埃克伯格说：“通过现场电话拨入电视节目和互联网的结合，我们希望在我们的学校里建立一种兴奋感和参与感。”
"Through a combination of live call-in television and the Internet," says Eckberg, "we're hoping to build excitement and engagement in learning in our school."
选择列表中的端口类型，或者不选“限制拨入媒体”复选框。
Select port types in the list, or uncheck the 'Restrict Dial-in media' checkbox.
首先对调用方拨号，当用户加入后，再将其他参与者拨入到会议中。
The caller is dialed first, and when the users join, the other participants are dialed into the conference.
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