callflow(new)

callflow(new)
文本预览:

MS Terminated Call Procedure

B

D

C

MSC

VLR

HLR

GMSC

IAI (TUP)

PSTN

MAP_SEND_ROUTING_ INFORMATION MAP_PROVIDE_ROAMING_ NUMBER

MAP_PROVIDE_ROAMING_ NUMBER ACK MAP_SEND_ROUTING_ INFORMATION ACK

IAI (TUP)

MAP_SEND_INFO_I/C_CALL

MAP_PAGE

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