1、GSM CALL FLOW,Mar7, 2001,MSC,PSTN,HLR,GMSC,MAP_SEND_ROUTING_ INFORMATION,IAI (TUP),MS Terminated Call Procedure/被叫流程,VLR,MAP_PROVIDE_ROAMING_ NUMBER,D,C,B,MAP_PROVIDE_ROAMING_ NUMBER ACK,MAP_SEND_ROUTING_ INFORMATION ACK,IAI (TUP),MAP_PAGE,MAP_SEND_INFO_I/C_CALL,MS,MSC,BTS,BSC,Paging(UDT),(IMSI/TMSI

2、,LAI or CGI),Paging Command,(IMSI/TMSI,pag group,ch),Paging Request (L2-UI),(IMSI/TMSI),RR(PCH),RR(RACH),Channel Request,Channel Required,Channel Activation,Channel Activation ACK,Immediate Assignment,RR(AGCH),(L2 - UI),A interface,Abis interface,Um interface,BSSMAP,Continue 1,Paging RESP (L2-SABM),

3、EST IND(Paging Resp),Paging Resp,CR(COMPL - L3 - INFO),L2 - UA,(CKSN,MS ID,CGI,CLrk2),CC,RR(SDCCH),RR(SDCCH),BSSMAP,Paging,MS Terminated Call Procedure,Immediate Assign Command,T3113 +,T3113 -,T3120 +,T3120 -,T3101 +,T3101 -,MM(SDCCH),MM(SDCCH),RR(SDCCH),DTAP-MM,RR(SDCCH),DTAP-MM,BSSMAP,MS,BTS,DATA

4、REQ,AUTH REQUEST,ENCR CMD,CIPHER MOD CMD,Abis interface,Um interface,AUTH RESPONSE,DATA IND,CIPHER MOD COM,MSC,BSC,AUTH REQUEST (DT1),(CKSN, RAND),AUTH RESPONSE (DT1),A interface,CIPHER MOD CMD(DT1),(algo nb,key),(SRES),DATA IND,CIPHER MOD COM(DT1),BSSMAP,Continue 2,DATA REQ,TMSI REAL CMD,TMSI REAL

5、COM,DATA IND,(new TMSI,LAI),TMSI REAL COM (DT1),TMSI REAL CMD (DT1),DTAP-MM,DTAP-MM,MM(SDCCH),MM(SDCCH),MS Terminated Call Procedure,VLR,MAP_AUTHENTICATE,MAP_AUTHENTICATE ACK,MAP_SET_CIPHERING_MODE,MAP_FORWARD_NEW_TMSI,MAP_FORWARD_NEW_TMSI ACK,B interface,T3260 +,T3260 -,MAP_PROCESS_ACCESS_REQ,MAP_P

6、ROCESS_ACCESS_REQ_ACK,CC(SDCCH),CC(SDCCH),DTAP-CC,DTAP-CC,Continue 3,MS,BTS,DATA REQ,SET-UP,Abis interface,Um interface,CALL CONFIRMED,DATA IND,MSC,BSC,SET-UP (DT1),CALL CONF (DT1),A interface,T303 +,MS Terminated Call Procedure,T303 - T310 +,VLR,B interface,MAP_COMPLETE_CALL,MS,MSC,BTS,BSC,ASSIGN R

7、EQ(DT1),(Ch type,CIC,L3 hd),PHYS CTX REQ,QUEUING(DT1),Channel ACTIV,DATA REQ,Channel Activation ACK,RELEASE REQ,ASSIGN COM,RR(FACCH),A interface,Abis interface,Um interface,BSSMAP,Continue 4,PHYS CTX CONF,BSSMAP,(TCH),ASSIGN CMD,RR(SDCCH),(local end),(L2 - SABM),EST IND,(L2 - UA),RR(FACCH),RR(FACCH)

