Patent ID: 7039416

Claim:
Method for adapting a number of radio bearers of a connection between a user equipment and a Telecommunications network operating according to Universal Mobile Telecommunication System standards from a first number of radio bearers appropriate for a first service to a second number of radio bearers appropriate for a second service, wherein the user uses the first service when the second service is offered as a waiting call, the method comprising the steps of: indicating the beginning of the adaptation by sending a radio access bearer assignment message from a mobile services switching centre to a radio network controller, sending, from the radio network controller to the user equipment, a radio bearer setup message for changing the number of radio bearers for the connection, modifying the number of radio bearers supported for the connection in the user equipment from the first number of bearers to the second number of bearers, acknowledging the modification by sending a radio bearer setup complete message from the user equipment to the radio network controller, and indicating the completion of the adaptation to the mobile services switching centre by sending a radio access bearer assignment response message from the radio network controller to the mobile services switching centre.