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How Much Do You Know About VoIP?

101 Facts About VoIP You Didn’t Know

Did you know Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet?  We know finding facts and figures about Voice over Internet Protocol (VoIP) can be time-consuming and frustr    ating, so we put together this list of the top 101 facts, notes, and statistics so you can easily reference them and refer back to them any time in the future.  This space is constantly changing, so if you see a fact that is not up-to-date, feel free to let us know. And if you know a stat about Voice over Internet Protocol (VoIP) that we should add, let us know that too!

1. Voice over Internet Protocol (VoIP) is a proven technology that lets anyone place phone calls over an internet connection.

With the rise in broadband, VoIP has become the final choice for both consumers and businesses for telephone service.

2. People enjoy using VoIP phone service over traditional phone lines.

It offers a lot more capabilities than analog phones. And it can do it all for less than half of the cost.

3. Cloud phone service providers include powerful features not found with standard phone service.

Auto attendance, call recording, custom caller ID, email voicemail, and so much more. Plus, you can make calls and work from anywhere.

4. VoIP isn’t actually all that new.

Telephony has relied on digital lines to carry phone calls since the late 90s. VoIP is a cost-effective way to handle an unlimited number of calls.

5. VoIP service providers do more than establishing calls.

They route outgoing and incoming calls through existing telephone networks. Landlines and mobile phones depend on the Public Switched Telephone Network (PSTN).

6. A trusted VoIP provider can handle everything for you.

Plug in your IP phone, and you’re done. These digital phones use your high-speed Internet connection to connect.

7. VoIP converts your phone calls into data and is sent over the internet.

You can use or skip Ethernet cables if you have a strong Wi-Fi signal. It does so at a much lower cost than the old telephone systems.

8. VoIP converts your phone calls into data and is sent over the internet.

You can use or skip Ethernet cables if you have a strong Wi-Fi signal. It does so at a much lower cost than the old telephone systems.

9. Voice over IP uses Internet Protocol, an essential building block of the internet.

IP telephony is a massive innovation from the century-old telecommunications system.

10. A VoIP phone system facilitates calls between other phones or over to another telephone company.

It also provides other useful functions such as voicemail, call forwarding, call recording, and more.

11. Voice over Internet Protocol bypasses the telephone company entirely.

Wherever you have a broadband internet connection, you can make use of VoIP. It’s a significant upgrade to an analog phone system.

12. Voice over Internet Protocol has lower cost.

Many consumers and businesses have realized significant cost savings and lowered their phone bills by more than 60 percent.

13. Voice over Internet Protocol has high-quality sound.

There’s a noticeable difference in the quality of the call, so the audio isn’t muffled or fuzzy.


14. Voice over Internet Protocol has advanced features.

Leverage premium features to run your company, such as auto attendance, call recording, and call queues. They are often included with business phone service plans.

15. Voice over Internet Protocol is remote-ready.

Use your phone service wherever you’re working. If you work from home, no technical setup is needed.

16. In Voice over Internet Protocol you call anyone worldwide.

International long-distance rates are as low as $0.04 per minute to call Mexico or $0.01 to reach the United Kingdom.

17. Voice over Internet Protocol needs a high-speed internet connection.

VoIP does not work well on dial-up or satellite-based internet connections. You will need at least 100 kbps (0.1 Mbps) per phone line.

18. Voice over Internet Protocol has emergency services limitations.

In the unlikely event that you need to call 911 from your VoIP phone, you need to tell the operator your actual location. By default, voice over IP systems send your company’s mailing address to public security operators.

19. Voice over Internet Protocol makes analog phones obsolete.

Voice over IP uses new technology that does not rely on analog signals. You’re likely to want to upgrade outdated phone handsets.

20. VoIP is surprisingly inexpensive when you consider all its capabilities.

The cost savings are quite dramatic compared to the traditional PBX phone system or on-site.

21. VoIP has an automated attendant.

An automated attendant is a key feature of the best business phone systems because it can eliminate the need for a live receptionist.

22. VoIP has call forwarding.

Call forwarding is a popular business telephony feature that ensures that your customer calls never go unanswered.

23. VoIP has call hold & transfer.

Call hold and transfer are key features found in most business telephony systems. In basic terms, it works by allowing you to hold a caller and send it to another extension or phone number.

24. VoIP has call recording.

Call recording is a VoIP module that allows employees to record calls for training and reference purposes.

