Fred Posner

Kamailio Consultant, VoIP Engineer, SIP Expert, and Baker

Yes, Baker.

Fred's primary role is a VoIP Consultant, specializing in Open Source software including Asterisk, Kamailio (formerly OpenSER), and FreeSWITCH. Fred enjoys envagenlizing open source telecom and has spoken at Astricon, ITEXPO, Cluecon, Asterisk World, and more.


VoIP Engineer

For more than 15 years, Fred Posner has provided VoIP consulting services; specializing in open source communication products such as Kamailio, Asterisk, and FreeSWITCH. Clients utilize Fred's services for design, implementation, and support (including emergency support).

Fred provides consultation services through The Palner Group, Inc. and LOD Communications. Clients include carriers, call centers, large enterprises, as well as small to mid sized businesses.


Not just a pretty face...

Learn more about Fred and the services he provides:


It's not a word to pronounce... just letters that rarely get confused when spelled out loud (over a phone for example). It's often a handle I use when coding, qxork. Not the most interesting story, but the truth rarely is.

Kamailio Expert
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Fred Posner provides expert Kamailio consulting and assistance. Learn more

Asterisk Expert
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Fred can help with your Asterisk Consulting needs. Learn more

FreeSWITCH Expert
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Looking for a FreeSWITCH expert? Look no further. Learn more