OpenTouch Session Border Controller Verified Customer Reviews (2026)

Signalmash is a communications platform built for teams that need both robust infrastructure and direct, responsive support from real people. Instead of layered plans and slow ticket systems, we provide straightforward access to experts who help you move faster and improve customer engagement. Enterprise customers collaborate with our engineers through a dedicated Slack workspace. Our platform connects directly to Tier-1 carriers including AT&T, Verizon, and T-Mobile, and delivers a 94% first-time approval rate for 10DLC registrations. Capabilities Messaging SMS (10DLC, short code, toll-free) RCS messaging with rich media via API and no-code tools Voice SIP trunking, VoIP, inbound and outbound calling Numbers & Identity Local, toll-free, and short code numbers Branded Caller ID (BCID) Data & Lookup CNAM (caller ID) data Carrier and line-type identification (wireline vs. wireless) Federal DNC status checks Signalmash brings together carrier-grade performance with a hands-on, partnership-driven support experience.

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.

The VSXi Session Border Controller (SBC) by Sansay is a powerful software-based solution tailored for communication service providers, offering critical features such as security, NAT, protocol normalization, and efficient session management. It possesses the capability to manage up to 500,000 simultaneous calls and 1 million SIP registrations, providing the scalability required for large-scale implementations. The VSXi is particularly adept at supporting SIP trunking applications, effectively addressing needs related to Least Cost Routing and NAT traversal. In addition, it offers programmable SIP trunking capabilities that cater to both authenticated and unauthenticated trunks, with features like extension-to-extension dialing, call forwarding, and failover options. It also facilitates seamless integration with Microsoft Teams through Direct Routing, allowing users to make, receive, and transfer calls between Teams and the public switched telephone network (PSTN). The flexibility of the VSXi is further demonstrated by its deployment capabilities in cloud environments, and it includes APIs that enable extensive integration and customization, accommodating the varied requirements of service providers. This adaptability not only enhances infrastructure but also empowers service providers to optimize their communication services effectively. Overall, the VSXi stands out as a critical component in modern telecommunication ecosystems.