25. VoIP has a caller ID.

Caller ID provides important caller information before anyone on your team picks up the phone.

26. VoIP has a call screening.

Call screening puts workers in control of which calls to take action. In basic terms, the Caller ID provides information on who is calling so that the user can take, decline, or send a call to a voicemail address.

27. VoIP has a call flip.

Call flip is a feature that allows users to transfer calls from one device to another by pressing a button without disconnecting the line or relying on call parking.

28. VoIP has a voicemail.

Basic voicemail features allow callers to leave messages to workers when they become available.

29. VoIP has a business tool integration.

Leading VoIP features include the ability to connect data to outside business tools such as ticket support, chat, and email, which keeps conversation records centralized and teams connected to each other.

30. VoIP has a conference bridge.

Conference Bridge is a common VoIP feature that allows users to hold audio meetings with dozens, sometimes hundreds, of participants via computers, smartphones, or any Internet-connected device with a microphone.

31. VoIP has a video conferencing.

Video chat is a useful business phone feature that lets multiple people join virtual meetings where they can both hear and see each other.

32. VoIP has SMS text messaging.

Short Message Service (SMS) features allow you to send and receive text messages to your business phone.

33. VoIP has hot desking.

Hot desk is a popular telephony module in which users log on to a shared desk phone to access customized profiles and configurations.

34. The two main types of VoIP telephones are hardware-based and software-based.

A hardware-based VoIP phone looks like a traditional hard-wired or cordless phone and includes similar features, such as a speaker or microphone, a touchpad and a caller ID display. Software-based IP phones, also known as softphones, are software clients that are installed on a computer or mobile device.

35. VoIP services convert a user’s voice from audio signals to digital data, in which that data is then sent to another user — or group of users — over Ethernet or Wi-Fi.

VoIP will use codecs to do this. Codecs is either a hardware or software-based process that compresses and decompresses large amounts of VoIP data.

36. A VoIP system can also include location-tracking databases for E911 (enhanced 911) call routing and management platforms.

This can collect call performance statistics for reactive and proactive voice quality management.

37. In 1991, the first VoIP application release was Speak Freely.

A year later, InSoft launched Communique, a desktop conferencing product. In particular, Communiqué included options for video conferences.

38. In 1994, the FCC placed a requirement on VoIP providers to comply with the Communications Assistance for Law Enforcement Act of 1994.

In addition, VoIP providers were now required to contribute to the Universal Service Fund.

39. In 1995, Intel, Microsoft and Radvision began to standardize VoIP systems.

One year later, ITU-T developed standards for the transmission and signaling of voice over IP networks, creating the H.323 standard. The G.729 standard has also been introduced. In 1999, SIP was standardized.

40. In 2005, the FCC began imposing VoIP providers to provide 911 emergency call abilities.

This began to open up VoIP’s ability to make and receive calls from traditional telephone networks. Emergency calls do, however, work differently with VoIP.

41. In 1973, the first VoIP call was made.

The first VoIP call used an earlier version of the internet called ARPANET. It was done as part of a communication experiment in 1973.

42. VoIP was originally funded by adverts.

In the 1990s, before the Internet was widely used, VoIP calls were paid for corporate sponsorships and advertising.

43. 90% Cost reduction on international calls.

A recent study suggests that VoIP can reduce your international call charges by up to 90%.

44. VoIP calls contain ‘silent data’.

Silent data is used to save the bandwidth of a VoIP call to ensure a stable and high-quality call.

45. Skype is VoIP.

There are many people who are not aware that Skype uses VoIP technology in its calls.

46. No phone is necessary.

While many people prefer it, VoIP calls do not require a phone call. They can make use of a desktop, laptop or tablet.

47. VoIP only accounted for 3% of calls in 2002.

In 2002, the Internet was still a child, and VoIP accounted for as little as 3% of all calls made worldwide.

48. By 2003, 1/4 of all calls were VoIP.

In just one year, VoIP calls have jumped from 3% of total voice traffic to 25%.

49. In 2005, VoIP calls totalled 204bn minutes

Figures show that VoIP calls became very popular very quickly and soon amounted to 204 billion minutes.

50. VoIP providers are governed by Ofcom

As with all other service providers, VoIP providers are required to report to and are regulated by Offcom.

51. VoIP reduces local call costs by up to 40%

Due to the included minutes and other benefits, businesses can see a reduction of up to 40% in their call costs.

