Compare Rainbow Office vs. SIPTECH

Voice. Text. Video. Fax. Conferencing. Collaboration. Phone.com is the modern, flexible, work-from anywhere solution for today's mobile entrepreneurs and growing businesses. Phone.com offers advanced business phone features that your growing business requires to serve customers professionally and effectively. Advanced call handling options can enhance your company's image. Mobility features allow you to stay connected with customers, colleagues, and partners from anywhere, anytime.

RingCentral RingEX, a powerful cloud-based telephone system, helps optimize your business communication. RingCentral RingEX provides enterprise-grade communication tools, including voice, fax and text, as well as BYOD (bring your own device) capability. This allows you to work wherever and however you choose. RingCentral RingEX's core features include auto-recording and conferencing as well as unlimited long-distance calling and local calls. RingCentral RingEX can be customized to suit your needs by configuring call management features such as call forwarding, message alerts and missed-call notifications.

Nextiva combines AI, automation, and omnichannel communication into a single platform that transforms customer experience. It empowers businesses to meet customers on their preferred channels—voice, SMS, email, chat, social, or video—while providing teams with a unified interface to manage interactions. The platform’s customer journey orchestration engine delivers real-time actionable insights, allowing companies to anticipate needs and automate key workflows. With AI-driven automation, organizations can increase self-service containment, reduce costs per interaction, and improve resolution rates. Nextiva is also designed to enhance workforce engagement with tools that prevent agent fatigue, streamline collaboration, and boost retention. Its open architecture and REST API foundation ensure scalability, security, and compliance, even in hybrid or regulated environments. Recognized by TrustRadius, G2, and Gartner, Nextiva has become a top choice for organizations seeking both innovation and reliability. By consolidating technology and reducing IT overhead, businesses maximize ROI while unlocking better customer outcomes.

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.

Aircall transforms business communications with an intelligent, cloud-based phone system built for modern sales and customer support. More than just a calling tool, it provides an all-in-one hub that connects phone, SMS, and WhatsApp conversations in a single platform. Its AI Assist Pro feature delivers real-time coaching during calls and simplifies follow-up, enabling reps to sell smarter and resolve support issues faster. Teams can leverage advanced capabilities like call routing, IVR, analytics dashboards, and power dialers to maximize efficiency. With integrations across Salesforce, HubSpot, Zendesk, Intercom, Shopify, and 100+ other apps, Aircall seamlessly fits into existing workflows. Businesses benefit from reliable call quality, international number coverage, and scalable features that grow with their needs. Customer stories highlight improvements such as a 4% increase in CSAT scores and the ability to process 25,000+ calls per month with stability and ease. Aircall makes customer conversations more personal, productive, and impactful—without the complexity of traditional systems.

At VirtualPBX, we offer a comprehensive suite of communication solutions tailored specifically for businesses like yours. This includes our versatile business phone plans, which are designed to be both flexible and scalable, allowing you to customize features such as call routing, voicemail, and conferencing to meet your organization's unique needs. With our contact center solutions, we empower you to enhance your customer service and support efforts through features like interactive voice response (IVR), call queuing, and real-time monitoring. Additionally, our business texting service enables convenient communication with both customers and colleagues via SMS. And if you're looking to transition from traditional analog phone systems, our Airdial Pots replacement solutions offer a seamless move to modern, cloud-based alternatives. Overall, at VirtualPBX, we're dedicated to equipping businesses like yours with the necessary tools to streamline communication, improve customer service, and enhance overall productivity. Get a free demo today!

3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.

Cloudbrink's secure access service boosts employee productivity and morale. For IT and business leaders whose remote employees cannot be fully productive due to inconsistent network performance, Cloudbrink’s HAaaS is a high-performance zero-trust access service that delivers a lightning-fast, in-office experience to the modern hybrid workforce anywhere. Unlike traditional ZTNA and VPN solutions that trade off security for user performance, frustrate employees, and slow productivity, Cloudbrink’s service secures user connections and solves the end-to-end performance issues that other solutions fail to address. Cloudbrink's Automated Moving Target Defense security is ahead of any other secure access solution. Rated by Gartner as the "future of security", Cloudbrink is leading the way. By constantly changing the attack surface, it is significantly harder to identify and attack a Cloudbrink user's connection. ==> Certificates are rotated every 8 hours or less ==> There are no fixed PoPs - users connect to three temporary FAST edges ==> The mid-mile path is constantly changed If you are looking for the fastest most secure remote access connectivity solution, you have found it with Cloudbrink.

Ditto is the only mobile database with built-in edge device connectivity and resiliency, enabling apps to synchronize without relying on a central server or constant cloud connectivity. With billions of edge devices and deskless workers driving operations and revenue, businesses are hitting the limits of what traditional cloud architectures can offer. Trusted by Chick-fil-A, Delta, Lufthansa, Japan Airlines, and more, Ditto is pioneering the edge-native revolution, transforming how businesses connect, sync, and operate at the edge. By eliminating hardware dependencies, Ditto’s software-driven networking is enabling businesses to build faster, more resilient systems that thrive at the edge – no Wi-Fi, servers, or cloud required. Through the use of CRDTs and P2P mesh replication, Ditto's technology enables you to build collaborative, resilient applications where data is always available and up-to-date for every user, and can even be synced in completely offline situations. This allows you to keep mission-critical systems online when it matters most. Ditto uses an edge-native architecture. Edge-native solutions are built specifically to thrive on mobile and edge devices, without relying solely on cloud-based services. Devices running Ditto apps can discover and communicate with each other directly, forming an ad-hoc mesh network rather than routing everything through a cloud server. The platform automatically handles the complexity of discovery and connectivity using both online and offline channels – Bluetooth, peer-to-peer Wi-Fi, local LAN, WiFi, Cellular – to find nearby devices and sync data changes in real-time.

ADManager Plus is an effortless and user-friendly solution for managing and reporting on Windows Active Directory (AD), designed to assist both AD administrators and help desk staff with their daily operations. Featuring a centralized and user-friendly web interface, this software addresses a range of intricate tasks, including the bulk management of user accounts and various AD objects, delegation of role-based access to help desk personnel, and the generation of a comprehensive array of AD reports, many of which are critical for compliance audit purposes. Additionally, this Active Directory tool provides mobile applications that enable AD administrators and technicians to carry out essential user management functions from their smartphones or tablets while on the go. It simplifies the process of creating multiple users and groups in Office 365, managing licenses, establishing Exchange mailboxes, migrating existing mailboxes, setting storage limits, and adding proxy addresses, thereby enhancing overall efficiency. With its robust features, ADManager Plus stands out as a vital asset for organizations aiming to streamline their AD management processes.