VoIP FAQ's

Below you will find our concise list of FAQs for all things VoIP related.

Best Hosted PBX Providers 2023: A Comparison

A hosted PBX is a PBX that is hosted in the cloud by a VoIP provider. A Private Branch Exchange (PBX) is hardware or software that divides phone lines into extensions for each employee to use. When someone calls a company’s main phone number, the PBX connects the call to the designated employee’s extension line.

A hosted PBX differs from a traditional PBX in three ways:

Best Virtual PBX Providers 2023: A Comparison

Compare the top virtual PBX providers with this guide. A virtual PBX is a Private Branch Exchange phone system that operates through the Internet. A virtual PBX routes incoming calls to a business's appropriate extensions. You do not need to purchase or maintain hardware or software to use a virtual PBX system.

A virtual PBX is a good choice for small to medium-sized businesses that want all the benefits of cheap Internet calling, but do not want the responsibility of an in-house PBX.

Best PBX Phone Systems 2023: A Comparison

IP PBX is short for "Internet Protocol Private Branch Exchange". A PBX splits one main office phone number into several extensions. For instance, when someone calls an office and is told “Press 1 for John, press 2 for Monica”, that caller is interacting with the PBX, and that PBX is going to connect his or her call to John or Monica.

Best SIP Providers 2023: A Comparison

SIP (Session Initiation Protocol) Trunking allows companies with an in-house PBX to upgrade to Internet phone service for both internal and external phone calls.

A SIP trunk attaches to an in-house PBX or an adapted traditional PBX and then translates all incoming and outbound calls into cheap Internet calls. This means that all calls in-house are free and outside of the office are cheap VoIP calls, which can save companies thousands of dollars each year.

Best Mobile VoIP Providers of 2023

One of the most in-demand features of Internet calling is mobile VoIP. Mobile VoIP allows mobile devices to send and receive Internet calls. Internet calls can be made over any IP network, so anyone who downloads a mobile IP app can send calls over any WiFi, 3G, or 4G data network.

Rather than use your wireless minutes, mobile VoIP uses your data plan to make calls. This translates to lower per minute rates than your cellular service provider.

VoIP Provider Directory

We have compiled this directory of helpful VoIP definitions to answer any questions you might have about IP phone service.

Top 100 VoIP Providers World Ranking

The Top 100 VoIP Providers World Ranking is an ongoing comparison of the top VoIP providers worldwide.

Our Top 100 VoIP Provider comparison table will help you choose the best VoIP phone service for your home or business. A few of the providers listed below are not yet available in all countries; however, we've done our best to indicate which providers are available in which locations.

Top 100 Ranking Criteria

Our Top 100 is ranked based on user reviews, market segment, provider size, and price.

Best Residential VoIP Providers 2023: A Comparison

Residential VoIP is an affordable Internet home phone service. It allows users to make calls via the Internet instead of a traditional landline, which can help to save on expensive monthly phone bills.

Best Business VoIP Providers 2023: A Comparison

Business VoIP is an Internet phone service that is specifically catered towards the needs of an office environment. Typically, these business VoIP systems include IP PBX technology, IP faxing capabilities, unlimited virtual extensions, mobile apps, and other VoIP features that help to increase sales, boost productivity, and make your business run seamlessly.

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