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Best VoIP Software in 2018

The Voice over IP subcategory deals with platforms specifically designed to provide calls over the Internet. Communication globalized the way we do business and connect with people. Being able to get in touch with friends and co-workers regardless of their location should be a priority. VoIP solutions found their way into sales management and customer satisfaction segments as they provide an efficient way of calling people without worrying about the location and additional operating costs.  Read the full software guide...

THE ULTIMATE Software Buyer Guide 2018

The Ultimate VoIP Software Buyer Guide 2018

Product recommendations, vendor rankings, market overview and tips on how to select VoIP software for business. Published in November 2018.

The Voice over IP subcategory deals with platforms specifically designed to provide calls over the Internet. Communication globalized the way we do business and connect with people. Being able to get in touch with friends and co-workers regardless of their ...


VoIP Software Guide

What is VoIP Software?

Voice over Internet Protocol, or VoIP, software solutions enable users to conduct communications via the internet in the form of data packets, as opposed to traditional business phone systems that are run off of a landline.

There are a range of software variations and uses within the VoIP software sector, such as computer-to-computer, computer-to-telephone, a dedicated VoIP phone, and a traditional phone integrating a VoIP adapter.

The key advantage to VoIP software is that it does not incur any bills beyond what you pay for internet access and the particular software solution being used for communications. As such, computer-to-computer calls are often free of charge and computer-to-telephone calls (especially regarding international connections) are significantly cheaper than their traditional landline counterparts.

Types of VoIP Software

To meet the wide range of demands of the modern communications landscape, various different types of VoIP software solutions exist.

Integrated Access

This form of VoIP software is the most closely related to a traditional phone line. Integrated access VoIP software solutions are deployed as integrations to existing telephone systems within a business.

The core infrastructural benefit lies in the business being able to keep their existing telephone equipment, including their phone numbers, while still gaining the benefits that VoIP software solutions offer.

SIP Trunks

Session Initial Protocol, or SIP, solutions are capable of transferring both voice and video data across a public switched telephone network (PSTN). A trunk is a method of allowing a system to provide network access to multiple users at the same time while sharing the same set of lines, as opposed to providing each line individually. This offers more communications flexibility, especially as the existing, traditional phone systems a business owns can be integrated with a software solution to take advantage of SIP trunking via VoIP gateways.


IP PBX (Private Branch Exchange) VoIP software refers to in-house office phone systems. In such a system, all office phones are connected to a centralized router which (as with SIP Trunks) also issues trunks to the PSTN. This allows for the routing of all internal calls without needing them to be directly connected to the PSTN, significantly reducing operational costs (especially for businesses utilising numerous connections).

It is delivered in two iterations: hosted IP PBX and managed IP PBX. Managed IP PBX is the closest to SIP Trunks of the two types. However, the main difference lies in the provider managing all technology and charges for the service, while the business only needs to manage the equipment they receive.

Hosted IP PBX, on the other hand, works similarly to managed IP PBX but is even easier to get set up as the provider also manages all equipment and hosts the service using cloud-based systems.

How to Choose VoIP Software

Naturally, one of the first things you want to consider when choosing a VoIP software solution is what features does it come with. Will it serve all of your needs? What about your future needs, therefore, how well does it scale? With technology constantly improving and evolving there a range of features to look out for. Here are some of the key functionalities to keep in mind when comparing VoIP solutions:

  • Caller ID
  • Voicemail
  • Remote monitoring
  • Transcription
  • Music when on hold
  • Auto attendant
  • Call screening
  • Do not disturb
  • Conferencing

Another important consideration to make is whether you want to outsource IT systems with a hosted cloud-based VoIP provider, as opposed to personally hosting it in-house. As broadband increasingly becomes faster, more businesses are opting for a cloud-based VoIP solution to minimize the maintenance costs of managing the infrastructure an internal phone system demands. What’s more, it allows for IT professionals to do all of the micromanaging, thus allowing you to focus more on your business and it's operations.

It is vital to ensure that your internet service provider (ISP) provides sufficient bandwidth for all of your VoIP needs. This is because bandwidth directly affects call quality. Therefore, it is worth considering whether a particular solution offers the capability to prioritize bandwidth usage so that calls are classified as being more important than other network uses—especially non-real-time network demands.

Another crucial aspect to consider when choosing a VoIP solution is what are the existing security measures that both the solution and your business have in place. Considering private, critical business data is being communicated, it is important to ensure it is all encrypted. This can be both done by the VoIP software solution, as well as having a virtual private network (VPN) to protect you. Even with a VPN, you should make sure that all wireless connections are protected at the source—the router.

Benefits of VoIP Software

Modernize Operations – Implementing a VoIP software will enhance the flexibility of your communications with a range of real-time features, including messaging, video conferencing, and collaboration. This ensures that regardless of whether internally or externally, the communications process will be streamlined.

Backup Connection – Inherently, a digital system is easier to back up than a physical one. No simple way exists to get a backup for external telephone lines if they go down, however, should you have any issue with your internet service, there are various other providers able to deliver a service. However, it is still important to have a backup plan for if the internet connection ever goes down.

Cost Efficiency – The range of plans offered by VoIP providers, especially those with multiple tiers, are usually more competitive in terms of pricing than traditional telephone providers. Furthermore, the ability to outsource hardware requirements with a cloud-based service significantly saves money on infrastructural requirements.

Scalability – A VoIP system is much easier to upgrade than a traditional phone system. This is because, without the concerns of managing and maintaining a physical infrastructure, the digital system can easily be scaled and updated.

Common Features of VoIP

API Application Programming Interfaces (APIs) are programmatic intersections with external products or platforms that allow for custom integrations with your own solutions or other solutions you are using.
Call Disposition Track the result of calls within call center software.
Call Recording Record telephone calls and other audio sources.
Call Tracking Track which of your online and offline marketing efforts are successfully generating calls.
Chat Live text chat with customers, website visitors, mobile contacts and others.
Click-to-Dial Dial telephone numbers with one click.
Contact Management Manage large amounts of personal or business contacts in a centralized system.
Contact Sharing Share contacts across teams or platforms to give access to others or to migrate address books across different systems.
External Integrations Integrations with other software products or platforms to improve efficiency and compatibility across systems.
History/Version Control Track revision history, file versions and other changing data, commonly used in collaborative applications.
Multi-User Supports more than just one user account and generally allows for collaboration with colleagues.
Notifications Includes notification support and sends you alerts with information on important events and other time sensitive instances. For example through push notifications on mobile phones or email notifications.
Scheduling Schedule tasks, resources, appointments, payments, communications, etc.
Softphone Similarly to VOIP, Softphone features allow you to make calls via the internet.

Latest User Reviews of VoIP

Simon Wanjau, Software Developer - GURU
"Clear and audible voice transmission"

Skype is easy to install and use. It is available for android, Windows, iOS, Mac, Li...

Weronika Pop, Specjalista ds. zakupów - Stock Polska
"A good solution for communicating with peo..."

A very good alternative to personal meetings. We can't only hear, we can also see co-...

Laura Julian, Software Engineer - Oracle
"Best for Video calling."

It supports conference calling and lots of other features like share screens and priv...

Adams Campbell, Group Brand Manager - Publix Super Markets
"software that allows to perform various ty..."

There are many things that I like about this software, for example it is multiplatfor...

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