All Services Programming & Development Telephony Applications $25/hr · Starting at $25 Over 15 years working in Telecommunications industry on Analog, T1,E1, ISDN and VOIP products. Extensive experience with Dialogic APIs. About $25/hr · Ongoing Download Resume Over 15 years working in Telecommunications industry on Analog, T1,E1, ISDN and VOIP products. Extensive experience with Dialogic APIs. Skills & Expertise Telecommunications IndustryVoIPVxWorks 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts VoIP Services