Try our new research platform with insights from 80,000+ expert users

Cisco UCM vs Siemens OpenScape [EOL] comparison

Cisco and Siemens are both solutions in the Mobile Communication Gateways category. Cisco is ranked #1, while Siemens is ranked #4. Cisco holds a 34.6% mindshare in MCG, compared to Siemens’s 15.4% mindshare. Additionally, 100% of Cisco users are willing to recommend the solution.
Cisco UCM
Read 2 Cisco UCM reviews
  • 129 Views
  • 129 Comparison Views
100% willing to recommend
Siemens OpenScape [EOL]
  • 216 Views
  • 30 Comparison Views

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

Cisco UCM
Ranking in Mobile Communication Gateways
1st
Average Rating
7.0
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Siemens OpenScape [EOL]
Ranking in Mobile Communication Gateways
4th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
Unified Communications (9th), IP Telephony & Unified Communications (7th)
 

Mindshare comparison

As of August 2025, in the Mobile Communication Gateways category, the mindshare of Cisco UCM is 34.6%, down from 37.5% compared to the previous year. The mindshare of Siemens OpenScape [EOL] is 15.4%, up from 9.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Mobile Communication Gateways
 

Featured Reviews

reviewer899619 - PeerSpot reviewer
Useful and comprehensive server product but needs a lot of effort to set up
The remote profile setup and features could be improved I've been using this solution for ten years. UCM is very stable. The scalability is good. My experience with Cisco's technical support hasn't been very good - they don't give decent replies and then close the ticket. Neutral The initial…
Read full review
Use Siemens OpenScape [EOL]?
Share your opinion
report
See which vendors are best for you
Use our free recommendation engine to learn which Mobile Communication Gateways solutions are best for your needs.
See recommendations
865,164 professionals have used our research since 2012.
 

Comparisons

NEC UNIVERGE Sphericall vs Cisco UCM Logo
NEC UNIVERGE Sphericall vs Cisco UCM
Compared 100% of the time
More Cisco UCM Competitors
Cisco Unified Communications vs Siemens OpenScape [EOL] Logo
Cisco Unified Communications vs Siemens OpenScape [EOL]
Compared 100% of the time
More Siemens OpenScape [EOL] Competitors
 

Product Reports

No data available
Buyer's Guide
Unified Communications
August 2025
Siemens OpenScape [EOL] reportDownload Siemens OpenScape [EOL] product report
 

Also Known As

UCM
OpenScape
 

Overview

Cisco Unified Communications Manager (UCM) is a powerful and scalable IP telephony solution that provides enterprise-level communication services. It offers a wide range of features, including call routing, conferencing, voicemail, and presence. With its intuitive user interface and robust security features, UCM enables organizations to enhance collaboration and streamline communication processes. It supports various endpoints, such as IP phones, softphones, and video conferencing devices, making it a versatile solution for businesses of all sizes.

Cisco

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

Siemens
 

Sample Customers

IBM, Microsoft, Apple, Amazon, Google, Facebook, Cisco Systems, Intel, Oracle, HP Inc., Dell Technologies, Verizon Communications, AT&T, Comcast, Time Warner, T-Mobile, Sprint, Vodafone, Orange, BT Group, Telefonica, Deutsche Telekom, Nokia, Ericsson, Samsung Electronics, LG Electronics, Sony, Panasonic, Siemens, General Electric, Ford Motor Company, Toyota Motor Corporation
China FAW Co. Ltd. R&D Center, NASA Goddard Space Flight Center, Pentair, Oklahoma City Air Logistics Center, Piaggio
See our list of best Mobile Communication Gateways vendors.

We monitor all Mobile Communication Gateways 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.