8、,DATA IND,ASSIGN COM(DT1),RF CHAN REL,(SDCCH),BSSMAP,RF CHAN REL ACK,(BS/MS POW,TA),Radio-resource assignment,MS Terminated Call Procedure,CC,TNT2 +,TNT2 -,T9103 +,T9103 -,CC(FACCH),CC(FACCH),DTAP-CC,DTAP-CC,MS,ALERTING,Um interface,CONNECT,MSC,CONNECT (DT1),Continue 5,CONNECT ACK (DT1),DTAP-CC,BTS,

9、DATA IND,Abis interface,DATA IND,BSC,ALERTING (DT1),A interface,DATA REQ,CONNECT ACK,CC(FACCH),GMSC,PSTN,ACM(TUP),ACM(TUP),ANC(TUP),ANC(TUP),MS Terminated Call Procedure,E interface,T310 - T301 +,T301 -,T313 -,T313 +,MS,(L2 - UA),RR(FACCH),Um,DTAP-CC,Continue 6,DTAP-CC,RELEASE,CC(FACCH),CHAN REL,(L2

10、 - DISC),RR(FACCH),RR(FACCH),BSSMAP,Radio-resource release,DISCONNECT,CC(FACCH),RELEASE COM,CC(FACCH),DTAP-CC,BSSMAP,BTS,DATA IND,RF CHAN REL ACK,DEACT SACCH,MSC,BSC,DISCONNECT(DT1),RELEASE(DT1),DATA REQ,DATA IND,RELEASE COM(DT1),CLEAR CMD(DT1),A,Abis,DATA REQ,CLEAR COM(DT1),RF CHAN REL,REL IND,(Mob

11、ile Release First),GMSC,PSTN,CBK(TUP),CBK(TUP),CLF(TUP),CLF(TUP),RLG(TUP),RLG(TUP),MS Terminated Call Procedure,E,DEACT SACCH ACK,T308 +,T308 -,TNT3 +,TNT3 -,T3109 +,T3109 - T3111 +,T3111 -,MS,MSC,RELEASE COM(DT1),(L2 - UA),RR(FACCH),Um,DTAP-CC,Continue 7,DTAP-CC,RELEASE,CC(FACCH),CHAN REL,(L2 - DIS

12、C),RR(FACCH),RR(FACCH),CLEAR COM(DT1),BSSMAP,DISCONNECT,CC(FACCH),RELEASE COM,CC(FACCH),DTAP-CC,BSSMAP,BTS,DATA REQ,DATA IND,DATA REQ,Abis,DATA REQ,RF CHAN REL,RF CHAN REL ACK,Radio-resource release,DEACT SACCH,REL IND,BSC,DISCONNECT(DT1),RELEASE(DT1),CLEAR CMD(DT1),A,(Mobile Release last),GMSC,PSTN

13、,CLF(TUP),CLF(TUP),RLG(TUP),RLG(TUP),MS Terminated Call Procedure,DEACT SACCH ACK,T305 +,T305 -,TNT3 +,TNT3 -,T3109 - T3111 +,T3111 -,T3109 +,E,MS,MSC,BTS,BSC,RR(RACH),Channel Request,Channel Required,Channel Activation,Channel Activation ACK,Immediate Assignment,RR(AGCH),(L2 - UI),A interface,Abis

14、interface,Um interface,Mobile - Originating Call Procedure,CM SERV REQ (L2-SABM),EST IND,CR(COMPL - L3 - INFO),L2 - UA,(CKSN,MS ID,SER type,CLmk),CC,RR(SDCCH),RR(SDCCH),BSSMAP,Immediate Assign Command,(SDCCH ID),T3120 +,T3120 -,T3101 +,T3101 -,T303 +,VLR,MAP_PROCESS_ACCESS_REQ,B interface,Mobile - O

15、riginating Call Procedure,MM(SDCCH),MM(SDCCH),RR(SDCCH),DTAP-MM,RR(SDCCH),DTAP-MM,BSSMAP,MS,BTS,DATA REQ,AUTH REQUEST,ENCR CMD,CIPHER MOD CMD,Abis interface,Um interface,AUTH RESPONSE,DATA IND,CIPHER MOD COM,MSC,BSC,AUTH REQUEST (DT1),(CKSN, RAND),AUTH RESPONSE (DT1),A interface,CIPHER MOD CMD(DT1),

