Earn 20 points
Cisco UCM is ranked 1st in Mobile Communication Gateways with 2 reviews while Siemens OpenScape is ranked 3rd in Mobile Communication Gateways. Cisco UCM is rated 7.0, while Siemens OpenScape is rated 0.0. The top reviewer of Cisco UCM writes "Useful and comprehensive server product but needs a lot of effort to set up". On the other hand, Cisco UCM is most compared with , whereas Siemens OpenScape is most compared with Cisco Unified Communications.
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