| 摘要 |
A method and systems for communication between a first device migrated from a second communication network to a first communication network and a second device in a second communication network is provided. The first device uses a first Identifier (ID) in the first communication network and the second device uses a second ID in the second communication network. The method includes associating the first ID and a third ID. The third ID identifies the first device in the second communication network. The method further includes storing the association between the first ID and the third ID. Thereafter, a communication is established from the first device to the second device based on the association between the first ID and the third ID.
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