Patent ID: 7313610

Claim:
A method for determining an IP address that is uniquely assigned to a terminal arrangement connected to an IP network via a subscriber line of a telecommunications network, comprising the following steps of: allocating a unique identifier to the terminal arrangement by a network management device of the IP network; storing of the unique identifier in the peripheral area of the telecommunications network and in a network management unit for assigning IP addresses; assigning an IP address by the network management unit, taking into account the unique identifier stored in the network management unit; sending an IP address request message from the terminal arrangement to the network management unit, where the message contains the unique identifier previously stored in the peripheral area; and sending the assigned IP address from the network management unit to the terminal arrangement as response to the received IP-address request message; wherein the unique identifier in the peripheral area of the telecommunications network is stored in a network element, assigned to a number of subscriber lines, and is transferred to the terminal arrangement on initialization of the terminal arrangement.