Rainbow small business phone system offers companies easy-to-use voice, text, file share, and video conference features that work across devices. 

Simplify your communications with a comprehensive small business phone system that is versatile and easy to use. Rainbow is a cloud phone system that supports audio and video calls, text chat, video conferencing, and file sharing, to make communication fast, personal, and effective. Team members can easily collaborate, and give customers personalized service and quick answers. 

Benefit from a versatile, mobile-friendly phone system

  • Connect with customers quickly and with ease. Team members can be at the office or on the go.
  • Use smartphone, computer, or phone for communications.
  • Empower your team to work with customers, using the all-in-one app, offering phone service, group chat, screen share, and video. 

Simplify meetings with video conferencing

  • Spend valuable time with your customers and suppliers: Invite them easily to video meetings and text chats, and share files securely.
  • Have your team use video meetings, for faster decisions and great team spirit, wherever they are.

Welcome customers with a smile

  • Empower customer service staff with Rainbow communications via CRM from within their CRM desktop: no extra application required.
  • Team members see customer information on incoming calls, so they can give interaction with customers the personalized touch.
  • Team members chat and share with colleagues real-time, from within the CRM desktop, to improve first call resolution. 

Save with a reliable solution you can trust

  • Save 30% or more on communication costs. 
  • Leverage Internet and WiFi communications for long-distance calls and conference meetings. 
  • Satisfy data safety concerns: Rainbow is ISO27001 certified, the international standard for cloud security.

Offer and subscriptions

Choose simplicity and save!

Rainbow is available monthly or yearly, per user. Add or remove subscriptions to match your business needs.



Best value



Rainbow offers
for small business (1)

Rainbow Essential

Rainbow Enterprise

Rainbow Connect



Occasional user
Lobby phone

Work from anywhere.
Schedules meetings

Customer service agent

Meeting room equipment

Phone line (2)

Office phone

Smartphone, PC, MAC, web, office phone

Same as Enterprise

Meeting room

Host chat groups

20 participants

300 participants

Same as Enterprise

Same as Enterprise

Share file

1 GB storage

20 GB storage

Same as Enterprise

Same as Enterprise

Host video meetings


50 participants
5 video streams

Same as Enterprise

Same as Enterprise

Communicate from within your favorite CRM desktop



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(1) Want more options? Discover all Rainbow offers and features in the Rainbow Solution Sheet

(2) Requires an on-premise Alcatel-Lucent Enterprise phone system  connected to Rainbow cloud or a cloud service from Alcatel-Lucent Enterprise partners with Rainbow Voice System option

What Rainbow Customers Say
Over 20 million employees in small business organizations daily rely on Alcatel-Lucent Enterprise communication solutions for connecting with their customers and coworkers.

Alcatel-Lucent Enterprise Rainbow Customers

Blickle and Scherer Customer Image

Blickle and Scherer

Blickle and Scherer needed a cloud-based solution that would support collaboration while maintaining strict safety and data protection standards.

  • Government

Nexon  Image


Nexon stays ahead of the competition with an innovative cloud based business model.

  • Services

PayTren image


Discover how PayTren can now connect its users more efficiently with Alcatel-Lucent Rainbow™ Communication Platform as a Service.

  • Finance & Insurance



Quonex selected Rainbow as the unique communication tool for their employees, regardless of which device they use.

  • Services