Aastra Clearspan vs Siemens OpenScape comparison

Mitel and Siemens are both solutions in the Unified Communications category. Mitel is ranked #23, while Siemens is ranked #9. Mitel holds a 0.4% mindshare in UC, compared to Siemens’s 3.7% mindshare.

Aastra Clearspan

59 Views
20 Comparison Views

Siemens OpenScape

152 Views
76 Comparison Views

Aastra Clearspan

Siemens OpenScape

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Executive Summary

We performed a comparison between Aastra Clearspan and Siemens OpenScape based on real PeerSpot user reviews.

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To learn more, read our detailed Unified Communications Report (Updated: May 2025).

Buyer's Guide

Unified Communications

May 2025

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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

Aastra Clearspan

Ranking in Unified Communications

23rd

Ranking in IP Telephony & Unified Communications

21st

Average Rating

0.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Siemens OpenScape

Ranking in Unified Communications

9th

Ranking in IP Telephony & Unified Communications

7th

Average Rating

0.0

Number of Reviews

Ranking in other categories

Mobile Communication Gateways (4th)

Mindshare comparison

As of June 2025, in the Unified Communications category, the mindshare of Aastra Clearspan is 0.4%, down from 0.8% compared to the previous year. The mindshare of Siemens OpenScape is 3.7%, up from 2.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Unified Communications

Buyer's Guide

Unified Communications

May 2025

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Comparisons

No data available

Cisco Unified Communications vs Siemens OpenScape

Compared 63% of the time

Mitel Application Suite vs Siemens OpenScape

Compared 37% of the time

More Siemens OpenScape Competitors

Product Reports

Buyer's Guide

Unified Communications

May 2025

Download Aastra Clearspan product report

Buyer's Guide

Unified Communications

May 2025

Download Siemens OpenScape product report

Also Known As

Clearspan

OpenScape

Overview

Aastra Clearspan has a full suite of applications built in such as unified messaging, conferencing, fixed mobile convergence, and desktop integration. It integrates seamlessly with popular collaboration platforms, and includes a robust interface for integration with customer business processes. Clearspan has also simplified deployment with our proprietary OpEasy tool for provisioning, monitoring and reporting.

Mitel

Collaboration solution that includes web conferencing, application sharing, and white-boarding. Supports media and moderator switching.

Siemens

Sample Customers

Tessie Cleveland Community Services Corporation

China FAW Co. Ltd. R&D Center, NASA Goddard Space Flight Center, Pentair, Oklahoma City Air Logistics Center, Piaggio

Buyer's Guide

Unified Communications

May 2025

Download Free Report

Find out what your peers are saying about Cisco, 3CX, Kamailio and others in Unified Communications. Updated: May 2025.

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856,807 professionals have used our research since 2012.

See our list of best Unified Communications vendors and best IP Telephony & Unified Communications vendors.

We monitor all Unified Communications reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.