| 摘要 |
PURPOSE:To make a call in safety during car drive and also to quicken the call, by connecting a mobile station to the dispatching box of the group to which the mobile station belongs in group mode only setting the handset off the hook. CONSTITUTION:On the detection of call signal 500 of automatic telephone set 308 via radio base station 307 by controller 304 of car telephone exchange 302, a dispatching box with a dispatching box number stored at a memory place that corresponds to the car telephone set is called, when a group-mode call is judged from mode display part 203 (204 is the car telephone number) in call signal 500, and then connected via switch network 304. When unit 304 detects a call from dispatching box 301, unit 304 connects dispatching box 301 to general displatching distributor 306 via network 303 to attain access to car telephone numbers stored at memory places corresponding to dispatching boxes successively and then connects responding car telephone sets to unit 306 via network 303 in sequence. Therefore, a call to the dispatching box of the group to which the caller belongs can be made in group mode only by putting the handset off the hook and general dispatching can be attained. |
