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Starts in minutes, no string attached, trusted by 450K+ users

Industry-leading 100+ features, full unified communications

Certified auto-provisioning support for 120+ ITSPs globally and 270+ mainstream phone models

Simple user app for Andriod, iOS, Windows, macOS, and Web

Call Center, Omnichannel Messaging, Video Conferencing, Microsoft Teams integrations, and more advanced features

30-day free trial: Self-hosted, 20 Extensions, 4 Concurrent Calls.

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What is a virtual PBX?

A virtual PBX is an IP-based phone system that is hosted offsite and operates using Internet connections. Unlike traditional phone services, virtual phone system doesn’t require onsite PBX hardware and physical phone lines. It relies on cloud-based software & VoIP (Voice over Internet Protocol) technology to manage calls and is often hosted by the service provider or deployed in a cloud service. As a result, virtual PBX solution is often referred to as cloud PBX or hosted PBX. Typically, a virtual PBX phone system offers all the functions of a traditional phone system and provides something beyond.

Virtual PBX phone system is an ideal solution for small businesses to establish a professional presence without breaking the bank.

Take Yeastar as an example.

The Cloud and Software Edition of Yeastar P-Series Phone System are virtual PBX that offers companies of all sizes with a complete solution for calls, video, messaging and integrations, out of the box. With inbuilt easy visual call management, integrated web meeting, advanced contact center features, and ready-made WhatsApp, SMS, Microsoft Teams, CRMs, and more platform integrations, it boost user experience and productivity at all levels.

With provider-hosted Cloud PBX, you only need internet-connected devices like computers, laptops, and mobile devices to work. Just log in to your account and you are ready to go. With self-managed phone system (virtual PBX software), you can install the PBX on your own private & secure cloud server, enjoying all the benefits of the cloud while getting complete hands-on control.

Yeastar Virtual PBX System at a Glance

What is a virtual PBX?What is a virtual PBX?

Benefits of Virtual PBX

As an IP PBX, virtual business phone system offers advantages at all business levels: functional, operational, and financial.

Cost savings, higher ROI


  • Little-to-zero CAPEX investment. By omitting the on-premise PBX system on your premises, you reduce the initial CAPEX and long-term maintenance costs. Your service provider typically takes care of all the phone system upkeep.
  • Reduced call billing. A virtual or cloud PBX is not limited to any geographical location, which could lead to massive call savings on long-distance calls. Your remote offices and workers can access the same phone system from anywhere and make free internal calls. Plus, Yeastar virtual PBX system lets you bring your own business numbers and SIP trunks. You decide your calling plans and can make a change at any time. No more limited bundles.
  • System always up to date. With Yeastar virtual phone system, you don’t have to shoulder the burden of upkeep. Your cloud communications system is continually updated to deliver the latest in communications technologies.

More features and future-proof


  • Internal business communications + contact center. With Yeastar virtual PBX, you move to unified communications with one simple platform for all communication channels. Hosted PBX system, video conferencing, omnichannel messaging, call center, team chat, voicemail, call recording, and more—everything is included in low, monthly/annually cost, and available from a simple app.
  • Rich business tools integrations. The Yeastar PBX’s out-of-box integrations with Microsoft Teams and CRM platforms such as HubSpot, Salesforce, and Zoho also enable seamless data sync across platforms, streamlined business workflows, and boasted employee productivity. Explore our integrations on our App Marketplace

Friendly for remote workers & offices


  • Whether you’re a multi-site corporation or a virtual company comprised of telecommuters, a virtual IP PBX can give instant communications between offices and employees at no cost. Your offices in the Unified States, England, or anywhere in the world can use the same phone system and share local phone lines while remaining a global corporate identity. Yeastar virtual phone system bridges distance, enabling collaboration among teams situated around the world.
  • Equip your employees with the flexibility to work anywhere (at home, in the office, or somewhere in between). Yeastar virtual PBX allows for complete integration of mobile devices with Linkus UC Clients. With Linkus, your mobile phones, tablets, and laptops are integrated and have all the functionality of an office extension. Users can call make and receive calls, access to company directory & contacts, and more using their business extension.

Easier configuration and management


  • Get set up faster. No need to fumble with wires or hire a professional. With Yeastar PBX, you can have your virtual phone service up and running in a day or less. It just takes a few clicks to add extensions, user groups, and set up the call routing and advanced call features. And you can do it yourself! Through an intuitive web-based management portal, you can manage the entire system online—no obscure certifications required.
  • Granular user permission. Yeastar virtual business phone system deploys permission control based on user roles. Give your team their own credentials to access all areas of your phone system or just limited permissions for specific functions. It’s all up to you!
  • Easy for everyone. Yeastar PBX is easy to use with purposely-built Linkus UC apps (iOS, Andriod, Windows, macOS, web-browser). Each user can personalize how they receive and handle their calls without IT assistance on the app. E.g. Customizing call forwarding rules, voicemail greetings, notifications for missed calls, etc.
  • No server maintenance. Using a Yeastar-hosted virtual PBX removes the need for maintaining on-premise servers on your own. We take care of server upkeep, troubleshooting, performance monitoring, and software updates.