16、(algo nb,key),(SRES),DATA IND,CIPHER MOD COM(DT1),BSSMAP,Continue 1,DATA REQ,TMSI REAL CMD,TMSI REAL COM,DATA IND,(new TMSI,LAI),TMSI REAL COM (DT1),TMSI REAL CMD (DT1),DTAP-MM,DTAP-MM,MM(SDCCH),MM(SDCCH),VLR,MAP_AUTHENTICATE,MAP_AUTHENTICATE ACK,MAP_SET_CIPHERING_MODE,MAP_FORWARD_NEW_TMSI,MAP_FORWA

17、RD_NEW_TMSI ACK,B interface,T3260 +,T3260 -,MAP_PROCESS_ACCESS_REQ_ACK,CC(SDCCH),CC(SDCCH),DTAP-CC,DTAP-CC,Continue2,MS,BTS,DATA IND,SET-UP,Abis interface,Um interface,CALL PROCEEDING,DATA REQ,MSC,BSC,SET-UP (DT1),CALL PROCEEDING (DT1),A interface,T303 - T310 +,Mobile - Originating Call Procedure,MA

18、P_SEND_INFO_FOR_O/G_CALL,VLR,B interface,MAP_COMPLETE_CALL,MS,MSC,BTS,BSC,ASSIGN REQ(DT1),(Ch type,CIC,L3 hd),PHYS CTX REQ,QUEUING(DT1),Channel ACTIV,DATA REQ,Channel Activation ACK,RELEASE REQ,ASSIGN COM,RR(FACCH),A interface,Abis interface,Um interface,BSSMAP,Continue 3,PHYS CTX CONF,BSSMAP,(TCH),

19、ASSIGN CMD,RR(SDCCH),(local end),(L2 - SABM),EST IND,(L2 - UA),RR(FACCH),RR(FACCH),DATA IND,ASSIGN COM(DT1),RF CHAN REL,(SDCCH),BSSMAP,RF CHAN REL ACK,(BS/MS POW,TA),Radio-resource assignment,Mobile - Originating Call Procedure,CC,T9103 +,T9103 -,TNT2 +,TNT2 -,CC(FACCH),CC(FACCH),DTAP-CC,DTAP-CC,MS,

20、ALERTING,Um interface,CONNECT,MSC,CONNECT (DT1),Continue 4,CONNECT ACK (DT1),DTAP-CC,BTS,DATA REQ,Abis interface,DATA REQ,BSC,ALERTING (DT1),A interface,DATA IND,CONNECT ACK,CC(FACCH),GMSC,PSTN,ACM(TUP),ACM(TUP),ANC(TUP),Mobile - Originating Call Procedure,IAI(TUP),IAI(TUP),ANC(TUP),E interface,T310

21、 -,T313 +,T313 -,MS,RR(FACCH),Um,DTAP-CC,Continue 5,DTAP-CC,RELEASE,CC(FACCH),RR(FACCH),RR(FACCH),DISCONNECT,CC(FACCH),RELEASE COM,CC(FACCH),DTAP-CC,BTS,DATA IND,MSC,BSC,DISCONNECT(DT1),RELEASE(DT1),DATA REQ,DATA IND,RELEASE COM(DT1),A,Abis,(Mobile Release First),GMSC,PSTN,Mobile - Originating Call

22、Procedure,CLF(TUP),CLF(TUP),(L2 - UA),CHAN REL,(L2 - DISC),BSSMAP,Radio-resource release,BSSMAP,RF CHAN REL ACK,DEACT SACCH,CLEAR CMD(DT1),DATA REQ,CLEAR COM(DT1),RF CHAN REL,REL IND,RLG(TUP),RLG(TUP),E,DEACT SACCH ACK,T305 +,T305 - T308 +,T308 -,TNT3 +,TNT3 -,T3109 +,T3109 - T3111 +,T3111 -,MS,RR(F

