If you are using a dial - up modem or have a slow connection to the internet , you should order the cd rather than download the service pack 如果您使用的是拨号调制解调器或interne连接速度较慢，则应订购cd ，而不要下载service pack 。
3.
In jul 1997 , ietf was initiated by the bell lab , and erected up the pstn interne ( pint ) interworking force aimed to make the ip users to use the traditional services of the pstn by the most popular www application and research the network framework and protocols that provide this function 1997年7月， ietf由贝尔实验室发起，成立了pstn internet互通( pint )工作组，目的在于使ip用户能通过最流行的www应用来使用pstn的传统业务，研究支持该功能的网络结构和协议。
