Patent ID: 6334053
Filing Date: 2001-12-25
Classification: H04M,H04W

Abstract:
Procedure for providing an answering service in a telecommunication network comprising a mobile communication network (1), which comprises a first short-message service centre (2); a telephone network (3) using digital signalling and connected to the mobile communication network; and a number of telecommunication terminals (4; 4.sup.1, 4.sup.2, . . . , 4.sup.n), which are compatible with the mobile communication and/or telephone network, in which procedure a response message is transmitted from a called party's telecommunication terminal to a calling party's telecommunication terminal after the calling party has tried to call the called party, who has activated the answering service in his/her telecommunication terminal, characterised in thatthe response message is a predetermined short message;the telephone network (3) is connected to the first short-message service centre (2) via a first telecommunication link (6);subscriber type identification of the calling party is added to the response message;the response message is transmitted to the first short-message service centre;the calling party's subscriber type is verified in the short-message service centre; andif the calling party is a subscriber in the telephone network, then the setup of a call to the calling party is started and the response message is sent to the calling party during the call setup procedure;if the calling party is a subscriber in the mobile communication network, then the response message is sent to the calling party via the first short-message service centre in accordance with the short message definitions of the mobile communication network known in themselves.