听力文本：

Thank you for calling Portable Telecommunications. If you know your party's extension, you may dial it at any time. If you would like to speak with a customer service representative, please stay on the line, and a representative will answer your call in the order it was received. If you'd like more information about Portable Telecom's new XT 5000 mobile phone with GPS, Internet browsing, and the highest megapixel camera on the market, please press “one". Again, thank you for holding the line. A customer service representative will be with you shortly.
感谢您致电便携通讯。如果您知道想要办理业务的分机号，您随时可以拨号。如果您希望与我们的客服代表通话请不要挂断，我们的坐席代表会按照来电顺序接听顾客来电。如果您希望获得关于便携通讯带有GPS定位、上网以及目前市场上最高清摄像功能的新产品XT 5000的更多信息请按1.再次感谢您的致电，我们的坐席代表很快将接听您的电话。
What business is mentioned?
以上提到了什么业务？
What should callers do to talk to a representative?
要想跟坐席代表通话需要做什么？
What is true according to the message?
根据以上内容判断正误。