| 摘要 |
PURPOSE:To call back a caller during stanby by allowing a subscriber possessing a pager to dial a special number and an own pager number from a conventional telephone set placed nearby when the subscriber recognizes an incoming call. CONSTITUTION:When the caller dials a telephone number of a pager subscriber from a conventional telephone set TA2, the TA2 is connected to a radio telephony exchange MTS5, which makes connection to a paging radio equipment TX4 and transmits a call signal 100. The TX4 transmits a call code 101 based thereupon. A call tone is transmitted from a callback tone trunk RBT51 to the TA2 to allow the caller to recognize the calling state. On the other hand, when the pager subscriber recognizing the incoming call dials a connection special number from a telephone set TB3 placed nearby, the MTS5 connects an incoming trunk ICT54 to a voice trunk ANT53 and a numeral number reception trunk REC55. The ANT53 transmits a message to the TB3 to give commands of transmission of a pager number and a secret number. |
