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现在，国内外跨国公司、连锁店等的经营模式越来越普及，基于这种情况，中国电信统一建设了覆盖至全国大多数城市和世界各地的交互式电话会议系统。t交互式电话会议业务基于电话交换网络，使分布在不同地方的参会者，通过通信终端设备（固定电话、移动电话、数字电话等），采用
Nowadays, the business models of multinational corporations, chain stores and the like are becoming more and more popular. Based on this situation, China Telecom has uninterruptedly established an interactive teleconferencing system covering most of the cities in China and around the world. t interactive teleconference business based on the telephone exchange network, so that participants distributed in different places, through the communication terminal equipment (landline, mobile phone, digital phone, etc.), using