| 摘要 |
In a packet data communication system, a first communication device and a second communication device, connected to each other by an A8/A9 interface, exchange software version information informing of the version of software that is stored in, and executed by, each communication device. The software version information is included in independent, self-contained software version messages and software version acknowledgment messages that may be exchanged at any time between the first communication device and the second communication device, such as during call set up or in response to a disruptive event. |