23、ACCH),Um,DTAP-CC,Continue 6,DTAP-CC,RELEASE,CC(FACCH),RR(FACCH),RR(FACCH),DISCONNECT,CC(FACCH),RELEASE COM,CC(FACCH),DTAP-CC,BTS,DATA REQ,MSC,BSC,DISCONNECT(DT1),RELEASE(DT1),DATA IND,DATA IND,RELEASE COM(DT1),A,Abis,(Mobile Release Last),GMSC,PSTN,Mobile - Originating Call Procedure,CLF(TUP),RLG(TU

24、P),RLG(TUP),(L2 - UA),CHAN REL,(L2 - DISC),BSSMAP,Radio-resource release,BSSMAP,RF CHAN REL ACK,DEACT SACCH,CLEAR CMD(DT1),DATA REQ,CLEAR COM(DT1),RF CHAN REL,REL IND,CBK(TUP),CBK(TUP),CLF(TUP),E,DEACT SACCH ACK,T3109 +,T305 +,T305 - T308 +,T308 -,TNT3 +,TNT3 -,T3109 - T3111 +,T3111 -,MS,MSC,BTS,BSC

25、,RR(RACH),Channel Request,Channel Required,Channel Activation,Channel Activation ACK,Immediate Assignment,RR(AGCH),(L2 - UI),A interface,Abis interface,Um interface,LOC UPDAT REQ,EST IND,CR(COMPL - L3 - INFO),L2 - UA,(CKSN,MS ID,LUT,LAI,CLmk1),CC,RR(SDCCH),RR(SDCCH),BSSMAP,Immediate Assign Command,(

26、SDCCH ID),(L2-SABM),INTRA_VLR LOCATION UPDATING,OR IMSI ATTACH( in old VLR ),*,* : This message is sent by the MS to the network either to request update of its location (normal updating or periodic updating) or to request IMSI attach .,T3120 +,T3120 -,T3101 +,T3101 -,T3210 +,Continue 1,MM(SDCCH),MM

27、(SDCCH),RR(SDCCH),DTAP-MM,RR(SDCCH),DTAP-MM,BSSMAP,MS,BTS,DATA REQ,AUTH REQUEST,ENCR CMD,CIPHER MOD CMD,Abis interface,Um interface,AUTH RESPONSE,DATA IND,CIPHER MOD COM,MSC,BSC,AUTH REQUEST (DT1),(CKSN, RAND),AUTH RESPONSE (DT1),A interface,CIPHER MOD CMD(DT1),(algo nb,key),(SRES),DATA IND,CIPHER M

28、OD COM(DT1),BSSMAP,DATA REQ,TMSI REAL CMD,TMSI REAL COM,DATA IND,(new TMSI,LAI),TMSI REAL COM (DT1),TMSI REAL CMD (DT1),DTAP-MM,DTAP-MM,MM(SDCCH),MM(SDCCH),VLR,MAP_AUTHENTICATE,MAP_AUTHENTICATE ACK,MAP_SET_CIPHERING_MODE,B interface,T3260 +,T3260 -,MAP_UPDATE_ LOCATION_AREA,MAP_FORWARD_NEW_TMSI,MAP_

29、FORWARD_NEW_TMSI ACK,MAP_UPDATE_LOCATION_AREA ACK,INTRA_VLR LOCATION UPDATING,OR IMSI ATTACH( in old VLR ),RR(SDCCH),Continue 2,MM(SDCCH),RR(SDCCH),RR(SDCCH),MS,Um,DTAP-MM,Loc Upd Acc,BTS,MSC,BSC,Loc Updat Acc(DT1),DATA REQ,A,Abis,(L2 - UA),CHAN REL,(L2 - DISC),BSSMAP,Radio-resource release,BSSMAP,R

