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3CX Live Chat is ranked 1st in Unified Communications with 54 reviews while Avaya one-X [EOL] doesn't meet the minimum requirements to be ranked in Unified Communications. 3CX Live Chat is rated 8.8, while Avaya one-X [EOL] is rated 8.0. The top reviewer of 3CX Live Chat writes "Any easy-to-use solution that is good for small-scale clients ". On the other hand, the top reviewer of Avaya one-X [EOL] writes "Allows users to be on the move and still provide them with the ability to answer their desk phone". 3CX Live Chat is most compared with Yeastar S-Series VoIP PBX, Cisco VoIP PBX, Webex, Kamailio SIP Server and Fortinet FortiVoice, whereas Avaya one-X [EOL] is most compared with Toshiba IPedge.
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