All Services Engineering & Architecture Asterisk PBX, SIP , VOIP, $10/hr · Starting at $25 5+ years of experience in VOIP, PBX, call centre solutions, unified communications, Freepbx, vicidial, IP phones, VOIP gateways FXO,FXS, GSM,PRI, IVR solutions, Auto dialler implementation, trouble shooting SIP,RTP,TCP..etc About $10/hr · Ongoing Download Resume 5+ years of experience in VOIP, PBX, call centre solutions, unified communications, Freepbx, vicidial, IP phones, VOIP gateways FXO,FXS, GSM,PRI, IVR solutions, Auto dialler implementation, trouble shooting SIP,RTP,TCP..etc Skills & Expertise AsteriskCall CenterCommunication SkillsPBXPhone SupportSipVoIP 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Call Center ServicesVoIP ServicesCommunication Skill Managers