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Microsoft Office Communications Server 管理所有实时（同步）沟通，包括即时沟通、VoIP、音频/视频会议。它与现有的远程沟通系统配套使用，使企业可以在不拆除传统电话网络的情况下部署高级 VoIP 和会议功能。
Nortel Converged Office for Microsoft® Office Communications Server 2007
Nortel Multimedia Conferencing for Office Communications Server 2007
Nortel Unified Communications Integrated Branch
Nortel SIP integration with Microsoft® Exchange Server 2007 Unified Messaging
Nortel Converged Office for Microsoft® Office Communications Server 2007
Nortel Multimedia Conferencing for Office Communications Server 2007
Nortel Unified Communications Integrated Branch
Nortel SIP integration with Microsoft® Exchange Server 2007 Unified Messaging
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