Fred Posner

SIP Expert

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SIP Expert, VoIP Consultant

Fred Posner provides VoIP Consultant services through LOD Communications and The Palner Group, Inc. Active in the VoIP community, Fred works to empower business through professional communication systems.

Why SIP?

From voice to video, phones to webrtc, SIP connectivity remains essential to communication. An incredibly complex set of RFCs cover this protocol and having a seasoned expert's assistance can help with design, deployment, and troublshooting.


From Fortune 50 companies to family owned small businesses, Fred provides every customer with expert knowledge and real-world experience. Fred can provide you with custom programming, design, implementation, troubleshooting, emergency support, and more.

From call centers to database integration, carrier grade systems to simple IVR assistance, Fred’s experience with Asterisk, FreeSwitch, OpenSER (Kamailio), and other VoIP products will provide you the quality communications solution you need. Expert consultant services provided remotely or on-site with 24/7/365 response available.


Fred actively participates in the VoIP Community, including ClueCon, Astricon, Kamailio World, and other groups/events providing support for Open Source and branded communication software.

About Fred Contact Fred


Open Source Software Myths

Astricon 2018: When should you use Kamailio?

ClueCon: Kamailio as a SIP Edge Router

SIP Expert / Voice Engineer

Open Source VoIP Consultant

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Kamailio expert, speaker, and consultant. Proudly working with Kamailio/OpenSER since 2005.

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Asterisk expert, speaker, and consultant. Proudly working with Asterisk since 2003.

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FreeSWITCH Support

FreeSWITCH expert, speaker, and consultant. Proudly working with FreeSWITCH since 2008.

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