Anordning og fremgangsmÕte for oppsetting av en telefonsamtale

A method and an arrangement for making a telephone call by a terminal is disclosed. A desired predefined service number is announced to an exchange, which identifies the number and subsequently connects the call to an intelligent network. A predefined personal identification number and password are announced in accordance with the instructions of the intelligent network and the right of use is verified in the intelligent network. Thereafter the user is provided with an access to a certain predefined number space. A number operating in said desired number space is selected in the telephone of the user, wherein the prefix of said number is converted under a control by the intelligent network to enable the access to the number space, to route the call in the intelligent network to a subscription disclosed by the converted prefix and the number.