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CAMEL

Customized Applications for Mobile network Enhanced

Logic

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HLR 

SCF

SRF

GMSC

VLR 

SSF SSF

MSC

Interrogating Network Visited Network

MAPMAP

CAP CAP

CAMEL architecture

Home Network

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SCF

SSF

MSC

Visited

Home

CAMEL control for mobile originating

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SCF

SSF

MSC

Visited

Home

CAMEL control for mobile terminating

SSF

GMSC

Interrogating

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∗ HLR send CAMEL subscription information (CS! to

the "LR of the #isited network or the $MSC of the

interrogating network

∗ CS% &'CS and 'CS

Triggering process

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∗ CS contents

'SC) address

'Ser#ice *e+

',efault Call Handling

Triggering process

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Triggering process

SSF SCFVLR 

Visited Network Home Network

Originating Call CAMEL

O!C"I #oundCAMEL

Collected$info Initial %P

Check CreditContinue for & sec

Call setu'

(ime e&'ired(ime e&'ired e)ent

*'date creditClear call

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∗ ,ata known% MSS,-

∗ $et the MS

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∗ Make sure the "LR was updated with CS

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 Anal+sing the call Check IM"I anal+sis

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 Anal+sing the call ,e)iew the MIN routes

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 Anal+sing the call ,e)iew -!Number -O./0

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 Anal+sing the call

,e)iew table "HI"(

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 Anal+sing the call

,e)iew "H(N" table1

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 Anal+sing the call ,e)iew the table ""# route s'ecification 2O*(3OIN34

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 Anal+sing the call

,e)iew the table ""# route s'ecification 2INCOMIN34

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 Adding CAMEL

%ata for HL,

  T8is nigr'tin is initi'td r t8 pr'tr>s

s?sri?rs @isiting ' p'rtnr>s MS"5R

  .+R"-:".AR='%%;

 

.+R"I:AREA=223760&".AR=O"SI-.2;

  .+R"I:AREA=223760&".AR=O"SI-.3; 55 T 't8ri Ot?nd "'m% 3

 

.+R"-:".AR='%%;

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 Adding CAMEL . Camel / %ata for M"C5VL,

mgisi:imsis=61002&m=#223760&ANRES=O(A#0B(O#3B-MN0BMA-ER2BINO-ER

1B"(A6B"(A46B"AME2&n'=;

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 Adding CAMEL . Camel 0

%ata for M"C5VL,mgisi:imsis=61002&m=#223760&ANRES=O(A#0B(O#3B-MN0BMA-ER

2BINO-ER1B"(A6B"(A46B"AME3&n'=;