| 摘要 |
A conference calling spread-spectrum communications system and method using a plurality of spread-spectrum units, any one of which may serve as the base station and where the base station may be changed upon demand. Each spread-sprectrum unit includes a base subunit (11-21), a remote subunit (40), and a command subunit (41-44). An operator may initiate from the command subunit (41-44), a command signal to activate the base subunit (11-21). Accordingly, upon initiating the command signal, the command signal is broadcast to the plurality of spread-spectrum units. At the respective remote subunit (40), in each of the spread-spectrum units, the command signal is received, and in response to receiving the command signal, the remote subunit (40) is activated.
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