| 摘要 |
PURPOSE:To increase the service, by performing the absence guide service to the caller incoming so that the absence guide service request subscriber can know the telephone number and the date of incoming call of the caller incoming during the request of the absence guide service, afterward by means of telephone service. CONSTITUTION:In the telephone exchanging station B, with the incoming call to the subscriber SUBB during the absence guide service request, the communication line is connected to the audio service center to the caller SUBA via the outgoing trunk OGTA, incoming trunk ICT, and outgoing trunk OGTB, to perform the absence guide service to the caller SUBA. Further, the absence guide service request caller SUBB performs that it can know the telephone number and incoming data of the caller SUBA incoming during the absence guide service request through the telephone service by dialing a specific number. Thus, the increase in the absence guide service can be made. |
