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A virtual phone system is a provider-hosted business telephone service that uses Voice over Internet Protocol (VoIP) to carry calls and cloud-based phone-system software to manage numbers, extensions, and call routing. Employees can often use it through desktop or mobile apps; compatible VoIP desk phones may also be supported, but an office PBX or desk phone is not inherently required.
What does “virtual phone system” mean?
The term usually describes a business phone service hosted in the cloud rather than a telephone switching system installed at the company’s premises. The provider runs the core service, while the business and its employees use supported devices and apps to place, receive, and direct calls. Zoom describes its cloud PBX as a remotely hosted virtual PBX that uses VoIP to answer and route calls (Zoom’s cloud PBX overview); RingCentral likewise describes a virtual phone system as a cloud-based service available from internet-connected devices (RingCentral’s virtual phone system overview).
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“Virtual phone system” is a broad product description, not a guarantee that every provider or plan includes the same features. A service may bundle calling with tools such as auto attendants, extensions, or administration features, but the exact package depends on the provider and plan.
How does a virtual phone system work?
VoIP carries the call
VoIP stands for Voice over Internet Protocol. It carries voice audio as data across IP networks; the receiving endpoint reconstructs that data as sound. This is the transport technology for the call, rather than the whole business phone system (RingCentral’s VoIP explanation).
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- Ooma has been rated the top phone service by Consumer Reports.
Cloud PBX software handles business-phone functions
A private branch exchange (PBX) is a telephone switching system for an organization. A traditional PBX is installed on-site; a cloud PBX places those phone-system functions on provider-hosted infrastructure. Its software can direct incoming calls, connect users through extensions, and provide features such as auto attendants. Some services also offer browser-based administration (RingCentral’s cloud PBX overview).
In short, VoIP moves the audio, while the hosted PBX supplies the business calling functions that decide where calls go and how employees handle them. “Virtual phone system” commonly refers to the resulting hosted business service.
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- Crystal-clear nationwide calling for free and low International rates. Pay only monthly applicable taxes and fees.
- # 1 rated home phone service for overall satisfaction and value by a leading consumer research publication.
- Pure Voice HD delivers superior voice quality for a consistently great calling experience.
- Includes nationwide calling, voicemail, caller-ID, call-waiting, 911 calling and text alerts.
- More features including the ability to block robocallers available when you upgrade to Ooma Premier phone service.
Do you need a desk phone?
No—not as a general requirement. Many services let employees make and receive calls in desktop or mobile apps. Some also support compatible VoIP desk phones, so a business can use physical handsets where they are useful. Zoom documents app calling as well as use of compatible VoIP phones (Zoom Phone supported devices). Google Workspace describes Google Voice for business across mobile, laptop, and supported desk-phone use (Google Voice for business).
If you prefer a handset, look for a SIP VoIP desk phone only after checking the phone service’s current compatibility list. A handset that works with one service is not necessarily supported by another.
Rank #3
- Ooma has been rated the top phone service by Consumer Reports.
- Crystal-clear nationwide calling for free and low international rates. Pay only monthly applicable taxes and fees. Works only in the US.
- Included Ooma HD3 Handset features a 2” color display and full-duplex speakerphone.
- Take your home phone on the go with the easy-to-use Ooma Home Phone mobile app
- Includes unlimited calling in the U.S., voicemail, caller-ID, call-waiting, 911 calling and text alerts.
What should you check before choosing one?
Provider examples include Zoom Phone, RingCentral, and Google Voice for business; these are examples of the category, not a ranking. Compare the capabilities that affect how your team actually calls:
Quick Recap
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- UNSURPASSED RANGE & ANSWERING SYSTEM Experience the best in long-range coverage and clarity, provided by a unique antenna design and advances in noise-filtering technology. This reliable cordless system includes a digital answering machine that can record up to 22 minutes of incoming messages, outgoing announcements and memos, and a voice-guide for easier set up.
- SMART CALL BLOCKER & CALLER ID ANNOUNCE Say goodbye to unwanted calls. Robocalls on your landline are automatically blocked from ever ringing through - even the first time. You can also permanently blacklist any number you want with one touch on the delicated key on the handset. The call block directory can store up to 1,000 name and number entries. Plus, the handset announces the name of the caller, so you can decide on answer the call or block it - screening call is never easier.
- LARGE 2-INCH SCREEN, BIG TEXT, LIGHTED KEY PAD High-contrast text on the extra-large 2 inch screen makes it easy to read incoming caller ID or call history records. Plus, the enlarged font and extra-large and lighted handset keypad allows for easy dialing in low-light conditions. This feature is especially helpful for those who are visually impaired.
- HANDSET SPEAKERPHONE, AUDIO ASSIST, INTERCOM This cordless system has built-in a full-duplex speakerphone on handset allowing both ends to speak - and be heard - at the same time for conversations that are more true to life. Also designed with useful features like Audio Assit, handset intercom to help your daily communications enjoyable.
Rank #4
- Mid-level phone, ideal for professionals and managers with moderate call load
- Ergonomic design with adjustable display
- Built-in Bluetooth, Wi-Fi
- Numbers and locations: Check whether the service supports the countries where your business operates, whether you can get the numbers you need, and whether existing numbers can be ported. Google Voice documents number porting and administrative calling features in its business service information (Google Voice for business).
- Calling plan: Find out what regions and minutes are included, and whether numbers or calling require a separate license or plan. For example, Zoom distinguishes its Phone license for cloud PBX functionality from calling plans that can include numbers and minutes (Zoom Phone licensing and calling plans).
- Call handling: Confirm that the service supports the routing, extensions, ring groups, and auto attendants your business needs. Google documents ring groups and multi-level auto attendants for Google Voice; feature availability can depend on the service and plan (Google Voice for business).
- Devices and apps: Verify supported desktop and mobile apps, any browser access, and the specific desk-phone models your team may use. Compatibility is service-specific (Zoom Phone supported devices).
- Integrations: Check whether the service connects with the business tools your team relies on; available integrations vary by provider and plan.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