30、F CHAN REL ACK,DEACT SACCH,CLEAR CMD(DT1),DATA REQ,CLEAR COM(DT1),RF CHAN REL,REL IND,DEACT SACCH ACK,INTRA_VLR LOCATION UPDATING,OR IMSI ATTACH( in old VLR ),T3210 -,TNT3 +,TNT3 -,T3109 +,T3109 -,MS,MSC,BTS,BSC,RR(RACH),Channel Request,Channel Required,Channel Activation,Channel Activation ACK,Imme

31、diate Assignment,RR(AGCH),(L2 - UI),A interface,Abis interface,Um interface,LOC UPDAT REQ *,EST IND,CR(COMPL - L3 - INFO),L2 - UA,(CKSN,IMSI,LUT,LAI,CLmk1),CC,RR(SDCCH),RR(SDCCH),BSSMAP,Immediate Assign Command,(SDCCH ID),(L2-SABM),INTER_VLR LOCATION UPDATING (MS Send IMSI),OR IMSI ATTACH( not in ol

32、d VLR ),* : This message is sent by the MS to the network either to request update of its location (normal updating or periodic updating) or to request IMSI attach .,T3120 +,T3120 -,T3101 +,T3101 -,T3210 +,Continue 1,MM(SDCCH),MM(SDCCH),RR(SDCCH),DTAP-MM,RR(SDCCH),DTAP-MM,BSSMAP,MS,BTS,DATA REQ,AUTH

33、 REQUEST,ENCR CMD,CIPHER MOD CMD,AUTH RESPONSE,DATA IND,CIPHER MOD COM,MSC,BSC,AUTH REQUEST (DT1),(CKSN, RAND),AUTH RESPONSE (DT1),A,CIPHER MOD CMD(DT1),(algo nb,key),(SRES),DATA IND,CIPHER MOD COM(DT1),BSSMAP,DATA REQ,TMSI REAL CMD,TMSI REAL COM,DATA IND,(new TMSI,LAI),TMSI REAL COM (DT1),TMSI REAL

34、 CMD (DT1),DTAP-MM,DTAP-MM,MM(SDCCH),MM(SDCCH),VLR,MAP_AUTHENTICATE,MAP_AUTHENTICATE ACK,MAP_SET_CIPHERING_MODE,T3260 +,T3260 -,MAP_UPDATE_ LOCATION_AREA,MAP_FORWARD_NEW_TMSI,MAP_FORWARD_NEW_TMSI ACK,MAP_UPDATE_ LOCATION_AREA ACK,HLR,MAP_INSERT_SUBSCRIBER_DATA,MAP_INSERT_SUBSCRIBER_DATA ACK,MAP_UPDA

35、TE_LOCATION ACK,INTER_VLR LOCATION UPDATING (MS Send IMSI),MAP_UPDATE_LOCATION,PVLR,D,Abis,Um,B,D,MAP_CANCEL_ LOCATION,MAP_CANCEL_ LOCATION ACK,OR IMSI ATTACH( not in old VLR ),RR(SDCCH),Continue 2,MM(SDCCH),RR(SDCCH),RR(SDCCH),MS,Um,DTAP-MM,Loc Upd Acc,BTS,MSC,BSC,Loc Updat Acc(DT1),DATA REQ,A,Abis

36、,(L2 - UA),CHAN REL,(L2 - DISC),BSSMAP,Radio-resource release,BSSMAP,RF CHAN REL ACK,DEACT SACCH,CLEAR CMD(DT1),DATA REQ,CLEAR COM(DT1),RF CHAN REL,REL IND,DEACT SACCH ACK,INTER_VLR LOCATION UPDATING (MS Send IMSI),OR IMSI ATTACH( not in old VLR ),T3210 -,TNT3 +,TNT3 -,T3109 +,T3109 -,MS,MSC,BTS,BSC

37、,RR(RACH),Channel Request,Channel Required,Channel Activation,Channel Activation ACK,Immediate Assignment,RR(AGCH),(L2 - UI),A interface,Abis interface,Um interface,LOC UPDAT REQ,EST IND,CR(COMPL - L3 - INFO),L2 - UA,(CKSN,TMSI,LUT,LAI,CLmk1),CC,RR(SDCCH),RR(SDCCH),BSSMAP,Immediate Assign Command,(S

