ngn軟交換基礎(chǔ)知識培訓__sigtran協(xié)議原理及應用(文件)
【正文】 A S 3S S 1S G 1 A S 2 A S 4 A S 3 A S 1 A S 1 A S 3 A S 4 A S 2A S P 1A S P 2A S P 5A S P 6A S P 1A S P 2A S P 5A S P 6A S P 3A S P 4A S P 7A S P 8A S P 3A S P 4A S P 7A S P 8S S 2 A S 1A S P 1A S P 3A S P 2A S P 4S G 2A S P 1A S P 3A S P 2A S P 4A S P 5A S P 7A S P 6A S P 8A S P 5A S P 7A S P 6A S P 8T G 2S S S GT G 1T G 2AS和 ASP的關(guān)系 25 ASP狀態(tài) AS P AC TI VEORAS P ST AN DBYAS P IN AC TAS P DO WNAS PUPAS P DO WN /SC TP C DIAS PIN AC TAS PAC TI VEAS P DO WN /SC TP C DIAL TE RN AT EAS PTA KE OV ER26 AS狀態(tài) AS I NA CTAS P EN DIN G(q ue ue ing )AS D OW NAS A CT IVEOn e AS P t ra ns A CTI VEon e AS P t ra ns t o AC TIV Eon e AS Ptr an sto I NA CTal l AS Ptr an s toDO WNTr T ri gge rat l ea st on eAS P in IN AC TTr T ri gge r no A SPin I NA CT st at e27 M3UA消息流程 I ASP UP ASP UP ACK ASP ACTIVE ASP ACTIVE ACK SG ASP Heartbeat (BEAT) Heatbeat Ack (BEAT ACK) 28 M3UA消息流程 II ASP UP ASP UP Ack ASP Active(Ldshr) ASP Active Ack SG ASP1 ASP2 ASP UP
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