| 摘要 |
PURPOSE:To receive videotex service easily, by previously registering key words and originater ID information corresponding to subscribers of extensions of a private branch exchange and ordinary subscribers of a non-servicing exchange in videotex service offering exchange. CONSTITUTION:Videotex terminals B and C and remote videotex terminals D and E are respectively stored to a subscriber exchange 8 through a private exchange (PBX) 14 and subscriber's circuit 12 and a PBX or subscriber exchange 17, leased line 16, interface unit 15, and subscriber's circuit 13. An originater ID storing table 18, on the other hand, is provided on the subscriber exchange 8. The table 18 is specially provided for the videotex terminals B-E and key words and inherent originater ID information are previously stored in this table as a pair corresponding to the terminals B-E. Therefore, a subscriber can be specified at the exchange 8 and the subscriber can receive videotex service. |