38、DCCH ID),(L2-SABM),INTER_VLR LOCATION UPDATING (MS Send TMSI),OR IMSI ATTACH( not in old VLR ),T3120 +,T3120 -,T3101 +,T3101 -,T3210 +,Continue 1,MM(SDCCH),MM(SDCCH),RR(SDCCH),DTAP-MM,RR(SDCCH),DTAP-MM,BSSMAP,MS,BTS,DATA REQ,AUTH REQUEST,ENCR CMD,CIPHER MOD CMD,AUTH RESPONSE,DATA IND,CIPHER MOD COM,

39、MSC,BSC,AUTH REQUEST (DT1),(CKSN, RAND),AUTH RESPONSE (DT1),A,CIPHER MOD CMD(DT1),(algo nb,key),(SRES),DATA IND,CIPHER MOD COM(DT1),BSSMAP,DATA REQ,TMSI REAL CMD,TMSI REAL COM,DATA IND,(new TMSI,LAI),TMSI REAL COM (DT1),TMSI REAL CMD (DT1),DTAP-MM,DTAP-MM,MM(SDCCH),MM(SDCCH),VLR,MAP_AUTHENTICATE,MAP

40、_AUTHENTICATE ACK,MAP_SET_CIPHERING_MODE,T3260 +,T3260 -,MAP_UPDATE_ LOCATION_AREA,MAP_FORWARD_NEW_TMSI,MAP_FORWARD_NEW_TMSI ACK,MAP_UPDATE_ LOCATION_AREA ACK,HLR,MAP_INSERT_SUBSCRIBER_DATA,MAP_INSERT_SUBSCRIBER_DATA ACK,MAP_UPDATE_LOCATION ACK,INTER_VLR LOCATION UPDATING (MS Send TMSI),MAP_UPDATE_L

41、OCATION,PVLR,D,Abis,Um,B,D,MAP_CANCEL_ LOCATION,MAP_CANCEL_ LOCATION ACK,MAP_SEND_IDENTIFICATION,MAP_SEND_ IDENTIFICATION ACK,MAP_PROVIDE_IMSI,MAP_PROVIDE_IMSI ACK,Identity Request,Identity Response,In case of IMSI can not be retrieve from PVLR,OR IMSI ATTACH( not in old VLR ),RR(SDCCH),Continue 2,M

42、M(SDCCH),RR(SDCCH),RR(SDCCH),MS,Um,DTAP-MM,Loc Upd Acc,BTS,MSC,BSC,Loc Updat Acc(DT1),DATA REQ,A,Abis,(L2 - UA),CHAN REL,(L2 - DISC),BSSMAP,Radio-resource release,BSSMAP,RF CHAN REL ACK,DEACT SACCH,CLEAR CMD(DT1),DATA REQ,CLEAR COM(DT1),RF CHAN REL,REL IND,DEACT SACCH ACK,INTER_VLR LOCATION UPDATING

43、 (MS Send TMSI),OR IMSI ATTACH( not in old VLR ),T3210 -,TNT3 +,TNT3 -,T3109 +,T3109 -,MSC,A,BTS,BSC,Intra_Cell HandOver,A-bis,Um,MS,RR(SACCH),RR(FACCH),L2-SABM,L2-UI,ASSIGN COM,MEAS REP,MEAS REP,CHAN ACTIV,(ch typ,Ciph K),(HO Ref),CHAN ACT ACK,DATA REQ,ASSIGN CMD,RR(New FACCH),DATA IND,EST IND,RF C

