All Services Programming & Development IT Training $50/hr · Starting at $25 All kinds of SIP / VoIP training related to Asterisk appliances (FreePBX) as well as Asterisk / Kamailio complex configuration and SIP traffic routing. About $50/hr · Ongoing Download Resume All kinds of SIP / VoIP training related to Asterisk appliances (FreePBX) as well as Asterisk / Kamailio complex configuration and SIP traffic routing. Skills & Expertise AsteriskKamailioPrivate Branch Exchange (PBX)Session Initiation Protocol (SIP)TrainingVoIP 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts VoIP ServicesTrainers