Cisco Unified Communications is ranked 3rd in Unified Communications with 2 reviews while Siemens OpenScape is ranked 9th in Unified Communications. Cisco Unified Communications is rated 10.0, while Siemens OpenScape is rated 0.0. The top reviewer of Cisco Unified Communications writes "Enriched communications between coworkers shortening the time necessary for a call". On the other hand, Cisco Unified Communications is most compared with Cisco Jabber, Fortinet FortiVoice, Digium Asterisk, 3CX Live Chat and Alcatel-Lucent OpenTouch, whereas Siemens OpenScape is most compared with 3CX Live Chat, Cisco UCM and Kamailio SIP Server.
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