Aastra 5000 is ranked 18th in Unified Communications while Fortinet FortiVoice is ranked 5th in Unified Communications. Aastra 5000 is rated 0.0, while Fortinet FortiVoice is rated 10.0. On the other hand, the top reviewer of Fortinet FortiVoice writes "I like the integration with all SIP phone devices or apps". Aastra 5000 is most compared with , whereas Fortinet FortiVoice is most compared with Cisco Unified Communications, Digium Asterisk, 3CX Live Chat, Mitel Application Suite and Avaya Spaces.
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