Fred Posner

Kamailio Consultant / Expert

Kamailio Expert specializing in Kamailio (formerly OpenSER) consulting.

Kamailio, an open source SIP server, provides an extremely scalable solution capable of handling thousands of calls per second. With features such as encryption, ENUM, least cost routing, accounting, authentication, fail-over, and more, Kamailio provides an incredibly scalable solution perfect for call centers, enterprises, carriers, and any mission critical task.

Professional Kamailio Consulting

Fred Posner provides openSER (Kamailio) consultant services through LOD Communications and The Palner Group. Active in the VoIP community, Fred works to empower business through professional communication systems.

Core Belief

Your phone system must increase productivity. If your current solution forces you to work within boundaries then you need to talk with Fred about switching to an open source telecommunication solution.

As a Kamailio Consultant, Fred first works to understand your business process. Then, it's time to make your process more efficient and productive.


From Fortune 100 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 the VoIP Users Conference, AstriCon, and other groups providing support for Open Source and branded communication software.

Fred is a contributor to the project and a proud and honored recipient of two of the 2010 Kamailio Awards.

Kamailio Cookies

Thanks to his wife's bakery, Fred loves to promote Kamailio through cookies. If you see Fred at an event, don't hesitate to ask for a cookie.

Kamailio Cookies from Bearkery Bakery

I Love Kamailio

Fred was honored to present Why I Love Kamailio at Kamailio World 2017 in Berlin.

Asterisk Expert

Asterisk Expert

Fred Posner provides expert Asterisk consulting and assistance.

» Asterisk Consulting

Kamailio Expert

Fred Posner provides expert Kamailio consulting and assistance.

» Kamailio Consulting
Kamailio Expert
FreeSWITCH Expert

FreeSWITCH Expert

Fred Posner provides expert FreeSWITCH consulting and assistance.

» FreeSWITCH Consulting