FIELD: information technology.
SUBSTANCE: method comprises the following steps: receiving a message through a media gateway for adding the terminal point of the wireless communication side, allocating an IP address and a port number for the call and sending a reply message containing the IP address and port number allocated for the call; the IP address and port number are received through the media gateway, which are allocated for the base station controller call, through the server of the mobile services switching centre and the IP carrier channel with the base station controller is setup.
EFFECT: high quality of speech in a GSM network owing to use of an IP carrier channel in an A-interface between a BSC and MGW.
28 cl, 22 dwg
