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 ProgrammersAudio Recording ServicesNetworking ProfessionalsSoftware DevelopersPython DevelopersVoIP ServicesWeb ScrapersPerformance Testing ServicesJava DevelopersWeb Application DevelopersCloud Computing ConsultantsSecurity ConsultantsValidation EngineersManagement ExpertsUnix ProgrammersCisco Network Devices ExpertsOpen Source DevelopersTwilio DevelopersJSON Developers