| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of useless traveling when a person being visited is not at home for delivery of goods or parcel delivery where a large number of homes are visited sequentially along a guide course. SOLUTION: Telephone numbers are inputted previously in correspondence with homes being visited and recorded in correspondence with a memory 50 of homes to be visited and a memory 53 of telephone number. At the time of traveling along a first guide course for visiting respective homes sequentially, a home to be visited next is selected at a selecting section 52 before traveling is started from one point to another, and that home is called by means of a portable telephone 47. When a ringing tone from a person at the other end of the line continues by a specified number of times or more or when a message of answer phone is delivered, a telephone response analyzing section 57 decides that a person being visited is not at home, a section 51 for setting the order of homes being visited sets an order for visiting that home last, and a guide course operating section 30 operates a new course according to that conditions and presents an operated guide course. The operation is repeated and all homes are visited sequentially. |
