All Services Programming & Development Telephone Systems $100/hr · Starting at $100 I am a PBX veteran and open source telephony enthusiast. I have co-authored two FreeSWITCH books and I enjoy consulting for those who employ FreeSWITCH in their businesses. About $100/hr · Ongoing Download Resume I am a PBX veteran and open source telephony enthusiast. I have co-authored two FreeSWITCH books and I enjoy consulting for those who employ FreeSWITCH in their businesses. Skills & Expertise ConsultingFreeSWITCHOpen SourcePBXTelephony 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Telephony ServicesOpen Source Developers