12 VoIP Advantages and Disadvantages You Need To Know

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Supriya Bajaj

Senior Writer:

green tickDate: November 2, 2023

VoIP is an advanced technology to make phone calls over the internet rather than through conventional methods. While VoIP may seem like an easy way to save on your phone bills, there are some other factors you need to be aware of. 

This article explores those VoIP advantages and disadvantages so that you can decide if it’s worth switching from traditional landline-based calling to a VoIP phone system.

Advantages of VoIP

What Are the Main Advantages of VoIP?

VoIP is a technology that allows businesses to save money on their phone bills by switching to a more flexible system. It’s also much more secure than traditional landline phones, and it offers the ability to add new lines or even upgrade the existing ones.

1. Lower Costs

One of the most significant benefits of VoIP for business is that it can be much cheaper than traditional analog systems. This is because IP-based systems use only one network connection and a single phone line, which makes them much more cost-effective than conventional analog systems.

By contrast, each phone call made through a traditional analog system requires its dedicated line, which increases the overall cost of the system.

2. High Scalability

Another one of the main advantages of using VoIP is its high scalability. VoIP can handle high calling volumes and allows you to scale up and down your phone system without impacting your current business operations.

For example, if your business requirements suddenly increase, you can add more lines for more users at no additional cost. If you start getting a lot of calls from customers in different countries, then all you need to do is add another line or two, which will improve your overall customer experience and increase revenue.

3. Clearer Voice Quality

Amongst the biggest benefits of VoIP is that it offers a higher quality of voice than traditional telephone services because it takes advantage of the speed and flexibility of the internet.

With VoIP, you can use your computer’s microphone or headset to make or receive calls using a softphone for mac application or desktop software. In comparison to a traditional phone line, VoIP’s sound quality is clear & crisp.

4. Supports Multitasking

benefits of voip for business

VoIP phone systems are more than just phones – they are a way to communicate. A VoIP router can handle all your Internet traffic and make it available for use on your home or business network. This means you can use it for all your communications needs, including sending and receiving emails, browsing the web, streaming music and video, making conference calls, and even playing games with friends.

You can easily switch between different devices with VoIP phone systems without additional equipment or software. You don’t have to worry about buying new phones either; with most VoIP phones, you can transfer your contacts from one device to another.

The only thing that may require additional work is switching between different ISPs or service providers — but even then, it’s not difficult to set up new services on your account and get everything up and running again quickly.

5. Increased Accessibility

Last but not least, the advantage of VoIP is that VoIP calls are much more accessible than traditional phone calls. You can use your computer or mobile device to call from anywhere worldwide, even on holiday.

As we know,  no internet connection is required to make a call; you can pick up the handset and start communicating. 

You also don’t need an internet connection or a modem, which makes it easier to use VoIP anywhere there’s Wi-Fi available.

You May Also Read : What Is a VoIP Number and How to Get One?

6. Future Proofing

As the VoIP market continues to grow, there is a high demand for IP PBX systems, and the cost of such systems is expected to rise significantly in the coming years. With traditional PBX plans becoming outdated and not taking into account future needs, companies are searching for more cost-effective alternatives that can provide them with quality VoIP services at a much lower price.

7. VoIP Is Cost-Effective

benefits of voip

VoIP is cheaper because there are no long-distance charges for the calls that you make or receive. This is because you don’t have to pay for the phone service that your Internet service provider offers. In addition, many VoIP providers offer free local calling plans and unlimited domestic long-distance minutes.

8. Supports Multiple Communication Channels

VoIP has the benefit of being able to support multiple communication channels. This allows your users to choose their preferred communication channel, and they can connect in the way that suits them best.

VoIP supports multiple communication channels by allowing you to use different types of media. You can use text, voice, video, and instant messages in your VoIP system.

9. Increased Security

VoIP is apt for businesses for those who are in pursuit of increased security. VoIP uses encryption to avoid eavesdropping and allows for more secure calls. For example, when you’re calling your home, your phone number will be visible on the caller ID, but when you’re calling from a business line, it’ll be hidden behind a number that isn’t readily available to anyone else.

VoIP also has security features built into it that can make it more difficult for hackers to access the network. For example, if someone were to hack into your network with VoIP, they’d have nowhere near as much success as they would if they were using traditional phone lines.

What are the VoIP Disadvantages?

VoIP is not a perfect solution. Here, we enlist the three prevalent disadvantages of VoIP:

1. Reliable Internet Connection Required

One of the major disadvantages of Voice over IP is that it requires a reliable high-speed internet connection. If you have a dial-up or DSL connection, it will be difficult to use VoIP because the speed is too low for this type of connection; therefore, opt for a broadband connection.

