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Alcatel-Lucent Rainbow vs Microsoft Unified Communications as a Service comparison

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Alcatel-Lucent Rainbow
Ranking in Unified Communications as a Service
12th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
Unified Communications (14th)
Microsoft Unified Communica...
Ranking in Unified Communications as a Service
7th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2026, in the Unified Communications as a Service category, the mindshare of Alcatel-Lucent Rainbow is 4.0%, down from 11.4% compared to the previous year. The mindshare of Microsoft Unified Communications as a Service is 6.2%, down from 7.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Unified Communications as a Service Mindshare Distribution
ProductMindshare (%)
Microsoft Unified Communications as a Service6.2%
Alcatel-Lucent Rainbow4.0%
Other89.8%
Unified Communications as a Service
 

Also Known As

Alcatel Lucent Rainbow, Alcatel-Lucent OpenTouch Conversation
MS Unified Communications as a Service
 

Overview

 

Sample Customers

Blickle and Scherer, Loughborough University, CSF Inox, Caritas Speyer
Swisscom