All Services Programming & Development Telecom $16/hr · Starting at $200 Have worked on Telecom application Push to Talk Have implemented Bulk SMS based on APIs like clicktell,Nexmo, Sinch etc. About $16/hr · Ongoing Download Resume Have worked on Telecom application Push to Talk Have implemented Bulk SMS based on APIs like clicktell,Nexmo, Sinch etc. 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Computer ProgrammersNetworking ProfessionalsSoftware DevelopersCisco Network EngineersPython DevelopersVoIP ServicesWeb ScrapersPerformance Testing ServicesJava DevelopersSecurity ConsultantsValidation EngineersManagement ExpertsUnix ProgrammersCloud Computing EngineersOpen Source DevelopersTwilio DevelopersJSON DevelopersApp DevelopersCisco Consultants