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What Is a VoIP Telephone & How Does It Work?

what is a voip phone

On this article we’ll clarify VoIP (voice over web protocol) telephones, the way it works, what tools you would possibly want, and the way to decide on the cellphone that’s finest for your enterprise. 

Whether or not that is your first enterprise cellphone buy or should you’ve used one earlier than, you’ll study what it is advisable know to make knowledgeable choices about VoIP. 

What’s included:

  1. What’s a VoIP cellphone? A simple definition
  2. What’s the distinction between VoIP telephones versus conventional telephones?
  3. How does a VoIP cellphone work? 
  4. Advantages of a VoIP cellphone system
  5. Sorts of VoIP cellphone tools
  6. What sort of VoIP telephones does my enterprise want?

What’s a VoIP Telephone?

what is a VoIP phone? a VoIP phone operates using an internet connection instead of copper hard wires. A VoIP phone can go with you anywhere you have an internet connection

A VoIP cellphone is any cellphone that makes and receives calls utilizing the web. As an alternative of a conventional “exhausting wired” cellphone that makes use of direct join copper wires to offer phone service, a VoIP cellphone provides you better mobility, interoperability, and connectivity.

What’s the distinction between VoIP telephones versus conventional telephones?

The most important distinction between a VoIP cellphone and conventional landline phone is {that a} landline cellphone is hardwired right into a bodily location utilizing copper wires. A VoIP cellphone, then again, makes and receives calls over the web and isn’t certain to a particular location, i.e. you should utilize that cellphone quantity from wherever you’ve gotten web entry.

Due to this, there are two huge variations in performance between VoIP telephones and conventional telephones. The primary is {that a} voip cellphone will work irrespective of the place you’re. So long as you’ve gotten an web connection, you’ll be capable to make and obtain calls with out being tied to at least one place. 

And the second distinction is that you simply technically don’t even want a bodily cellphone to make calls. You can also make a name from an app in your laptop.

Performance VoIP telephones Landline telephones
Telephone calls (PSTN) Sure Sure
Nationwide long-distance Included Non-compulsory
Consumer-to-user calls Sure PBX required
Caller ID Sure Sure
Name Ready Sure Sure
Ease of setup ★★★★★ ★★★
Requires web Sure, 100 Kbps per line No
Wi-fi Wi-Fi, DECT, and Bluetooth headsets accessible DECT and Bluetooth headsets accessible
Reliability throughout web/ energy outages Calls could be routed to a different quantity or voicemail. Calls drop or are routed to voicemail.
Know-how IP telephony (SIP, TLS, and SRTP) Analog voice alerts
Name high quality ★★★★★ ★★★★
Setup value $0 $110 per jack
Month-to-month value $20–35 $35
Superior options
Auto attendant Included PBX required
Telephone quantity privateness Included Varies
Telephone quantity modifications Included $27
Telephone extensions & hunt teams Included PBX required
Conferencing Included Three-Method Calling
Name routing Included $9.95/mo
Name queuing Add-on Add-on
Distant work succesful Sure, softphone apps Name forwarding
Name encryption Sure (TLS & SRTP) No
Worldwide dialing MX: $0.16/minUK: $0.01/minJP: $0.05/min MX: $1.97/minUK: $1.21/minJP: $1.62/min
Enterprise voicemail Included $13.95/mo
Integrations (CRM, textual content messaging, surveys) Sure No
Sources: VoIP data based mostly on Nextiva’s enterprise cellphone plans. Analog data relies on enterprise charges revealed in ILEC tariffs for Arizona. Up to date on January 20, 2021.

Wish to study VoIP? Upgrading your cellphone system?
Get your free copy of Cloud Telephone Methods for Dummies.

How does a VoIP Telephone Work

Previously, telephones have been wired to an on-premises Personal Department Trade (PBX). This cumbersome machine would deal with all routing and guarantee every name reached its correct vacation spot. VoIP cellphone options far exceed these accessible on outdated PBX methods.

Since VoIP telephones work by processing phone calls from the web, or the cloud, the know-how employs current laptop community cabling or Wi-Fi to entry phone networks.

In the past, phones were wired to an on-premises Private Branch Exchange (PBX). This bulky machine would handle all routing and ensure each call reached its proper destination. VoIP phone features far exceed those available on old PBX systems.

Now, with trendy know-how, VoIP telephones work by changing analog voice alerts into digital alerts over your broadband web connection. The straightforward strategy to say it? VoIP makes use of the web to make and obtain calls fairly than conventional landlines. 

All you want is web service, a VoIP-compatible cellphone, and a VoIP service supplier to position and join the calls. 

Try how Tony breaks it down on this video. 

VoIP know-how makes use of current laptop community cabling or Wi-Fi to entry phone networks.

No extra wires or packing containers  wanted to make use of your VoIP enterprise cellphone service! Now you may take a name from wherever you’ve gotten web — even from an app in your laptop — and your cellphone quantity can keep the identical as earlier than, so there isn’t any expense in altering it.

So whichever phone machine your organization chooses, you may join it to the VoIP cellphone system merely and simply. Simply plug the telephones in and have your tech crew configure the system in a approach that most accurately fits your specific wants.

“Many medium and huge enterprises have already got vital investments in PBX methods and are reluctant to remove methods which have labored effectively for a few years to change totally to a software-based cellphone service. The excellent news is that many cloud cellphone service suppliers have a characteristic known as SIP trunks that lets you join your PBX system to a VoIP community.”

