CALLR is a global voice and SMS service built to help brands create automated, personalized and… CALLR is a voice and messaging API available through REST, JSON-RPC and SDKs (PHP, Python, Ruby, Go, Node.JS, Swift, Java, .NET). It’s built with many features made to help brands create smarter interaction with their customers and prospects. Telco made easy!Thanks to our API, we are democratizing telcos: you don’t need to be a telco expert to thrive with it. We provide you with code samples, extensive documentation, and a reliable support team to help you achieve a faster go-to-market in your business comms projects. More Info »Flexibility Through OwnershipCALLR operates its own platform, so you can to cut out unnecessary intermediaries: no more black boxes! Our infrastructure built using open source technologies lowers your cost of ownership and grants you full end-to-end control over your business communications.All-in-one TelecomReach more than 220 countries with unparalleled call quality from a single service. Our API acts as your friendly and exhaustive helper to the world of telecoms: it facilitates your implementation of any service, including real-time call control, phone numbers, IAX, or call tracking.Enterprise-Grade ServiceEnsuring a reliable service is as critical for us as it for you; we take every step required to secure its continuity with exhaustive and automated monitoring processes. Should you need any help, you will promptly find a helpful, reactive and top-notch support team ready to jump in.Shared ExpertiseWe have the resources and expertise to help you thrive with your any VoIP phone systems: SIP or IAX. As a carrier, we operate our infrastructure in Europe and an interconnection network with tier 1 carriers in the rest of the world: you don’t have to worry about coverage or delivery.End-to-end Business CommsWe have been involved as carriers for more than nine years.
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