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Telestax is the leading CPaaS enabler for communications service providers and creator of the award-winning Restcomm API platform. Originating in the largest industry open source community, managed by Telestax, Restcomm has been tested by over 10,000 telecom developers and contains over 6 million lines of code. As a trusted partner in real-time communications, Telestax delivers Restcomm Cloud to innovative companies around the world. When service providers join with Telestax, their customers gain the advantage of a superior network and full CPaaS capabilities such as programmable SMS and voice. With bring your own carrier options, white labeling, and a complete suite of voice and messaging APIs, service providers benefit from new revenue streams and a competitive edge in the evolving digital transformation marketplace. Restcomm Cloud removes the friction in application development and business workflow integration with user-friendly tools like the Visual Designer. The Telestax RESTful API gives experienced developers control to create robust omnichannel applications alongside technologies such as advanced IVR and intelligent chatbots. Learn more about Telestax, Restcomm Cloud, and CPaaS enablement at www.telestax.com today.

Website http://www.telestax.com
Revenue $5.7 million
Funding $5.5 million
Employees 25 (0 on RocketReach)
Founded 2011
Address 9600 Escarpment Blvd, Ste 745, Austin, Texas 78749, US
Phone +1 614-777-1000
Technologies
Industry Software, Telecommunications, Software Development & Design, Enterprise Software, Cloud Communications, Design, SS7, Open Source, JAIN SLEE, SIP Servlets, Hardware, Diameter, IMS, Media, RCS, XMPP, IN, SIP, SMSC Gateway, USSD Gateway, RestComm, WebRTC, REST API, Telco APIs, Telephony APIs, In-app native call SDK
Web Rank 5 Million
Keywords Cpaas, Communications Service Providers, Communications Platform As A Service, Communication Solutions, Real-Time Communication, Api Platform, Telecommunications, Unified Communications, Messaging Api, Voice Api, Video Api, Open Source Community, Software Developer, Contact Center
Competitors Twilio, RingCentral, Vonage, 8x8, Bandwidth Inc., Plivo, SignalWire, OpenStack, Matrix.org +37 more (view full list)
SIC SIC Code 737 Companies, SIC Code 73 Companies
NAICS NAICS Code 511 Companies, NAICS Code 5112 Companies, NAICS Code 51 Companies

Telestax Questions

The Telestax annual revenue was $5.7 million in 2026.

Telestax is based in Austin, Texas.

The NAICS codes for Telestax are [511, 5112, 51].

The SIC codes for Telestax are [737, 73].

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