Cisco Unified Communications is ranked 4th in Unified Communications while Digium Switchvox is ranked 15th in Unified Communications. Cisco Unified Communications is rated 9.0, while Digium Switchvox is rated 9.0. The top reviewer of Cisco Unified Communications writes "I find the ability to block incoming calls based on the originating number to be the best feature, but the reporting system needs to be more in-depth". On the other hand, the top reviewer of Digium Switchvox writes "Integrated chat system enables you to send a quick message to a work colleague without calling the person". Cisco Unified Communications is most compared with Fortinet FortiVoice, Cisco Jabber, Digium Asterisk, Skype for Business and Siemens OpenScape, whereas Digium Switchvox is most compared with .
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