问:什么是VoIP? 答:VoIP电话/传真IP网关建立了一种在任何企业集团IP网上叠加声音和传真的方法。VoIP允许来自于公司网络中任何电话或传真的用户。通过IP网,可拨打公司内部免费电话,PTT/G.729付费电话等。问:为什么通过IP传输声音? 答:公司切断内部的电话/传真通讯需要另外支付70-80％。VoIP做这项工作无须另外支 Q. What is VoIP? A: The VoIP phone / fax IP gateway establishes a way to overlay sound and fax on any corporate IP network. VoIP allows users from any phone or fax in the corporate network. Through the IP network, you can call the company’s internal toll-free number, PTT / G.729 pay phone. Q: Why do I send voice over IP? A: The company needs to pay an extra 70-80% for cutting off internal phone / fax communications. VoIP does this work without additional support