Cisco VoIP PBX is ranked 2nd in IP PBX while ShoreTel Premises IP PBX is ranked 5th in IP PBX. Cisco VoIP PBX is rated 8.0, while ShoreTel Premises IP PBX is rated 0.0. The top reviewer of Cisco VoIP PBX writes "Provides support for help/service desk to be knowledgeable about all eGov infrastructure". On the other hand, Cisco VoIP PBX is most compared with 3CX Live Chat, Yeastar S-Series VoIP PBX and Yeastar K2, whereas ShoreTel Premises IP PBX is most compared with .
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