以电话传送
1.Case in point: that capacity could be used to securely upload third-party software that would permit the phone to link to a free wireless local-area network (WLAN).
2.The IP phone using VoIP technology is the result of the combination of such chief technology, the packet technology on network taking IP as its sign, and the integrating technique of services on network taking real-time media transmission as its goal.
3.For the last several decades, communications has existed in three separate universes: Voice has gone over reserved end-to-end circuits through telco-switches, data has been delivered in packets over equipment maintained by IS staff and video has moved over the ether or half-duplex cable.

