Vonage is a VoIP provider that gets CRM integrations right, but only if you shell out for one of the primo packages.

Dialpad offers a forward-thinking cloud service to replace bulky PBX phone systems, and is very well priced for small businesses.

RingCentral provides claims to offer a leading cloud-based VoIP solution for business. Here we test their claims and weigh up their features.

Ooma Office offers a business VoIP solution that's relatively cheap yet feature-packed. Here we take a closer look to see whether this budget package is worth it.

Expensive as it may be, Adobe Connect is a reliable premium video conferencing service with a handsome selection of customization and features.

Despite an unimpressive price tag, VoIP provider Mitel MiCloud Business comprises a wealth of useful features across three disparate subscription plans.

Although it’s not a true VoIP provider, SmartLine graces your existing phone with a second number so you don’t have to buy a second device.

It may not have as many features as we'd like, but Skype for Business is still a cost-effective approach to collaborative video conferencing.

While it no longer exists as an add-on, the major selling points of 8x8 Virtual Office Pro carry on through the Virtual Office X5 Edition.