AT&T is a provider of telecommunications and digital entertainment services for consumers and businesses.
Twilio is a cloud communication company that enables users to use standard web languages to build voice, VoIP and SMS apps via a web API.
Verizon Communications is a broadband and telecommunications company operating 4G LTE network, 3G network, and information services.
T-Mobile is a global mobile telephone operator.
Motorola Solutions is a data communications and telecommunications equipment provider.
Polycom is a multinational corporation that develops video, voice and content collaboration and communication technology.
Harmonic Inc. is a technology company that develops and markets video routing, server, and storage products for companies that produce, process, and distribute video content for television and the Internet.
Vocera Communications provides mobile communication solutions for hospital staff and mobile workers across diverse enterprise organizations.
Arris International Plc is a telecommunications equipment manufacturing company that provides cable operators with high-speed data, video and telephony systems for homes and businesses.
8x8 provides secure, reliable cloud-based, enterprise-class business phone systems, unified communications and contact center solutions.
Qualcomm is a semiconductor company that designs, manufactures, and markets digital wireless telecommunications products and services.
Telus Corporation provides a range of telecommunications products and services.