| 摘要 |
PROBLEM TO BE SOLVED: To utilize the function of a wired telephone terminal on a portable telephone line by easily connecting the wired telephone terminal that requires station power to a portable telephone set. SOLUTION: A subscriber interface circuit 41 having a dial function and a call reception function including a station power function is mounted in a charging base 30 of a portable telephone set 20 and the subscriber interface circuit 41 and the portable telephone set 20 are connected by a 1st transmission line 43 and the subscriber interface circuit 41 and a wired telephone set 5u are connected by a 2nd transmission line 44 to allow the wired telephone set to attain dialing and call reception via a public line line WLp. |
