7号信令map消息

Transaction portion
Length field
Msg Type Tag
5
MAP
Slide
Basic structure of MAP messages 2/3
Order of transmission
BEGIN message (TCAP)
Component portion
Transaction portion
VLR
MSC
I: SPC/GT E: GT T: VLR number
I: SPC/GT E: GT T: MSC number
I: SPC/GT E: GT T: EIR number
E: Extra(Inter)-PLMN MGT: Mobile Global Title
T: Address Type SPC: Signalling Point Code
9

MAP
IMSI ::= TBCD-STRING (SIZE (3..8))
Slide
Error and error code

SystemFailure ::= ERROR PARAMETER networkResource NetworkResource -- optional

A_CM_SER_ACC A_SETUP
MAP_SEND_INFO_ FOR_OUTGOING_ CALL
MAP_COMPLETE_ CALL
A_CALL_PROC
A_ASS_REQ
A_ASS_COMP I_IAM MAP_SEND_INFO_ FOR_OUTGOING_ CALL ack
18
MAP
systemFailure SystemFailure ::= localValue 34
10
MAP
Slide
Detach IMSI and purge MS
MS
BSS
A
MSC
B
VLR
D
HLR
A_LU_REQUEST (Detach IMSI) MAP_DETACH_ IMSI MAP_PURGE_ MS MAP_PURGE_ MS ack
13
MAP
Slide
Location updating involving both a VLR and an HLR, when IMSI can not be retrieved from the previous VLR
MS BSS A MSC B MAP_UPDATE_ LOCATION_AREA MAP_PROVIDE_ IMSI MAP_PROVIDE_ IMSI ack MAP_UPDATE_LOCATION MAP_CANCEL_ LOCATION MAP_CANCEL_ LOCATION ack MAP_INSERT_SUBSCRIBER_DATA MAP_INSERT_SUBSCRIBER_DATA ack MAP_UPDATE_ LOCATION_AREA ack A_LU_CONFIRM MAP_UPDATE_LOCATION ack VLR G D PVLR D HLR
A_LU_REQUEST
14
MAP
Slide
Retrieval of routing information
MSC E GMSC C Nertwork I_IAM MAP_SEND_ROUTING_INFORMATION MAP_PROVIDE_ ROAMING_NUMBER MAP_PROVIDE_ ROAMING_NUMBER ack MAP_SEND_ROUTING_INFORMATION ack I_IAM HLR D VLR
15
MAP
Slide
MS terminating call set-up (MTC) 1/2
MS BSS A MSC B VLR I_IAM MAP_SEND_INFO_ FOR_INCOMING_ CALL GMSC
Paging Layer 3 info
MAP_PAGE or MAP_SEARCH_FOR_ MOBILE_SUBSCRIBER
Length field
Msg Type Tag
Invoke Component
Length field
Component portion Tag
Parameters
Operation
Invoke ID
Length field
Component Type Tag
6
MAP
Slide
Basic structure of MAP messages 3/3
12
MAP
Slide
Location updating when changing the VLR area
MS BSS A MSC B MAP_UPDATE_ LOCATION_AREA VLR G D PVLR D HLR A_LU_REQUEST
MAP_SEND_ IDENTIFICATION MAP_SEND_ IDENTIFICATION ack MAP_UPDATE_LOCATION MAP_CANCEL_ LOCATION MAP_CANCEL_ LOCATION ack MAP_INSERT_SUBSCRIBER_DATA MAP_INSERT_SUBSCRIBER_DATA ack MAP_UPDATE_ LOCATION_AREA ack A_LU_CONFIRM MAP_UPDATE_LOCATION ack
A_ERASE_SS ack
21
MAP
Slide
Supplementary service activation
MS EIR A MSC B VLR D HLR
MAP_PROCESS_ACCESS_SIGNALLING MAP_SEND_END_SIGNAL MAP_FORWARD_ACCESS_SIGNALLING MAP_PROCESS_ACCESS_SIGNALLING MAP_SEND_END_SIGNAL ack
MAP_SEND_HANDOVER_REPORT ack This can be sent at any time after the connection between MSC-A and MSC-B is established.
Slide
