Digium Asterisk is ranked 2nd in Unified Communications while Kamailio SIP Server is ranked 4th in Unified Communications. Digium Asterisk is rated 0.0, while Kamailio SIP Server is rated 0.0. On the other hand, Digium Asterisk is most compared with Cisco Unified Communications, Cisco Jabber, 3CX Live Chat, Fortinet FortiVoice and Alcatel-Lucent OpenTouch, whereas Kamailio SIP Server is most compared with Skype for Business, 3CX Live Chat, Huawei SoftCo, Cisco Jabber and Avaya Spaces.
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