Fred Posner

Kamailio Consultant, VoIP Engineer, SIP Expert

About Fred

SIP Expert. Kamailio Consultant. VoIP Engineer. Dad.

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Fred aka qxork

Fred Posner profile photo

Fred Posner provides VoIP consulting services through The Palner Group and LOD Communications.

From 2010 to 2020, Fred Posner helped his wife, Yeni Monroy, run their bakery, in Gainesville, Florida.

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.

Fred Posner Dad

When not working, Fred loves riding his motorcycle, eating, photography, and spending time with family (this includes friends, because "Friends are the family you choose").

For more than 20 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). He enjoys attending (as well as speaking) at VoIP conferences such as Kamailio World, Astricon, Cluecon, ITExpo, and others.


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

Fred is a contributor to the Kamailio project, a member of the management board, and a proud / honored recipient of two of the 2010 Kamailio Awards and a 2019 Simcon Award.

Fred and Yeni at Kamailio World

Open Source VoIP Consultant

SIP/VoIP Engineer specializing in Kamailio, FreeSWITCH, and Asterisk.