VoIP services are much faster than regular phone calls, and you can save money by using it instead of using your traditional phone service. But if you use VoIP services from your home, you need a good internet connection to download the software and install it on your computer.

If you have a poor internet connection, your VoIP call may be interrupted or stopped because of a server error or slow transfer speed.

2. Latency and Jitter 

Latency and jitter are types of packet loss that can occur when VoIP is used. Latency refers to the delay between the moment a device sends out a packet and the moment it is received by another device (or server). Jitter refers to the variation of a delay from one packet to another.

Latency is typically measured in milliseconds/seconds; it majorly depends on how precise the measurements need to be. Latency can be an issue for VoIP because it takes time for data to travel from one device to another, meaning packets might arrive exactly at different times. This means that if there is any transmission delay, a jitter will also occur.

Many factors cause jitter, but it mostly comes down to network congestion and equipment instability. Network congestion means more devices are trying to send data at once than their equipment can handle, which causes transmission delays and increases jitter. Equipment instability is when something goes wrong with your network’s router or other equipment that causes transmission or jitter delays.

3. No Location Tracking for Emergency Calls

One of the most frustrating things about traditional telephones is that you can’t receive a call or text message while away from home. Even with Caller ID and forwarding numbers, it can be challenging to know exactly where your loved one is when they need you most. With VoIP, however, you will never have to worry about losing track of your child or parent again.

This is because there is no way to track a call made over the internet without having physical access to the person’s phone number and account information.

You May Also Read : Everything You Need To Know About VoIP Phone Systems

5 Factors To Consider When Switching to VoIP

VoIP is the new platform in the world of telecommunication. It offers a better quality of service than traditional phone lines, and it’s cheap to use.

However, there are many aspects to keep in mind while switching to VoIP.

advantages of using voip

1. Quality of Service

While switching to VoIP, make sure that it’s offering a quality of service at par with your expectations. If it doesn’t, consider another option that will give you a better quality of service.

2. Compatibility

If you are planning on shifting to VoIP for business purposes, make sure that the service provider supports all your requirements and devices like desk phones, softphones, etc., so that you can easily switch from one device to another without hassle.

3. Price

You should not overlook the price factor when considering a shift to VoIP. It’s always better to compare rates from various service providers and choose the best deal for your business needs.

4. Support

benefits of voip Phone System

A good telephone service provider should have a 24/7 customer support system where you can resolve all your queries instantly. You should also get quick response times so that their technicians’ team quickly resolves any problem arising during your shift.

5. Flexibility

Flexibility is the most important thing you need to consider while shifting to VoIP. You should get the best quality of service from your phone provider, and it should be easy for you to contact them at any time of the day. The flexibility of your phone line is an important aspect that you need to keep in mind when shifting to VoIP for business purposes.

You May Also Read : What is VoIP Phone and How Does it Work?


So, through this article, we learned about VoIP advantages and disadvantages. The bottom line is this: you should look into VoIP at some point, as there are advantages of using VoIP. It is way more flexible compared to business and can enable you to save money in the long run. Is its switch entirely an easy one? Well, not exactly—but it’s ultimately an option worth considering for your business.


1. Does VoIP Work Without the Internet?

Yes, you can make calls with your PC or laptop, but it is smoother than a phone. An internet connection with a voice application downloaded & installed lets you make calls.  

2. Do You Need a Sim Card for VoIP?

A sim card is not required for VoIP calls. However, if you want to use your existing plans with your new VoIP phone, you will need a sim card compatible with your provider’s network (e.g., AT&T) to call out or receive calls while on Wi-Fi or mobile data networks. If you don’t have one already, check with your carrier to see if they offer free sim cards for customers switching from traditional landline phones to VoIP phones.

3. Why Should I Use VoIP?

VoIP phone systems are great for small businesses because they are easy to implement and maintain. VoIP is much less expensive than traditional phone lines, and the equipment is more durable and reliable, making it easier to stay connected with your customers.

VoIP also offers several security features that make it an ideal choice for small businesses looking to protect their data from hackers and other cybercriminals. 

4. Do VoIP Phones Have a Monthly Fee?

Usually, there are no monthly fees associated with VOIP service. This means you don’t have to pay anything at the beginning of your contract, and the cost will depend on your monthly usage. For example, if you use 3GB of data per month, it will cost you between $10-$15 per month, depending on your chosen provider.

5. Can I Use a Normal Phone for VoIP?

Yes, you can use a standard phone for VOIP. It’s called a device adapter, which converts the signal from your regular phone line so that it can be transmitted over a wireless network instead of using a coaxial cable. The adapter plugs into the wall outlet and connects to your computer with a USB cable (included), allowing you to make and receive calls on your computer just like you would with a traditional landline phone system.

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