Fred Posner
Voice Architect, VoIP Consultant at LOD Communications, Inc.
Gainesville, Florida, United States
Summary
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SeniorFred Posner is a seasoned VoIP consultant and Voice Architect with 13+ years designing and supporting large-scale Open Source telephony systems from his base in Gainesville, Florida. As director and lead engineer at The Palner Group and longtime senior engineer at LOD Communications, he specializes in Kamailio/OpenSER, Asterisk, FreeSWITCH, Linux, and SQL/database optimization for high-availability VoIP and emergency support environments. He blends hands-on architecture with 24/7 operational experience, routinely tuning databases and platforms to meet demanding RTC scale and reliability needs. An active open-source enthusiast and contributor in the VoIP/RTC community, he brings practical implementation knowledge across SIP routing, PBX integrations, and performance debugging. Colleagues know him for turning complex telecom requirements into pragmatic, supportable solutions and for quietly balancing technical leadership with client-facing consulting. Outside work he’s a committed family man and vocal advocate for open-source tooling in production telephony.
13 years of coding experience
Spanish, English
Github Skills (37)
markdown10
sip-server10
matrix10
kamailio10
telephony10
voip10
sip10
iot10
chat10
webrtc10
freeswitch10
kaios9
api9
traffic9
rest-api9
Programming languages (8)
Github contributions (5)
fredposner/kamailio-1
May 2015 - Oct 2017
Contributions:2 PRs, 19 pushes, 1 comment in 2 years 4 months
kamailiosipsip-server
palner/pgrtools
Aug 2020 - Feb 2025
Contributions:11 releases, 57 pushes, 1 branch in 4 years 6 months
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