Aastra 5000 is ranked 26th in Unified Communications while Digium Asterisk is ranked 3rd in Unified Communications. Aastra 5000 is rated 0.0, while Digium Asterisk is rated 0.0. On the other hand, Aastra 5000 is most compared with , whereas Digium Asterisk is most compared with Kamailio SIP Server, Cisco Unified Communications, 3CX Live Chat, Cisco Jabber and Alcatel-Lucent OpenTouch.
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