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1、NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLR establishment cause answer for paging (MTC) emergency call call re-es
2、tablishment user request (MOC, SMS, suppl.service) other serives (loc. update, IMSI detach) random numberNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia T
3、elecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequired BSC starts searching for a SDCCH channel - channel available - reservation - no channel available - blockingNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequ
4、iredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res. BSC starts searching for a SDCCH channel - channel available - reservation - no channel available - blockingNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz a
5、tt.SDCCH busy att.Ghost CCCH Res.channelactivationNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 /
6、 KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCV
7、LRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignment information included page mode timing advance channel description timeslotsubchanneltraining sequence codeRF channel number timer 3101 started in the BSCNOKIA TELECOMMUNICATIONSTSG 007
8、1/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign. information included page mode timing advance channel description timeslotsubchanneltrain
9、ing sequence codeRF channel number timer 3101 started in the BSCNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH as
10、sign.immediateassignmentNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentESTABLISHMENT PA
11、RTNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestNOKIA TELECOMMUNICATI
12、ONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequest required service mobile originated call/SMS
13、 mobile terminated call/SMS location update call re-establishment IMSI detach request timer 3101 started in the mobileNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channel
14、activationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelacti
15、vationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindication timer 3101 stopped in the BSCNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.
16、Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. update timer 3101 stopped in the BSCNOKIA TELECOMMUNIC
17、ATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentimmediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.S
18、DCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestSDCCH assign.NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivat
19、ionchannelact. ackn.immediateassignmentimmediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestSDCCH assign. BSC starts to initiate signalling connection control part (
20、SCCP) connection NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestabl
21、ishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUANOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH b
22、usy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA timer 3101 stopped i
23、n the mobileNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishin
24、dicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH
25、 seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA pro
26、cessaccess requestCYPHERING &ENCRYPTION PARTNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassign
27、mentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications
28、GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsu
29、cc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactiva
30、tionchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication
31、requestauthentication requestNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicer
32、equestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestA3SRESRANDKi (first 8 bits)NOKIA TELECOMMUNICATIONSTSG
33、 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Te
34、rm.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbH
35、channelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc.
36、SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelre
37、quiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicere
38、questUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication responseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH se
39、iz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA proces
40、saccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDC
41、CH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA p
42、rocessaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTS
43、BSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc.
44、updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nok
45、ia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg.
46、callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandciphering mode c
47、ommandNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicati
48、onSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set cip
49、hering modeciphering mode commandencryption commandciphering mode commandA8ciphering key (Kc)RANDKiNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelac
50、t. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthen
51、tication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandciphering mode commandciphering mode completeNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMS
52、CVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updat
53、eCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandciphering mode commandciphering mode completeciphering mode comple
54、teNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSu
55、cc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set cipheri
56、ng modeciphering mode commandencryption commandciphering mode commandciphering mode completeciphering mode completeaccess request acceptedNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSINOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / Ko
57、Bra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mand combintation of new TMSI and LAI combintation of IMSI and LAINOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.NOKIA
58、TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI
59、 reallocation com.TMSI reallocation completeTMSI pleteNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Cop
60、yright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocatio
61、n com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH) number of the called subscriber type of call (speech/data)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeT
62、MSI pleteTMSI ackn.setup (SDCCH)setupNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callNOKIA TELECOMMUNICATIONSTS
63、G 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunica
64、tions GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new
65、TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI real
66、location com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocat
67、ion com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequest command from MSC to BSC to activate channel in the A-interfaceNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications
68、GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Tele
69、communications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmNOKIA TELECOMMUNICATIONSTSG 0071/
70、en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfi
71、rm BSC starts searching for a TCH channel - no channel available - queing - channel available - reservation & activationNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI
72、pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSC BSC starts searching for a TCH channel - no channel available - queing - channel available - r
73、eservation & activationNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedin
74、gassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation complete
75、TMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Co
76、pyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH
77、norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH
78、)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment command information included channel descriptiontimeslotsubchanneltrain
79、ing sequence codeRF channel number channel mode (speech/data) power level timer 3107 started mobile changes from SDCCH to TCHNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation complete
80、TMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandtraffic channel seizedNOKIA TELE
81、COMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextre
82、questphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI re
83、allocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)es
84、tablishindicationNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassig
85、nmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindication synchronisation with transcoder starts BSC connects A-interface and Abis-interface, speech channel switched t
86、hroughNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentreques
87、tphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward ne
88、w TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel ac
89、t.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)set
90、upsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment complete timer 310
91、7 stoppedNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentreq
92、uestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassignmentcompleteA_MSCNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Tel
93、ecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req.
