Fred Posner

Fred has spent more than 20 years working with open source RTC software. From Kamailio/OpenSER to FreeSWITCH, SIP to RTP, Fred provides SIP/VoIP Engineer consultation services including architecture, design, support, troubleshooting, and more to enterprises, businesses, and carriers. In 2020, Fred founded APIBAN to help prevent unwanted traffic from impacting your RTC systems.