52. 70% Of businesses plan to use VoIP.

VoIP is changing the telecommunications industry, and 70% of businesses are planning or are already planning to switch to VoIP.

53. Staff save an average of 32 minutes each per day with VoIP.

Due to the speed and clarity of the VoIP, it saves employees an average of half an hour (32 minutes) per day.

54. Businesses with 30 phones save £1000 per month.

By switching to VoIP, businesses with 30 phones can save up to £1,000, according to a recent study in PC World.

55. Mobile workers can save up to 40 minutes per day.

One study estimates that mobile workers can save up to 40 minutes per day by using a faster, more efficient mobile VoIP app.

56. Over 50% of IT professionals think VoIP is critical

A study shows that 54% of IT leaders believe that VoIP will be a critical component of their business development.

57. VoIP calls actually transmit more frequencies than normal calls.

Regular calls use a frequency between 300 Hz and 3400 Hz, whereas VoIP calls are between 300 Hz and 7000 Hz, giving you a much higher quality of call.

58. You can use VoIP on your mobile

VoIP is not limited to your office-you can also use VoIP on your mobile device.

59. 3/4 of businesses are satisfied with VoIP over the alternative.

75 percent of businesses are satisfied with VoIP, with 25 percent being ‘very satisfied’ and 21 per cent ‘extremely satisfied,’ according to one study.

60. By 2021, 90% of businesses will be on VoIP.

Gartner predicts that 90% of all businesses worldwide will move from on-site to VoIP by 2021.

61. In 2025 all UK businesses will need to have VoIP

BT announced that it would switch off the ISDN network in 2025, requiring all businesses to move to a VoIP solution.

62. VoIP was the fastest growing telephony segment from 2014 – 2019.

According to the IMF study, VoIP was the fastest growing segment in the period between 2014 and 2019, outstripping all other telecommunications segments.

63. £100 Bn to be spent on long distance VoIP calls by 2024.

It is estimated that, by 2024, £100 billion will be spent on international VoIP calls worldwide.

64. You can use VoIP for online chats.

With your hosted VoIP phone system, you can use online chats and group chats to communicate with colleagues.

65. VoIP can reduce conferencing expenses by up to 30%.

Using modern and cost-effective technology, teleconferencing calls can be reduced by as much as 30%.

66. 52% of IT professionals prefer hosted VoIP.

In a study, 52 percent of IT professionals said that they would prefer a VoIP solution to an on-site solution.

67. A full VoIP solution requires NO onsite hardware

The hosted VoIP phone system uses cloud telephony to provide you with a unified communication environment without on-site hardware.

68. VoIP offers up to 92% savings on telecom maintenance.

VoIP is cheap and easy to maintain, which means that your business can reduce maintenance costs by up to 92%.

69. VoIP is free between multiple sites.

VoIP calls are free when you call multiple sites, all of them using VoIP.

70. There are over 100 benefits to hosting VoIP.

Hosted VoIP has over 100 benefits and we have listed each of them.

71. A phone is not a necessity.

If you have not used a VoIP phone service, you may not be aware that you do not need a phone to make a call. VoIP technology does not depend on any particular device.

72. VoIP contributed to the increase in overseas call centers.

As VoIP systems became popular, they contributed to an increase in outsourcing. This happened mostly in the 1990’s.

73. Setup costs for a cloud VoIP phone could be 0.

The cost of setting up and using VoIP varies considerably from one company to another. But you can get started with a cloud-based VoIP phone for exactly zero dollars!

74. Most people can’t tell it’s VoIP.

It was very easy to tell the difference from analog calls in the initial phases of VoIP.

75. VoIP is 44 years old.

This communication was one-way, but the very first two-way communication via VoIP was made in December 1974.

76. If quality matters, then VoIP.

VoIP provides a range between 50 Hz and 7kHz that directly affects quality.

77. Economy is the most important reason for using VoIP.

VoIP always reduces the cost of international calls without compromising quality and is also much more qualified than the expensive traditional calls.

78. It’s not true that sound quality is terrible when you use VoIP.

Poor sound quality can occur on any phone line, regardless of the method used to relay a voice. With VoIP, the key is to have enough bandwidth to support your voice traffic and use high-quality devices.

79. It’s not true that transitioning to VoIP will be expensive.

Switching to VoIP is usually much cheaper than any other type of telephony upgrade.

