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CALLR & Telecom Basics
Acquire much-needed knowledge to understand the key telecom concepts and their implications. Discover our use cases and what you can do with them.
Tutorials and FAQs
Enjoy step by step guidance to learn how to use our API on the programming language you are used to: PHP, Python, Ruby or NodeJS.
SIP & IAX
Find resources to help you install, configure and diagnostic your SIP trunking service as well as answers to VoIP frequently asked questions.
Find getting started guides and tutorials to learn how to make the most of SENDR, our web interface allowing you to create voice and SMS campaigns straight from the web.