Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-10-10
1999-07-20
Dolinar, Andrew M.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
370337, 370348, H04Q 720
Patent
active
059267640
ABSTRACT:
The present invention relates to a method for establishing a telecommunication connection from a subscriber station (1, 9) of a radio system forming a wireless subscriber connection to a public switched telephone network (PSTN), in which method a call request is received from the subscriber station. For achieving a faster and simpler connection establishment than heretofore, a traffic channel is reserved from a data transfer channel (12) leading to the PSTN exchange (7) to be used by the subscriber station (1) that has sent a call request, a connection is established to the PSTN exchange (7), an acknowledgement message is sent to the subscriber station (1), and a speech path is connected between the PSTN exchange (7) and the user interface (2) of the subscriber station, whereby the sound signals fed by the PSTN exchange (7) are transmitted directly on the speech path to the user interface (2) of the subscriber station (1), and the diallings supplied from the user interface (2) of the subscriber station are transmitted to the PSTN exchange (7).
REFERENCES:
patent: 5633873 (1997-05-01), Kay et al.
Kononen Timo
Multanen Pekka
Rusi Pekka
Sarpola Jussi
Suhonen Aki
Dolinar Andrew M.
Nokia Telecommunications Oy
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