44、HA REL,(old TCH),HO PERFOMED(DT1),(Cause: intra_cell),BSSMAP,RF CHA REL ACK,Old channel local end release,RR(FACCH),RR(FACCH),T3107 +,T3107 -,MSC,A,BTS2,BTS1,BSC,Intra-BSS Handover,A-bis,Um,MS,HO ACCESS,RR(SACCH),HO ACCESS,PHYS INFO,PHYS INFO,RR(FACCH),L2-SABM,L2-UI,RR(New FACCH),HO COMPLET,A-bis,ME

45、AS REP,MEAS REP,CHAN ACTIV,(ch typ,Ciph K),(HO Ref),CHAN ACT ACK,DATA REQ,HO COMMAND,HO DETECT,ESTA IND,DATA IND,RF CHA REL,(old TCH),HO PERFOMED(DT1),(Cause),BSSMAP,RF CHA REL ACK,RR(FACCH),BSSMAP,RR(FACCH),RR(FACCH),RR(FACCH),RR(FACCH),RR(FACCH),T3103 +,T3103 -,T3124 +,T3124 -,CHAN ACTIV,BTS1,A-bi

46、s,DATA REQ,BSC2,CC,BSC1,HO REQU(DT1),A,HO CMD(DT1),MSC,HO REQUEST(DT1),A,HO COMMAND,BTS2,MS,MEAS REP,CHA ACT ACK,Intra-MSC Handover,Serving BSS,A-bis,Um,Target BSS,RR(SACCH),MEAS RES,Cell Id lst,Cause,BSSMAP,CR(Ch typ,Clmk),(Cell, Ciph K),BSSMAP,HO REQ ACK(DT1),(Cell,Ch Inf,Ho Ref),BSSMAP,BSSMAP,RR(

47、FACCH),BSSMAP,T7 +,T7 - T8 +,T101 +,T101 -,T102 +,T9113 +,HO DETECT,BTS1,A-bis,RF CHAN REL,BSC2,BSC1,A,CLEAR CMD(DT1),MSC,A,BTS2,MS,HO ACCESS,Serving BSS,A-bis,Um,Target BSS,RR(new FACCH),HO COMPLET(DT1),BSSMAP,BSSMAP,(old TCH),Continue 1,HO ACCESS,RR(FACCH),PHYS INFO,PHYS INFO,L2-SABM,L2-UI,ESTA IN

48、D,HO COMPLET,DATA IND,CLEAR CMP(DT1),BSSMAP,Intra-MSC Handover,RF CHAN RELACK,RR(FACCH),RR(FACCH),RR(FACCH),RR(FACCH),RR(FACCH),T3124 +,T3124 -,T9113 -,T102 -,T8 -,TNT3 +,TNT3 -,Inter-MSC Handover,MSCA,A,BTSA,BSCA,A-bis,Um,MS,RR(SACCH),MEAS REP,MEAS REP,HO REQU(DT1),Cell Id lst,Cause,MSCB,VLRB,E,B,M

49、AP_PREPARE_HANDOVER,MAP_ALLOCATE_HO_NUMBER,MAP_SEND_ HO_REPORT,MAP_PREPARE_HANDOVER ACK,MAP_SEND_ HO_REPORT ACK,IAM(TUP),ACM(TUP),HO CMD(DT1),(Cell,Ch Inf,Ho Ref),DATA REQ,HO COMMAND,RR(FACCH),BSSMAP,BSSMAP,RF CHA REL,(old TCH),RF CHA REL ACK,After HO Succeed,BSCB,BSSMAP,HO REQ(DT1),CHAN ACTIV,CC,CH

50、A ACT ACK,CR(Ch typ,Clmk),(Cell, Ciph K),HO REQ ACK(DT1),BSSMAP,BTSB,BTSA,BSCA,CLEAR CMD(DT1),BSSMAP,CLEAR CMP(DT1),BSSMAP,T201 +,T201 -,T210 +,TNT3 +,TNT3 -,T103 +,T204 +,T210 -,Inter-MSC Handover,Continue 1,MSCB,A,BTSB,BSCB,A-bis,Um,MS,HO COMMPLETE(DT1),(Cause),BSSMAP,MSCA,VLRB,E,B,RR(New FACCH),H

