We performed a comparison between IceWarp and Polycom OTX based on real PeerSpot user reviews.
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IceWarp is ranked 6th in Email Applications with 15 reviews while Polycom OTX doesn't meet the minimum requirements to be ranked in Email Applications. IceWarp is rated 8.6, while Polycom OTX is rated 0.0. 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, IceWarp is most compared with Google Workspace, Zimbra Collaboration, Microsoft Exchange, Zoho Mail and KerioConnect, whereas Polycom OTX is most compared with Vertical Solutions Wave IP.
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