Avaya SBC Verified Customer Reviews (2026)

Ultatel stands out as a prominent leader in the field of business communications. By leveraging advanced cloud VoIP technology, we empower businesses to enhance their productivity and maintain seamless connections with their customers, no matter their location. Our offerings are designed to be fully customizable and scalable, featuring unlimited Calling, SMS, Fax, Chat, Video, and over 40 Advanced Features to meet diverse needs. One of the most appealing aspects of our service is our commitment to Transparency in Pricing; you won’t encounter any hidden fees or unexpected charges, ensuring that what you see is indeed what you pay, unlike some competitors. As a recognized Gartner Category Leader and G2 High Performer, Ultatel is dedicated to delivering a cohesive communications platform that evolves alongside your company's requirements. Our innovative FlexScale technology allows you to adjust your service capacity effortlessly and immediately, without any interruptions or penalties. In addition, our award-winning Customer Support team is available around the clock, every day of the year. With an impressive 94% first-contact resolution rate, you can trust that you’ll receive exceptional assistance whenever you need it. Don't hesitate to reach out to us today to arrange your discovery call or demo, and experience how Ultatel can transform your business communications! Your satisfaction is our priority, and we look forward to partnering with you for success.

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ProSBC is a powerful, carrier-grade Session Border Controller specifically designed for service providers and enterprises, featuring a wide array of advanced functionalities. With the capability to manage as many as 60,000 concurrent sessions, it includes essential features like media transcoding, STIR/SHAKEN compliance, fraud detection, and high availability configurations. Its flexibility allows it to run effortlessly on various platforms such as VMware, KVM/Proxmox, AWS, Microsoft Azure, and bare-metal servers. This versatility positions ProSBC as a perfect solution for applications like SIP trunking, enterprise SIP trunking, CPaaS access, and TDM-to-SIP transitions. Moreover, it is built to be compatible with leading VoIP platforms and carrier networks, ensuring broad interoperability. The system is designed with user convenience in mind, featuring a web-based interface that streamlines deployment, operation, and management processes. Additionally, the optional TB Analytics feature pack offers critical insights for troubleshooting network challenges. Notably, the software's scalability—from as few as 100 sessions to an impressive 60,000—grants your SBC the ability to expand as your requirements grow, providing both flexibility and dependability as your business evolves. This adaptability not only enhances its utility but also makes ProSBC an excellent choice for future-proofing your communications infrastructure and ensuring seamless connectivity as technology advances.