Fred Posner, Kamailio Consultant,
VoIP Engineer and Baker

yes, baker
Fred's primary role is a VoIP Consultant, specializing in Open Source software including Asterisk, Kamailio (formerly OpenSER), and FreeSWITCH.

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.


Don't even try to pronounce it... =)

q, x, o, r, and k are all letters that rarely get confused with other letters when spelled out loud. It's often a handle I use when coding, qxork.

Not the most interesting story, but the truth rarely is.

VoIP Consultant

Fred Posner is a VoIP Consultant — Don't like the word consultant? No problem. Neither do I. Call me an Engineer, developer, implementer, or just Fred.

Bottom line, I work with Kamailio, Asterisk, FreeSWITCH, and other open source VoIP products — staying commited to my clients' success.

Contact Fred

Direct: +1 (224) 334-3733 (FRED)
Email: fred@qxork.com
SIP: sip:fred@hdef.me

I'm Social