80. It’s not true that installation of VoIP is difficult and will take forever for my team to learn.

Typically, the VoIP configuration is managed by your service provider. Using a VoIP phone is just like using a regular phone service, but at a lower cost and with more benefits.

81. It’s not true that upgrading or expanding once you have VoIP is complicated and expensive.

Its scalability is one of the great things about VoIP. In many cases, adding lines is as simple as making a quick call or logging in to an online portal – and there are minimal cost increases for additional lines.

82. It’s not true that VoIP is unreliable.

VoIP is just as reliable as the connectivity of your internet service.

83. It’s not true that VoIP has too many security issues.

Business VoIP is safer than the average landline. The key is to use a high-quality provider to ensure that the entire network is secure – something that should be given to any business.

84. It’s not true that VoIP is only for large businesses.

While large companies find VoIP extremely convenient – especially for call centers that use it for high-volume calls – small and medium-sized enterprises can also reap the benefits.

85. Improve VoIP call quality thru Jitter Jujitsu.

Cisco has a wonderful explanation of what the jitter is and how it can affect the quality of your VoIP call.

86. Improve VoIP call quality thru buying a new headset.

For one, if the quality of the call is your main concern, choose a noise-cancelling headphone that delivers sound to both ears. Corded and USB headsets usually deliver more stable sound quality than wireless or Bluetooth headsets.

87. Improve VoIP call quality by making sure your router knows VoIP.

Whether you are a home-based solo operator or an IT professional who is now effectively managing a large number of home-based network infrastructure, make sure that as many of your wireless routers have the ability to explicitly prioritize VoIP traffic over other types of data traffic.

88. Improve VoIP call quality by reducing your bandwidth.

Whether you are using a residential VoIP account or simply extending the service of your business provider to employees’ homes, these networks may still pose a particular problem.

89. Improve VoIP call quality by monitoring your network traffic.

As mentioned above, the amount of bandwidth you use on your network will have an impact on your audio call.

90. Improve VoIP call quality by interference clearance.

Phones with higher GHz frequencies tend to cause interference. Your typical VoIP phone is running at 2.4 GHz.

91. Improve VoIP call quality by standardizing your mobile VoIP.

To keep a good call quality, you’ll want to look at all the ways your employees conduct their mobile conversations, and then look to standardize.

92. 1 best practice for VoIP success is validating your network architecture.

Make sure that your network infrastructure works with your chosen VoIP system and that you are prepared to make changes, possibly significant ones, in order to see the best performance.

93. 1 best practice for VoIP success is planning your management strategy.

Ensure that VoIP is supported by your network monitoring software.

94. 1 best practice for VoIP success is checking with your ISP.

Call your Internet Service Provider (ISP) and confirm that your broadband provider supports VoIP and prioritization.

95. 1 best practice for VoIP success is engaging a second broadband provider.

You need at least two independent providers. You can load balancing things when things are running normally.

96. 1 best practice for VoIP success is considering SIP.

Find a Session Initiation Protocol (SIP) solution provider that matches your needs. Some VoIP phone systems can be connected directly to a good old public switched telephone network (PSTN) through a hardware interface.

97. 1 best practice for VoIP success is planning for VoIP security.

Specifically, there are attacks targeting VoIP traffic, including call hijacking and man-in-the-middle attacks. But VoIP security goes far beyond simply protecting your network from such incursions.

98. 1 best practice for VoIP success is investing in network management.

A VoIP network requires constant monitoring to maintain the quality of the call where it should be.

99. 1 best practice for VoIP success is to organize your IT staff.

VoIP can’t be just another kind of traffic that anyone on your IT staff can handle. Pick a specialist, make sure he or she understands the technology and is equipped to deal with the issues.

100. 1 best practice for VoIP success is by planning your handset deployment.

You should plan to run a dedicated Ethernet on each VoIP phone. It’s not necessarily essential to have a dedicated VoIP switch, especially on smaller networks, but it’s a good idea.

101. 1 best practice for VoIP success is confirming that your network will support the call quality that VoIP requires.

Just because all of your link lights are green doesn’t mean that your employees are having clear conversations. Having sufficient bandwidth is important, but so is prioritization, which means that your infrastructure needs to be able to support quality of service (QoS) wherever VoIP traffic appears.


Nextiva Blog, Fit Small Business, TechTarget, Commsplus, VOIP STUDIO, Sigma Telecom, BullsEye Telecom and PC Mag

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