Avaya Competitors

RingCentral, Inc. (NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement management, video collaboration, and messaging. Powered by advanced AI capabilities, RingCentral delivers intelligence at every phase of the conversation journey — before, during, and after each human interaction. With RingCentral, businesses can work smarter, respond faster, and connect more meaningfully with their customers. Visit ringcentral.com to learn more. Our decades-long leadership in reliable and secure cloud communications has earned us the trust of nearly 600,000 customers and millions of users worldwide. RingCentral is headquartered in Belmont, California, and has offices around the world.

Ciena (NYSE:CIEN) is the global leader in high-speed connectivity. We build advanced networks to support exponential growth in bandwidth demand—empowering our customers, partners, and communities to thrive in the AI era. With unparalleled expertise and innovation, our networking systems, interconnects, automation software, and services revolutionize data transmission and network management.

No matter how complex your needs, Windstream delivers solutions with superior performance, enhanced security and exceptional reliability. We offer more than 115,000 miles of fiber to provide you with faster, more reliable service nationwide. www.windstreambusiness.com