Patent ID: 6771636
Filing Date: 2004-08-03
Classification: H04Q

Abstract:
A method for transmitting data from a first private branch exchange via a computer network to a second private branch exchange, where a number plan is assigned to the first private branch exchange, and the number plan contains subscribers of the private branch exchanges and a respective private branch exchange associated with each subscriber, the method which comprises the following method steps:splitting data to be transmitted from a calling subscriber of a first private branch exchange to a called subscriber of the second private branch exchange into wanted data and control data with a first converter assigned to the first private branch exchange, wherein the wanted data contain wanted information and connection set-up information, and the control data are data for controlling the second private branch exchange; formulating, with the first converter, connection set-up information by using the number plan and determining destination address information and identifying a receiver device; converting, with a first switching unit assigned to the first private branch exchange, the wanted data and control data into data packets, and transmitting the data packets via a computer network to the receiver device designated by the destination address information; receiving the data packets with a second switching unit assigned to the second private branch exchange, converting the data packets into wanted data and control data, and passing the data on to a second converter; and joining the wanted data and the control data together with the second converter and forming data for further processing by the second private branch exchange.