Aastra 5000 is ranked 18th in Unified Communications while NetFortris Fonality Voice is ranked 20th in Unified Communications. Aastra 5000 is rated 0.0, while NetFortris Fonality Voice is rated 0.0. On the other hand, Aastra 5000 is most compared with , whereas NetFortris Fonality Voice is most compared with IceWarp.
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