CALLR is a voice and messaging API available through REST, JSON-RPC and SDKs (PHP, Python, Ruby, Go, Node.JS, Swift, Java, .NE ...

Plivo is a voice and SMS API platform that enables developers and enterprises to build powerful apps with great features. With ...

Multi-channel: New devices and technologies have changed consumer communications and expectations leading many corporations to ...

Voximplant is a cloud platform for developing real-time communication apps with full control over voice and video. Our cloud a ...

Dimelo facilitates the digital transformation of companies by helping them expand and steer their omni-digital customer relati ...

RingRoost allow freelancers and small businesses to setup a professional phone system, without having to pay the high prices t ...

Unchained resources : Voximal integrates cloud speech services like Google Speech API, IBM Watson SpeechToText, Azure Bing Sp ...

Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PB ...

Free Click to Call Receive web calls from your site free. Talkie is a free service to communicate with your customers visiting ...

Aspect Prophecy is a powerful, entirely standards-based platform for speech, IVR, and SIP VoIP applications. Prophecy is the w ...

Slingshot VoIP is a cloud-based communications provider that specializes in business VoIP service. Our platform delivers carri ...

VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323). Basic pac ...

Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We f ...

Use Existing Infrastructure : Cisco VoiceXML service can be combined with Cisco IOS Software Voice Gateway services or used as ...

XiVO is a scalable platform based on Asterisk that offers a free and complete PBX solution. It is licensed under the GPLv3. A ...