ShoreTel Sky is ranked 15th in Unified Communications while Siemens OpenScape is ranked 9th in Unified Communications. ShoreTel Sky is rated 0.0, while Siemens OpenScape is rated 0.0. On the other hand, ShoreTel Sky is most compared with Cisco Jabber, whereas Siemens OpenScape is most compared with 3CX Live Chat, Cisco Unified Communications, Cisco UCM, Digium Asterisk and Mitel Application Suite.
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