VoIP phone service enables multiple sites to share one phone identity with the outside world and makes extensions in all locations look and act like physical extensions of one in-house PBX (telephone switch).

Mitel

Mitel’s cloud-based systems are a powerful, scalable family of platforms that deliver hosted voice, unified communications and collaboration to businesses of all sizes and sophistication levels.

Pricing

Starts at $19.99/month

Pros

  • Built-in team collaboration.
  • Great mobile app.
  • Predictive contacts search.
  • Comprehensive VoIP, calling, messaging, and video chat features.
  • Long list of available CRM integrations.

Cons

  • Comparatively high per-user pricing.
  • No speech-to-text transcription.

8×8

Powerfully-simple marketing solutions that make it easy and fun to connect your small business with the world – now for free.

Pricing

Starts at $25/month

Pros

  • Plenty of standard features in the base offering
  • Solid mobile and desktop capability with easy setup
  • Multiple pricing plans

Cons

  • Had some issues importing contacts from Google
  • Some user modifications only possible using bulk edit
  • Scheduling meetings must happen in Outlook or Google Calendar

Well-designed and cost-effective voice over IP (VoIP) solution designed for small to midsized businesses (SMBs) that have workflows favorable to using softphones.

Pricing

Starts at $20/month

Pros

  • AI-based Voice Intelligence feature highlights actionable call content
  • Strong call center and customer service functionality
  • Smooth contact syncing with G Suite and Outlook

Cons

  • Video conferencing a $15 add-on for more than 10 meeting participants
  • Limited reporting customization and no call quality reporting

Ooma Office is a solid business-class voice over IP (VoIP) that starts at $19.95 per user per month.

Pricing

Starts at $19.95/month

Pros

  • Flexible product with no fixed contract
  • Basic mobile and desktop apps
  • Support for existing analog phones
  • Easy to use

Cons

  • Some features, like SMS on the desktop, still in development
  • Limited reporting capabilities
  • Phones must be configured by Ooma

Getting started with Vonage Business Cloud is simple and straightforward, which is refreshing when you compare it to more complex solutions, like a from-scratch installation of Microsoft 365 Business Voice or even Ooma Office.

Pricing

Starts at $19.99/month

Pros

  • Long list of features for admins and users
  • Solid mobile and desktop apps
  • Good API integration

Cons

  • Importing contacts requires multiple steps
  • Additional features cost extra and can add up quickly
  • Soft phone won’t start without a microphone attached to your desktop