| 摘要 |
A method of sending BSSAP+ messages over a SGSN/VLR interface of a mobile telecommunications system, the method comprising incorporating into BSSAP+ messages, or appending thereto, an identifier which allows the messages to be associated with the transactions to which they relate. This may be achieved either by placing the BSSAP+ protocol layer over the TCAP layer whereby the TCAP Transaction ID provides the identifier or by modifying the BSSAP+ protocol to allow for inclusion of the identifier directly into the BSSAP+ messages.
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