| 摘要 |
A user of a first packet-based communication network is authorized to access a second packet-based communication network. In at least some embodiments, an authorization request is received from a user terminal of the user at a first network element of the first packet-based communication network, the authorization request comprising a first user identity. Responsive to the authorization request, a request is transmitted to create a second user identity from the first network element to a second network element of the second packet-based communication network. The second network element creates the second user identity for use in the second packet-based communication network, the second user identity being derivable from the first user identity according to a predetermined rule. The second user identity in the second packet-based communication network is stored for use with subsequent communication events over the second packet-based communication network.
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