| 摘要 |
The present invention relates to a vehicular call support system and a vehicular call support method to prevent calls from disconnected inside a vehicle by turning the vehicle into a cranking state and dropping the voltage of an ACC signal to 0 V and to support calls inside the vehicle in the cranking state using a vehicular communication system by measuring the voltage changes of ACC and ignition (IGN1) signals. [Reference numerals] (101) First determination circuit;(102) Second determination circuit;(103) Determination unit;(104) Control unit;(AA) Cranking status information;(BB) ACC On/Off signal;(CC) I GN1 On/Off signal;(DD) ACC signal;(EE) I GN1 signal |
