All Services Programming & Development VoIP developer $16/hr · Starting at $50 I'm working as VoIP integration admin and developer to support customer to build and debug any issue with VoIP system and application. About $16/hr · Ongoing Download Resume I'm working as VoIP integration admin and developer to support customer to build and debug any issue with VoIP system and application. Skills & Expertise AsteriskBitrix24Contact Center ConsultingElastixFreepbxPBXSipSoftware DevelopmentSugarCRMTelecommunications SystemsTwilioTwilio APIVoIPZoho CRM 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Bitrix24 CollaborationVoIP ServicesTwilio API DevelopersSugarCRM DevelopersSoftware DevelopersTelecommunications Systems ManagersTwilio Developers