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Customer Enters SMSC Number+2425999911
and the info gets saved on the SIM module
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Customer Enters SMS Message and
enters the destination number
Hi, I am running late,
meet you at 9:30
Then the customer hits
send
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International SMS
Malawi Subscriber sends message to South
African Subscriber.
Protocol Traces are located on Page 147
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Hi, I am running
late, meet you at
9:30
Sending Message
MSC
SMSC
Message Sent
TC-Beg FSM-MO
TC-End Accepted
SMS-MO
Press the send buttonMS ISDN=+242 5 92492
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MSC
HLR
VLR
TC-Begin => Operation Code = Forward SM-MO
Called address GT = 2425999911
Routing indicator = Route on GT
Calling address = 242294408
Orig Trans ID = 975511919
User Data =Hi, I am running late, meet you at 9:30
GT= 242294408
SMSC
GT=2425999911
SSN= MSC
TC-End => Associate Result=Accepted
Called address GT = 242294408
Routing indicator = Route on GT
Calling address =2425999911
Dest Trans ID=975511919
Destination Address=+27833642379
SMS-MO
DCE=
27833642379Hi, I am Running
late, meet you
at 9:30
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Subscriber Available
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MSC
SMSC
TC-Beg SRI
TC-End Accepted
SMSC -> HLR SRI
International Gateway PSTN
HLR address in South Africa =
+27830006010
MS ISDN=+27 83 3642379
Attached to VLR and TS-22
and TS-21 allowed
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MSC
HLR
VLR
TC-Begin => Operation Code = Send Routing
Info For SM
Called address GT = +27 83 3642379
Routing indicator = Route on GT
Calling address = +2425999911GT=+242294408
SMSC
GT=+2425999911
SSN= MSC
TC-End => Associate Result=Accepted
Called address GT = +2425999911
Routing indicator = Route on GT
Calling address = +27830006010
(HLR address in S.A)
SMSC -> HLR SRI
DCE=
27833642379Hi, I am Running
late, meet you
at 9:30
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MSC
SMSC
TC-Beg Forward SM
TC-End Accepted
SMSC -> SMS-MT
International Gateway PSTN
HLR address in South Africa =
+27830006010
MS ISDN=+27 83 3642379
Attached to VLR and TS-22
and TS-21 allowed
Hi, I am running
late, meet you at
9:30
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MSC
HLR
VLR
TC-Begin => Operation Code = Forward SM
Called address GT = 27830006010 (HLR address in S.A)
Routing indicator = Route on GT
Calling address = +2425999911
User Data =Hi, I am running late, meet you at 9:30
GT=+242294408
SMSC
GT=+2425999911
SSN= MSC
TC-End => Associate Result=Accepted
Called address GT = +2425999911
Routing indicator = Route on GT
Calling address = +27830006010 (HLR address in S.A)
SMSC -> SMS-MT
DCE=
27833642379Hi, I am Running
late, meet you
at 9:30
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Subscriber Unavailable
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MSC
HLR
VLR
TC-Begin => Operation Code = Send Routing
Info For SM
Called address GT = +27 83 3642379
Routing indicator = Route on GT
Calling address = +2425999911GT=+242294408
SMSC
GT=+2425999911
SSN= MSC
TC-End => Associate Result=Error
Called address GT = +2425999911
Routing indicator = Route on GT
Calling address = +27830006010
(HLR address in S.A)
Error Code = 27 (Subscriber Absent)
SMSC -> HLR SRI
DCE=
27833642379Hi, I am Running
late, meet you
at 9:30
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MSC
HLR
VLR
TC-Begin => Operation Code = Inform Service
Center
Called address GT = +27 83 3642379
Routing indicator = Route on GT
Calling address = +2425999911GT=+242294408
SMSC
GT=+2425999911
SSN= MSC
TC-End => Associate Result=Accept
Called address GT = +2425999911
Routing indicator = Route on GT
Calling address = +27830006010
(HLR address in S.A)
SMSC -> HLR SRI
DCE=
27833642379Hi, I am Running
late, meet you
at 9:30
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Customer Turns on their Mobil Phone
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MSC
SMSC
TC-End Accept
TC-Begin Alert
SMSC -> HLR SRI
International Gateway PSTN
HLR address in South Africa =
+27830006010
MS ISDN=+27 83 3642379
Attached to VLR and TS-22
and TS-21 allowed
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MSC
HLR
VLR
GT=+242294408
SMSC
GT=+2425999911
SSN= MSC
TC-Begin => Operation Alert
Called address GT = +2425999911
Routing indicator = Route on GT
Calling address = +27830006010
(HLR address in S.A)
SMSC -> HLR SRI
TC-End => Operation Code = Accept
Called address GT = +27 83 3642379
Routing indicator = Route on GT
Calling address = +2425999911
DCE=
27833642379Hi, I am Running
late, meet you
at 9:30
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MSC
SMSC
TC-Beg SRI
TC-End Error
SMSC -> HLR SRI
International Gateway PSTN
HLR address in South Africa =
+27830006010
MS ISDN=+27 83 3642379
Attached to VLR and TS-22
and TS-21 allowed
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MSC
HLR
VLR
TC-Begin => Operation Code = Send Routing
Info For SM
Called address GT = +27 83 3642379
Routing indicator = Route on GT
Calling address = +2425999911GT=+242294408
SMSC
GT=+2425999911
SSN= MSC
TC-End => Associate Result=Accept
Called address GT = +2425999911
Routing indicator = Route on GT
Calling address = +27830006010
(HLR address in S.A)
SMSC -> HLR SRI
DCE=
27833642379Hi, I am Running
late, meet you
at 9:30
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MSC
SMSC
TC-Beg Forward SM
TC-End Accepted
SMSC -> SMS-
International Gateway PSTN
HLR address in South Africa =
+27830006010
MS ISDN=+27 83 3642379
Attached to VLR and TS-22
and TS-21 allowed
Hi, I am running
late, meet you at
9:30
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MSC
HLR
VLR
TC-Begin => Operation Code = Forward SM
Called address GT = 27830006010 (HLR address in S.A)
Routing indicator = Route on GT
Calling address = +2425999911GT=+242294408
SMSC
GT=+2425999911
SSN= MSC
TC-End => Associate Result=Accepted
Called address GT = +2425999911
Routing indicator = Route on GT
Calling address = +27830006010 (HLR address in S.A)
SMSC -> SMS-MT
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File Structure of the SMS Server
C:\Services\
contains .bat files use to access admin
functions on the SMSC
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admamr.bat used for admin functions onthe AMRouter
admip7.bat used for admin functions onthe ip7Server
admmap.bat used for admin on the Mapgateway
admsms.bat used for admin on theSmsServer
itumapload2x.bat load script for ip7server
ss7load.bat load script used by Health
Management Interface(HMI) SMPPTEST.BAT Simple bat file to send
smpp messages. Find attached
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C:\Services\Config\
contains all configuration files andencoding scheme files
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C:\Services\Config\itumap\
contains all config files for MTP3 SCCPand TCAP
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C:\Services\ executables\
contains all the binary files for theSMSC and is installed as a service. The
service name and the binary name isthe same.
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C:\Services\ smsmessages\
contains the actual messages that hasnot yet been delivered due to
AbsentSubscriber or other errorsreturned by MSC