Ultatel is a recognized industry leader in business communications. With the power of cloud VoIP technology, we help businesses to be more productive and connect with their customers wherever they are.
Our plans come fully customizable and scalable with unlimited Calling, SMS, Fax, Chat, Video & 40+ Advanced Features.
The best part is, there are no hidden fees or charges! Thanks to our Transparent Pricing model, what you see is what you pay (unlike some other vendors).
A Gartner Category Leader and G2 High Performer, Ultatel aims to provide a unified communications platform that adapts to your companies' needs. Powered by our FlexScale technology, you can scale up or down seamlessly and instantly with no downtime or penalty.
Furthermore, our Award-Winning Customer Support department is there for you 24/7/365. With a 94% first-contact resolution, you'll have the peace of mind of being connected beyond limits.
Contact us today and schedule your discovery call or demo.
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T-Mobile for Business is a connectivity provider that helps organizations manage wireless service, business internet, devices, security, and network performance from one business-focused ecosystem. T-Mobile for Business provides next-level enterprise network solutions on America's Best Network* to supercharge your business. Leverage best-in-class mobile and business internet plans through one provider.
SuperMobile is the first and only business plan to elevate your critical communications with performance that intelligently adapts to your needs in real time, even in times of high demand, powered by the first-ever nationwide network slice for business. Plus, get cutting-edge privacy protections and robust encryption to keep your communications secure.
SuperBroadband delivers unbreakable connectivity nationwide, with unmatched coverage reaching every ZIP code in the U.S., including remote areas where legacy networks simply can't go. Stay online through virtually all outages and manage your connection needs through one contract with managed installation and end-to-end support.
T-Mobile for Business provides right-sized solutions tailored to your industry, enabled by the leader in 5G. T-Mobile Public Network, Hybrid Mobile Network, and Private Mobile Network deployments meet your business where you are at on your technology journey.
Core Infrastructure also includes backup connectivity options including dual-network redundancy, fixed wireless failover, and resilient LTE/5G backup for uninterrupted operations. Keep your business protected with T-Mobile for Business' enterprise cybersecurity solutions, with strong encryption, secure network design, and continuous threat monitoring.
*Based on analysis by Ookla of Speedtest Intelligence® data 2H 2025.
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Perimeta SBC
Alianza's Perimeta Session Border Controller (SBC) is a cloud-native and entirely software-based solution tailored to deliver secure, scalable, and adaptable voice and multimedia communication services. This SBC accommodates a range of deployment options, including VoLTE, VoNR, SIP trunking, and direct routing for Microsoft Teams, making it ideal for fixed-line, wireless, and enterprise interconnect scenarios. Operating on a zero-trust security framework, Perimeta provides exceptional protection for cloud infrastructures. Its innovative separation of media and signaling planes facilitates precise scaling in response to fluctuating demands. Additionally, it incorporates a secure distribution engine (SDE) for efficient load balancing and distributed admission management (DAM), which simplifies large-scale deployments. Compatible with various cloud environments—public, private, and hybrid—the SBC can be implemented on platforms like AWS, Azure, OpenStack, VMware, and ATCA hardware. This versatility ensures organizations can choose the optimal environment for their specific needs, enhancing operational efficiency and security.
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ProSBC
ProSBC stands out as a robust, carrier-grade Session Border Controller tailored for both service providers and enterprises, offering advanced functionalities. Capable of handling up to 60,000 simultaneous sessions, it boasts features such as media transcoding, STIR/SHAKEN compliance, fraud detection, and configurations designed for high availability. Its versatility allows it to operate seamlessly across a range of platforms, including VMware, KVM/Proxmox, AWS, Microsoft Azure, and bare-metal servers. This makes ProSBC an ideal choice for diverse applications like SIP trunking, enterprise SIP trunking, CPaaS access, and TDM-to-SIP migration. Furthermore, it is designed to be interoperable with leading VoIP platforms and carrier networks, ensuring wide compatibility. The system is user-friendly, with a web-based interface that simplifies deployment, operation, and management. Additionally, the optional TB Analytics feature pack provides valuable insights for diagnosing network issues. Importantly, the software's scalability—from a modest 100 sessions to a robust 60,000—ensures that your SBC can grow alongside your needs, providing flexibility and reliability as your demands evolve. This adaptability makes ProSBC an excellent investment for future-proofing communications infrastructure.
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