facts (7)
Asterisk is an open-source telephony system framework, essentially a software PBX that can handle SIP signaling, IVR voice menus, call routing, and recording.
50%UnverifiedLoad Bearing Empire uses an Asterisk 18.10 PBX for its phone system.
50%UnverifiedVAPI agents interface with Asterisk via the SIP protocol, bridging AI voice interaction with the traditional telephone network.
50%UnverifiedAsterisk is the most well-known open-source PBX software, supporting SIP trunking, IVR, call recording, conferencing, and queues, and can interact with external programs through dialplans and AGI/ARI interfaces.
50%UnverifiedAsterisk was created by Mark Spencer in 1999 and is the most well-known open-source PBX system, supporting multiple protocols including SIP and IAX.
50%UnverifiedFreeSWITCH was born in 2006, created by some of Asterisk's core developers, and was designed with a greater emphasis on high concurrency and modular architecture.
50%UnverifiedThe system migrated from a self-hosted Asterisk PBX backbone to the managed VAPI voice API to reduce operational costs and focus on business logic.
50%