We performed a comparison between IceWarp and Kamailio SIP Server based on real PeerSpot user reviews.
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IceWarp is ranked 6th in Email Applications with 15 reviews while Kamailio SIP Server is ranked 2nd in Unified Communications. IceWarp is rated 8.6, while Kamailio SIP Server is rated 10.0. The top reviewer of IceWarp writes "A tool that is scalable and can accommodate a large number of users but needs to improve the support it provides to its users ". On the other hand, the top reviewer of Kamailio SIP Server writes "The server itself does load balancing however building a fail-over for it is difficult". IceWarp is most compared with Google Workspace, Zimbra Collaboration, Microsoft Exchange, Zoho Mail and KerioConnect, whereas Kamailio SIP Server is most compared with Digium Asterisk, 3CX Live Chat, Cisco Jabber, Genesys PureConnect and Skype for Business.
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