All Services Programming & Development Enterprise CRM, Web Application & VoIP $20/hr · Starting at $100 * Carrier-grade VoIP Telephony Systems I can offer support in English, Spanish and Hindi round-the-clock. About $20/hr · Ongoing Download Resume * Carrier-grade VoIP Telephony Systems I can offer support in English, Spanish and Hindi round-the-clock. Skills & Expertise AsteriskJavaScriptPHPTechnical SupportVoIPWeb Application DesignWeb Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts VoIP ServicesJavaScript DevelopersTechnical Support SpecialistsWeb DesignersPHP Developers