Unverified50% confidenceFactExact time

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.

1

Sources

50%

Confidence

Long-term

Relevance

9/11/2026

First Seen

Sources

AI Voice Agent Phone Integration: A Low-Cost Telephony Service Selection Guide

Related Entities

Asteriskproduct Mark Spencerperson

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