Mitel Application Suite is ranked 12th in Unified Communications while Siemens OpenScape is ranked 9th in Unified Communications. Mitel Application Suite is rated 0.0, while Siemens OpenScape is rated 0.0. On the other hand, Mitel Application Suite is most compared with Alcatel-Lucent OpenTouch, Cisco Unified Communications, Digium Asterisk, Cisco Jabber and Fortinet FortiVoice, whereas Siemens OpenScape is most compared with 3CX, Cisco Unified Communications, Digium Asterisk and Cisco UCM.
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