All Services Programming & Development Server Administration $5/hr · Starting at $25 VoIP professional, Asterisk IP PBX/FreeSwitch specialist, qualified system/server administrator. About $5/hr · Ongoing Download Resume VoIP professional, Asterisk IP PBX/FreeSwitch specialist, qualified system/server administrator. Skills & Expertise AsteriskFreeBSDFreeSWITCHLinuxPBXVoIP 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts VoIP Services