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Avaya S8500 Communications Manager 4.0 to Cisco Unity 7.0(2) using Cisco Unified SIP Proxy and PBX IP Media gateway (PDF - 758 KB)	Related Links Products Cisco Unity messaging Cisco Unified Communications Manager Cisco Unified Communications Manager Express Cisco Unified MeetingPlace® conferencing Cisco Unified Border Element Solutions Voice and Unified Communications Migration Solutions Cisco Unified Customer Contact Solutions Cisco IP Telephony Design Guides