94、 rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassignmentcompleteA_MSCchannelreleaseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTM
95、SI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassi
96、gnment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassignmentcompleteA_MSCchannelreleasechannelrelease ackn.NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation comp
97、leteTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicati
98、onUA(FACCH)assignment completeassignmentcompleteA_MSCchannelreleasechannelrelease ackn.alertingNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDC
99、CH)setupsend info for outg. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassi
100、gnmentcompleteA_MSCchannelreleasechannelrelease ackn.alertingalertingNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg
101、. callcompletecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassignmentcompleteA_MSCchannel
102、releasechannelrelease ackn.alertingalertingconnectNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallc
103、allproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassignmentcompleteA_MSCchannelreleasechannelrelea
104、se ackn.alertingalertingconnectconnect (FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. callcompletecallcallp
105、roceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassignmentcompleteA_MSCchannelreleasechannelrelease a
106、ckn.alertingalertingconnectconnect (FACCH)connect ackn. (FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)setupsend info for outg. call
107、completecallcallproceedingcall proceedingassignmentrequestphys. contextrequestphys. contextconfirmTCH requestTCH norm seizTCH req. rej. lack + A_BSCchannelactivationchannel act.acknowledgeassignment commandSABM(FACCH)establishindicationUA(FACCH)assignment completeassignmentcompleteA_MSCchannelreleas
108、echannelrelease ackn.alertingalertingconnectconnect (FACCH)connect ackn. (FACCH)connect ackn.NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunication
109、s GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultrelease by mobile subscriberNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyr
110、ight Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disconnectNOKIA T
111、ELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disconnectreleaseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SA
112、CCH)measurementreport/resultdisconnect (FACCH)release (FACCH)disconnectreleaseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)disconnectrelea
113、seNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)releasecompleteB_MSCdisconnectreleaseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyri
114、ght Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)releasecompleteB_MSCdisconnectreleaseclearcommand BSC releases A-interface speech circuitNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright
115、Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)releasecompleteB_MSCdisconnectreleaseclearcommandchannel release(FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunicatio
116、ns GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)releasecompleteB_MSCdisconnectreleaseclearcommandchannel release(FACCH)deactivateSACCHNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbH
117、MSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)releasecompleteB_MSCdisconnectreleaseclearcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications
118、GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)releasecompleteB_MSCdisconnectreleaseclearcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)UA(FACCH)NOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Teleco
119、mmunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)release (FACCH)release complete (FACCH)releasecompleteB_MSCMS starts listening toBCCH againdisconnectreleaseclearcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)UA(FACCH)NOKIA TELECOMMUNICATIONST
120、SG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disconnectreleaserelease (FACCH)release complete (FACCH)releasecompleteB_MSCclearcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)UA(FACCH)releaseindic
121、ationNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disconnectreleaserelease (FACCH)release complete (FACCH)releasecompleteB_MSCclearcommandchannel release(FACCH)deactivateSACCHDI
122、SC(FACCH)UA(FACCH)releaseindicationRF channelreleaseNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disconnectreleaserelease (FACCH)release complete (FACCH)releasecompleteB_MSCclea
123、rcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)UA(FACCH)releaseindicationRF channelreleaseRF channelrelease ackn.B_BSCNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disco
124、nnectreleaserelease (FACCH)release complete (FACCH)releasecompleteB_MSCclearcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)UA(FACCH)releaseindicationRF channelreleaseRF channelrelease ackn.B_BSCclearcompleteNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications Gm
125、bHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disconnectreleaserelease (FACCH)release complete (FACCH)releasecompleteB_MSCclearcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)UA(FACCH)releaseindicationRF channelreleaseRF channelrelease ackn.B_BSCclearcompl
126、eteSCCPreleasedNOKIA TELECOMMUNICATIONSTSG 0071/en 1.0 / KoBra Copyright Nokia Telecommunications GmbHMSBTSBSCMSCVLRmeasurementreport (SACCH)measurementreport/resultdisconnect (FACCH)disconnectreleaserelease (FACCH)release complete (FACCH)releasecompleteB_MSCclearcommandchannel release(FACCH)deactivateSACCHDISC(FACCH)UA(FACCH)releaseindicationRF channelreleaseRF channelrelease ackn.B_BSCclearcompleteSCCPreleasedSCCPreleased ackn.