Cloud Telephone Methods for Dummies

Typically, as an alternative of totally switching to a VoIP cellphone system, companies want to transform an current PBX system to a cloud-based system. This transition is facilitated by a enterprise cellphone supplier utilizing Session Web Protocol (or SIP trunking) to transmit calls over IP networks. 

SIP trunking is used to create, modify, and terminate multi-party classes that comprise a number of media streams.

Study extra about whether or not SIP trunking is true for your enterprise…

What are the advantages of a VoIP cellphone system?

benefits of a VoIP phone include easy installation, virtual phone numbers, simple integration, and more

Most of the options of a VoIP cellphone service communicate for themselves:

  • Simple set up and setup on current web connections.
  • Digital cellphone numbers that comply with you and your staff. 
  • Use your current Web connection. Different enterprise telephones require devoted copper wiring separate from the pc community connection.
  • Hyperlink to consumer accounts or to cellphone numbers. They help you swap between simultaneous calls on a given account.
  • Easy integration with different software program functions, like Microsoft Groups
  • Superior voicemail options like visible voicemail, transcriptions, or e mail supply.
  • Automated software program updates
  • Simple and cost-effective to scale as your enterprise grows. 
  • Increased high quality audio vary (twice that of conventional).
  • May be arrange for PoE. Meaning they get energy over their Ethernet community cable as an alternative of a conventional energy adapter. This ends in fewer transformers having to be plugged into energy strips across the workplace.

Sorts of VoIP Telephone Tools

There are two most important varieties of VoIP – exhausting telephones and softphones. You might want just one sort to fit your wants or your enterprise could function finest if you mix a couple of differing kinds.

nextiva softphone

VoIP exhausting telephones are bodily telephones that you may see, contact, and really feel. Gentle telephones, then again, are mainly software program apps that you simply use on a pc or cellular machine to simply accept and make calls. 

In the event you select Nextiva as your VoIP supplier, you’ll get a softphone (also called our app that you should utilize to make calls out of your laptop or a cellular machine) included in your package deal. Nextiva additionally provides a wide range of exhausting cellphone varieties to select from. 

To make the choice course of simple, Nextiva has assembled a chart displaying the most well-liked telephones available on the market. All of those fashions have been examined and reviewed, and every has benchmarked to the very best business requirements.

Keep in mind, although, that there are numerous different fashions accessible (some with both extra superior options or further traces). Right here’s a extra complete listing of the finest enterprise VoIP telephones.

VoIP phones comparison chart

A convention cellphone differs from a desktop cellphone in that it’s optimized for each listening to and sending the very best quality audio in a bunch setting (like a convention room desk) as a result of it has  omni-directional microphone configuration.

Nonetheless, there isn’t a giant practical distinction between a desktop cellphone and a convention cellphone. In the event you discover ways to use one, you may simply use the opposite.

The fashions proven under are among the many hottest out there. Every comes with customary options like speakerphones and velocity dialing. For data on further options and capabilities, discuss with the chart under.

VoIP conference phone comparison table

What sort of VoIP telephones does my enterprise want?

Ultimately, you can not go improper with any of those well-liked units. You’ll discover that every of those provides the options that you’d anticipate from a cellphone system.
Listed below are the first necessities to contemplate earlier than selecting a tool:

  1. Take a look at the manufacturers. Are there names you belief greater than others? Take into consideration longevity and previous efficiency.
    • Poly is the worldwide chief in relation to productive and efficient engagement with colleagues, companions, prospects, and prospects. You may’t take a look at a severe VoIP answer with out together with their product line in your decision-making course of.
    • Cisco is the massive title in enterprise networks and web infrastructure and one other lead participant within the VoIP {hardware} realm.
    • Panasonic is likely one of the world’s main innovators in VoIP cellphone enterprise methods. Their status for making high quality digital units goes again many years.
    • VTech is the world’s largest producer of cordless telephones and well-known for its digital instructional toys.
  2. Search for the variety of line appearances. What number of traces does every machine in your enterprise want to have the ability to deal with? Some crew members will want many greater than two traces.
  3. Do use headsets? What sort of connector have they got? An RJ-9 is a well-known sort of connector for telephones, however are much less well-liked. At the moment’s headsets use USB for connectivity. In the event you want Bluetooth, then be sure your machine helps it. Some units require a USB-to-Bluetooth dongle which may not be included.
  4. Prepared for Energy over Ethernet (PoE)? Most units now help for PoE, however guarantee that you’ve got the facility adapters since most staff that work from house wouldn’t have PoE-capable community tools.
  5. Don’t neglect about reliability. Does the cellphone obtain common safety updates? VoIP telephones that obtain these updates have a tendency to offer rather more dependable VoIP cellphone service than units that want firmware delivered by hand. (Trace: Many, many internet-connected units by no means get up to date.)


There are various selections when shopping for and configuring your enterprise VoIP service. Ensuring you’ve gotten the most effective VoIP supplier, telephones, and options, provides you extra confidence to run your enterprise.

It doesn’t should be exhausting. In reality, establishing a digital cellphone system is very easy, you may set it up your self.

The excellent news is that you’re not alone on this journey, and there are professionals to information you alongside the best way. Let Nextiva’s VoIP specialists assist you choose the right cellphone system in your firm. Additionally, try what our prospects say about our VoIP cellphone service.



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