Business Phone Systems Software

Jive Voice
  706
All-Inclusive Cloud Powered Business Communication
Nextiva
  181
Simplifying Business Communication
Aircall
  127
Phone system for support and sales teams
Dialpad
  261
Cloud communication platform for enterprises
RingCentral Office
  772
Business cloud phone system for employees using BYOD devices
Bitrix24
  315
Free collaboration, communication & management tool suite
8x8 Virtual Office
  178
Global cloud communications & phone system
3CX
  165
Hosted PBX with CRM integration and mobile apps
Toky
  39
Virtual phone system for business sales and customer support
Asterisk
  26
Open-source modular communication system
Spoke Phone
  26
Turn mobile phones into your business phone system / PBX.
Zadarma
  23
VoIP calls, Cloud PBX and SMS solutions for business users
VirtualPBX
  20
Tools To Connect Everyone, Everywhere.
Truly
  10
Professional business calling and routing for mobile devices
Ninja Number
  8
Virtual phone system for small businesses
CircleLoop
  6
Web-based business telephony system with native app support
NUACOM
  2
All-in-one VoIP phone system for SMBs