All Services Programming & Development Routers, Firewalls & Security $15/hr · Starting at $25 About $15/hr · Ongoing Download Resume Skills & Expertise AsteriskBashBillingCSSFedoraHTMLJavaScriptLinuxMySQLPBXPHPPostgreSQLRed HatRed5SipSmppTcp/ipTelephonyVoIPWindowsWindows XP 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts JavaScript DevelopersHTML DevelopersBilling ServicesVoIP ServicesMySQL DevelopersPostgreSQL DevelopersPHP DevelopersWindows XP ExpertsCSS DevelopersTelephony Services