构建了一个基于数字语音交换技术的多方会议系统。
A multiuser conference system based on the digital audio exchange technology is constructed.
介绍了系统结构、工作原理，阐述了数字语音交换、混合等关键技术和基本原理。
The system structure and work theory are introduced. The key technology and basic theory of the digital audio exchange and mixing are expatiated.
没有可视语音邮件（语音邮件消息出现在文本列表里），也不兼容微软交换群组软件。
There’s no Visual Voicemail (voice mail messages appear in a written list) or Microsoft Exchange compatibility, either.
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