| 摘要 |
A method for communication between two access devices via one or more networks, comprising the steps: (a) receiving a transmission in a first format through a first communication network from a first access device, the first format comprising a telecommunication protocol for establishing and transmitting voice communication for a phone call in one of a digital telephone network, an analog telephone network, and a cellular network; (b) performing a first conversion converting the transmission from the first format to a second format, the second format being an internet protocol; sending the converted transmission through a second communication network, the second communication network being a data network, for reception by a second access device; and (c) performing a second conversion further converting the converted transmission from the second format to a further format suitable for the second access device, wherein the first access device and the second access device comprise telecommunication nodes, and said further format comprises said first format or another telecommunication protocol. |
