(57) ABSTRACT A method is provided for maintaining a common billing identifier for a user
session in a communication network. In the method, an authentication request associated
with a user session is transferred from an access node of the communi cation network to an
authentication node of the network. The access node receives an authentication
acknowledgment transferred from the authentication node in response to the request. In
response to the acknowledgment, a billing identi fier associated with the user session is …

(57) ABSTRACT A method for maintaining a common billing identifier for a user session in a
communication network is presented. In the method, an authentication node of the
communication net work receives a first authentication request associated with a user
session. In response to the first authentication request, a billing identifier associated with the
user session is trans ferred from the authentication node to a source of the first
authentication request. A second authentication request asso ciated with the same user …