NEC UNIVERGE Sphericall is ranked 11th in Unified Communications while Siemens OpenScape is ranked 9th in Unified Communications. NEC UNIVERGE Sphericall is rated 0.0, while Siemens OpenScape is rated 0.0. On the other hand, NEC UNIVERGE Sphericall is most compared with 3CX Live Chat and Cisco UCM, whereas Siemens OpenScape is most compared with Cisco Unified Communications and 3CX Live Chat.
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