Easy scalability & Interoperability


  • Scalability. With its fast, hardware-free setup, Yeastar virtual PBX is especially well-suited to businesses anticipating growth. You can scale up users at any time as needs change.
  • Endpoints flexibility. Enjoy the flexibility to use any types of phone terminal you wish. Employees can make and receive phone calls using an IP phone, desk phone, headset, or Yeastar Linkus UC Clients (a free softphone running on a mobile, web, or computer desktop). The solution’s broad IP phone interoperability and headset integrations provide an easy plug-and-play.
  • Bring your own number & provider. You are not tied to one SIP trunk provider. Yeastar virtual PBX is built open-standards and has an inbuilt ITSP provisioning module, so you can bring your own SIP trunk providers.

Enterprise-grade Security & High Availability


  • Security. Yeastar virtual PBX employs a comprehensive security strategies to keep user data safe. Aside from high-level encryption that protects VoIP phone calls, there are other measures including SBC, auto & statics defense, IP access restriction, and password policy enforcement for account protection. Users can also leverage the advanced set of administration tools and services to prevent system breaches from the very foundation.
  • High availability. Yeastar cloud PBX is delivered on a carrier-grade infrastructure redundant across globally dispersed data centers. Our highest standard of active/active high availability architecture, real-time PBX failover, and more redundancy mechanisms are in place to ensure the best peace of mind. For users who choose to self-hosted the phone system, Yeastar software-based virtual PBX has inbuilt local redundancy and disaster recovery setups to ensure business continuity in case of unforeseen events.

What else to expect with Yeastar virtual PBX?

Besides the above benefits, take advantage of all the following Yeastar innovative PBX features that power connections today and tomorrow. Yeastar business phone system is trusted by over 450,000 customers worldwide.

Call, Video, Message, in One App

Call, meet, and message are all integrated into one single app. Take the flexibility to work from anywhere, through any device with Yeastar Linkus UC Clients (web/mobile/desktop). Learn more

Drag-and-drop Operator Panel

Get a holistic view of your company call activities in one view. It’s easy to drag and drop to dispatch incoming calls to extensions, ring groups, queues, etc. based on their real-time availability.

Productive Call Center

Visualize, manage, and monitor your call activities in queues with ease in real time. The call center console empowers you with a dynamic Queue Panel, Wallboard, and all agent productivity tools in one place. Learn more

Omnichannel Messaging

Support your customers through WhatsApp & SMS messaging and collaborate with colleagues via internal team chats & file sharing. Send, receive, and manage all chats and messages in one place. Learn more

Comprehensive Reports

Monitor call usage, device status, and alerts. Use pre-built live reports, performance reports, and more.

Out-of-the-box Integrations

Bring your SIP trunks, IP phones, headsets, and more to create a tailored experience, and connect it with Microsoft Teams and popular CRMs, such as Hubspot, Salesforce, Zoho, etc. All integrations are made ready out of the box. Learn details

Unified Communication App

PBX Operator Panel

Yeastar virtual pbx call center wallboard

WhatsApp Chat, SMS Messaging, and Internal Team Chats

call reports and analytics

PBX integrations with Microsoft teams, zoho, salesforce, etc

How-tos & Further Readings

What does PBX stand for?


PBX stands for Private Branch Exchange. It’s as an internal telephone network of a business or other entity. A PBX usually delivers business telephony features such as Auto Attendant, Call Forwarding… Read full

How to set up a virtual PBX?


It depends. If it’s a Cloud PBX hosted by a service provider, you will only need to get an account from your provider, then you can log into the system and configure your custom call routings, numbers, etc. If you choose a software PBX and want to deploy the software on your own infrastructure, then you will do the extra steps of server and network settings.

How does a virtual IP PBX work?


A virtual IP PBX can transport data over the Public Switched Telephone Network (PSTN), over the Internet (through VoIP technology), or a combination of both. Once set up, your phone terminal will connect to the PBX host via the internet, and your connection will remain open to…Read full

How to choose a virtual business phone system?


With so many options out there, it can be hard to figure out which virtual phone system is the best for your business. In this Business Phone System Buyer Guide. we explain the four key factors to consider and a simple feature checklist to help you compare and shortlist your options.

Is Virtual PBX the same as VoIP?


While they are related, Virtual PBX and VoIP are not exactly the same thing. VoIP is the technology that allows voice calls to be made over the internet rather than through traditional copper-wire networks.

PBX (Private Branch Exchange Systems), on the other hand, refers to the telephone system used by businesses to manage and route calls. Virtual PBX leverages VoIP technology to manage business calls, eliminating the need for physical telephony infrastructure.

Can I keep my phone number with a Virtual PBX?


Yes, you can keep your phone numbers with Virtual PBX. Virtual PBX allows you to port your existing phone numbers to their service, which means you can transfer your numbers from your current provider to Virtual PBX without having to change your phone number. This process is called number porting, and it is a common practice in the telecommunications industr

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