MS Terminated Call Procedure
B MS
C PSTN
HLR GMSC
D C
VLR MAP_SEND_ROUTING_INFORMATION
IAI (TUP)
MAP_PROVIDE_ROAMING_NUMBER
MAP_PROVIDE_ROAMING_NUMBER ACK
MAP_SEND_ROUTING_INFORMATION ACK
IAI (TUP)
MAP_SEND_INFO_I/C_CALL
MAP_PAGE
MS Terminated Call Procedure
Continue 1
MS
MSC
BTS
BSC
(IMSI/TMSI,LAI or CGI)
(IMSI/TMSI,pag group,ch)
Channel Request
Channel Required
Channel Activation
Channel Activation ACK
Immediate Assignment
(L2 -UI)
A interface
Abis interface
Um interface
BSSMAP
董泽平
Paging RESP (L2-SABM)
EST IND(Paging Resp)
Paging Resp
CR(COMPL -L3 -INFO)L2 -UA
(CKSN,MS ID,CGI,CLrk2)
CC
RR(SDCCH)
RR(SDCCH)林荫道
BSSMAP
Paging
Immediate Assign Command
T3113 +
T3113 -
3120 +
3120 -
T3101 +
T3101 -Paging(UDT)
Paging Command
Paging Request (L2-UI)
RR(PCH)
(IMSI/TMSI)
RR(RACH)
T RR(AGCH)
T
MS Terminated Call Procedure Continue 2
MM(SDCCH) MM(SDCCH)
RR(SDCCH)
RR(SDCCH)
BTS
DATA REQ<AUTH>
ENCR CMD
CIPHER MOD CMD
Abis interface
Um interface
AUTH RESPONSE
DATA IND<AUTH>
CIPHER MOD COM
BSC
AUTH REQUEST (DT1)
(CKSN, RAND)
AUTH RESPONSE (DT1)
A interface
CIPHER MOD CMD(DT1)
(algo nb,key)
(SRES)
DATA IND
<CIPH MOD COM>
CIPHER MOD COM(DT1)
BSSMAP
DATA REQ
TMSI REAL CMD
TMSI REAL COM
DATA IND
(new TMSI,LAI)
x射线机
寒暄语<TMSI REAL CMD>
<TMSI REAL COM>TMSI REAL COM (DT1)
TMSI REAL CMD (DT1)DTAP-MM
DTAP-MM
MAP_AUTHENTICATE
MAP_AUTHENTICATE ACK
MAP_SET_CIPHERING_MODE
MAP_FORWARD_NEW_TMSI
MAP_FORWARD_NEW_TMSI ACK
B interface
T3260 +
土田健次郎
T3260 -
MAP_PROCESS_ACCESS_REQ
MAP_PROCESS_ACCESS_REQ_ACK
MS MSC
VLR
DTAP-MM
AUTH REQUEST
DTAP-MM
BSSMAP
MM(SDCCH)
MM(SDCCH)
MS Terminated Call Procedure
Continue 3
A interface
B interface
CC(SDCCH )
CC(SDCCH)
DTAP-CC
DTAP-CC
MS
BTS
Um interface
CALL CONFIRMED
DATA IND <SET UP>
<CALL CONF>
Abis interface
BSC
MSC
VLR
MAP_COMPLETE_CALL
SET-UP (DT1)
T303 +
DATA REQ SET-UP
CALL CONF (DT1)T303 -T310 +
MS Terminated Call Procedure
Continue 4
MS
MSC
BTS
BSC
(Ch type,CIC,L3hd)
QUEUING(DT1)
Channel ACTIV
DATA REQ Channel Activation ACK
RELEASE REQ
RR(FACCH)
A interface
Abis interface
BSSMAP
PHYS CTX CONF (TCH)
<ASSIGN CMD>
RR(SDCCH)
(local end)
(L2 -SABM)
EST IND
RR(FACCH)
RR(FACCH)
DATA IND <ASSIGN COM>
ASSIGN COM(DT1)
RF CHAN REL (SDCCH)
BSSMAP
RF CHAN REL ACK
(BS/MS POW,TA)
CC
TNT2 +
TNT2 -
T9103 +
T9103 -
Um interface
古老的歌谣ASSIGN REQ(DT1)PHYS CTX REQ
BSSMAP
ASSIGN CMD
(L2 -UA)
ASSIGN COM
Radio-resource assignment
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