51、O DETECTION,HO ACCESS,PHYS INFO,PHYS INFO,L2-SABM,L2-UI,ESTA IND,HO COMPLET,DATA IND,HO ACCESS,ANC(TUP),MAP_SEND_END_SIGNAL,RR(FACCH),MAP_PROCESS_ACCESS _SIGNALLING,RR(FACCH),RR(FACCH),RR(FACCH),RR(FACCH),RR(FACCH),HO DETECT(DT1),BSSMAP,T204 -,T103 -,Subsequent Inter-MSC Handover,MSCB,A,BTSB,BSCB,A-

52、bis,Um,MS,RR(SACCH),MEAS REP,MEAS REP,HO REQU(DT1),Cell Id lst,Cause,MSCA,VLRC,E,B,MAP_PREPARE_HANDOVER,MAP_ALLOCATE_HO_NUMBER,MAP_SEND_ HO_REPORT,MAP_PREPARE_HANDOVER ACK,MAP_SEND_ HO_REPORT ACK,IAM(TUP),ACM(TUP),HO CMD(DT1),(Cell,Ch Inf,Ho Ref),DATA REQ,HO COMMAND,RR(FACCH),BSSMAP,BSSMAP,RF CHA RE

53、L,(old TCH),RF CHA REL ACK,After HO Succeed,BSCC,BSSMAP,HO REQ(DT1),CHAN ACTIV,CC,CHA ACT ACK,CR(Ch typ,Clmk),(Cell, Ciph K),HO REQ ACK(DT1),BSSMAP,BTSC,BTSB,BSCB,CLEAR CMD(DT1),BSSMAP,CLEAR CMP(DT1),BSSMAP,MAP_PREPARE_ Subs_HANDOVER,MSCC,MAP_PREPARE_ Subs_HANDOVER ACK,E,T201 +,T201 -,T210 +,TNT3 +,

54、TNT3 -,T210 -,T204 +,T103 +,Continue 1,MSCC,A,BTSC,BSCC,A-bis,Um,MS,HO COMMPLETE(DT1),(Cause),BSSMAP,MSCA,MSCB,E,B,RR(New FACCH),HO DETECTION,HO ACCESS,PHYS INFO,PHYS INFO,L2-SABM,L2-UI,ESTA IND,HO COMPLET,DATA IND,HO ACCESS,ANC(TUP),MAP_SEND_END_SIGNAL,RR(FACCH),MAP_PROCESS_ACCESS _SIGNALLING,RR(FA

55、CCH),RR(FACCH),RR(FACCH),RR(FACCH),RR(FACCH),HO DETECT(DT1),BSSMAP,Subsequent Inter-MSC Handover,MAP_SEND_END_SIGNAL ACK,REL(TUP),RLC(TUP),T204 -,T103 -,Subsequent Inter-MSC Handback,MSCB,A,BTSB,BSCB,A-bis,Um,MS,RR(SACCH),MEAS REP,MEAS REP,HO REQU(DT1),Cell Id lst,Cause,MSCA,VLRA,E,B,MAP_PREPARE_ Su

56、bs_HANDOVER,MAP_ALLOCATE_HO_NUMBER,MAP_SEND_ HO_REPORT,MAP_PREPARE_Subs_HANDOVER ACK,MAP_SEND_ HO_REPORT ACK,HO CMD(DT1),(Cell,Ch Inf,Ho Ref),DATA REQ,HO COMMAND,RR(FACCH),BSSMAP,BSSMAP,RF CHA REL,(old TCH),RF CHA REL ACK,After HO Succeed,BSCA,BSSMAP,HO REQ(DT1),CHAN ACTIV,CC,CHA ACT ACK,CR(Ch typ,Clmk),(Cell, Ciph K),HO REQ ACK(DT1),BSSMAP,BTSA,BTSB,BSCB,CLEAR CMD(DT1),BSSMAP,CLEAR CMP(DT1),BSSMAP,T104 +,Continue 1,MSCA,A,BT