Successful basic handover procedure to MSC-B
MSC-A E MAP_PREPARE_HANDOVER MAP_PREPARE_HANDOVER ack MSC-B B VLR-B
MAP_ALLOCATE_HANDOVER_NUMBER MAP_SEND_HANDOVER_REPORT
3
MAP
Slide
Structure of IMSI
Not more than 15 digits
3 digits
2 digits
MCC
MNC
MSIN
NMSI
IMSI
4
MAP
Slide
Basic structure of MAP messages 1/3
SCCP-UDT message
User data
A_REGISTER_SS ack
20
MAP
Slide
Supplementary service erasure
MS BSS A MSC B VLR D HLR
A_CM_SERV_REQ A_ERASE_SS
MAP_PROC_ ACC_REQ
MAP_ERASE_SS
MAP_ERASE_SS
MAP_ERASE_ SS ack MAP_ERASE_ SS ack
MAP_PROCESS_ ACCESS_REQUEST
MAP_PROCESS_ ACCESS_REQUEST ack
MAP_COMPLETE_ CALL
16
MAP
Slide
MS terminating call set-up (MTC) 2/2
MS BSS A_SETUP A_CALL_CONF A_ASS_REQ A MSC B VLR GMSC
CLG parameter
CLD parameter
Ptr to user data
Ptr to CLG
Ptr to CLD
Msg code
Routing label
Order of transmission
Transparent data
Length
BEGIN message (TCAP)
Component portion
Order of transmission
Parameters Operation
Invoke ID Length field Component Type Tag
Leabharlann Baidu
IMSI MSC number MSC signalling address signals
Update Location
LMS ID
7
Structure of SS#7
MAP
OMAP INAP
TCAP
O t h e r ISUP TUP U s ... e r P a r t s
BSSAP
SCCP
MTP
1
MAP
Slide
MAP as TCAP user
Mobile Application Part (TCAP-User)
MAP Application Entity (AE) MAP Application Service Element (ASE) MAP Application Service Element (ASE)
19
MAP
Slide
Supplementary service registration
MS BSS A MSC B VLR D HLR
A_CM_SERV_REQ A_REGISTER_SS
MAP_PROC_ ACC_REQ
MAP_REGISTER_SS
MAP_REGISTER_SS
MAP_REGISTER_ SS ack MAP_REGISTER_ SS ack
Transaction Capability Application Part (TCAP)
2
MAP
Slide
SCCP addressing
To From
Fixed Network
Fixed Network
HLR
E: GT T: MSISDN
VLR
MSC
EIR
HLR
I: SPC/GT E: GT T: VLR number I: SPC/GT E: GT T: MGT/MSISDN/ HLR number I: SPC/GT E: GT T: MSISDN I: Intra-PLMN GT: Global Title I: SPC/GT E: GT T: VLR number
11
MAP
Slide
Location updating when roaming within an VLR area
MS
BSS
A
MSC
B
VLR
A_LU_REQUEST
MAP_UPDATE_ LOCATION_AREA
MAP_UPDATE_ LOCATION_AREA ack
A_LU_CONFIRM
MAP
Slide
Location registration operation

8
UpdateLocation ::= OPERATION --Timer m ARGUMENT updateLocationArg UpdateLocationArg RESULT updateLocationRes UpdateLocationRes ERRORS { SystemFailure, DataMissing, -- DataMissing must not be used in version 1 MAP
A_ASS_COMP
A_ALERT A_CONN A_CONN_ACK I_ACM I_ANM
MAP_SEND_INFO_ FOR_INCOMING_ CALL ack
17
MAP
Slide
MS originating call set-up (MOC)
MS BSS A_CM_SER_REQ A MSC B VLR B GMSC MAP_PROCESS_ ACCESS_REQUEST MAP_PROCESS_ ACCESS_REQUEST ack
Slide
Data types

UpdateLocationArg ::= SEQUENCE { imsi locationInfo LocationInfo, vlr-Number AddressString, lmsi LMSI OPTIONAL, ...}
IMSI,
ISDN[10]