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Mobile To !and Call "et-up "cenario

Phases of Mobile To !and Call

SETUP PHASE

# Mobile $riginated Call- M$ Call %

RINGING PHASE

CONVERSATION PHASE

RELEASE PHASE

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- &'()'"T *$& "'&+C' # C'! % /0 M"

- CM "'&+C' &'()'"T

- )T'TCT$

- CP'&1

- "'T)P M'""1'

- '()PM'T +!DT$ # '& C'C2 %

- +!DT$ T +!&

- ""1M'T

Mobile To !and Call "et-up "cenario

SETUP PHASE

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M"

M"C3

+!&/""

1

2

3

Channe Re!"e#t

&e4uest *or "er5ice

M$/!' T$ !D C!! -

RACH

S$CCH A##ignment

AGCH

CM Se%ice Acce't

SDCCH

4

CM Se%ice Re!"e#t

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Mobile To !and Call "et-up "cenario

CM "'&+C' &'()'"T

- The Call Control #CC% entity of M" initiates the establishment ofCC connection by re4uesting MM sub-layer of the mobile to

establish MM sub-layer connection.

- )pon establishment of MM connection CM "'&+C' CC'PTmessage is recei5ed from n3w.

"'T)P M'""1'

- CC entity sends a setup message to its peer entity.

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M"M"C3

+!&/""

5

6

Ca Set"' Re!"e#t

7

SDCCH

SDCCH

Call "etup

M$/!' T$ !D C!! -

A##ign T%"n( an) %a)io

A##ign TCH

Ra)io A##ignment Com'ete

Ca P%ocee)ing

SDCCH

SDCCH

T%"n( an) Ra)io A##ignment Com'ete

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Mobile To !and Call "et-up "cenario

M"C3+!&

Ca Set"' me##age

I# the %e!"e#te) *a#ic #e%ice

'%oi#ione) +o% the #"*#c%i*e% ,

0es

o

Reea#e Com'ete

me##age to MS

P%eimina%- $igit Ana-#i#

I# the n"m*e% o+ )igit# e## than the

minim"m e.'ecte),

0es

Reea#e Com'ete

me##age to MS

o /0 Chec( o+ O$B1 BAOC2BOIC2 BOIC E. HC 3

40 S"*#c%i*e% ca *a%%ing chec(# 1 BAOC2BOIC e

""1M 'T

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Mobile To !and Call "et-up "cenario

""1M'T

- /""MP message 6ssignment Command 7 is sent by M"C to/"".

- The message contains a free CC on -nterface for terrestrial

channel allocated by M"C.

- free TC is allocated by the /"" and M" is informed to attach

to this TC.

- $n recei5ing a response from /"" M"C switches the speech

path towards the calling M".

Note : Mobile has not connected user

connection as yet.

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M"M"C3

+!&/""

8

9

10

11

Call "etup

M$/!' T$ !D C!! -

1M"C P"T!&

Net5o%( Set"' 1 $iae) $igit# 3

FACCH

Net5o%( Ae%ting

Connect

Connect Ac(no5e)ge

FACCH

Ae%ting

Connect

FACCH

"tart /illing

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M"

M"C3

+!&/""

12

13

14

15

Call &elease

M$/!' T$ !D C!! - +

1M"C P"T!&

$i#connect

FACCH

Net5o%( Reea#e

Reea#e Com'ete

Reea#e Com'ete

FACCH

Reea#e

FACCH

Cea% Comman)

Channe Reea#e

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!and To Mobile Call "et-up "cenario

Phases of !and To Mobile Call

Ro"ting Ana-#i#

Paging

A"thentication

Ca6Set"'

Ci'he%ing

Ca Reea#e

# Mobile Terminating - MT Call %

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rchitecture *or Mobile Terminated Call

1M"C- / /""-/

M"

+!&-/

M"C-/

+"T1 P!M

- nterface

ir nterface

-C2

#M"&.

%

"M

""D.% P

&.

-C2

#M"&.%

!&-/

M # ")P %

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!D T$ M$/!' C!! -

M"C3+!& 1M"C P"T!&

1

2

Incoming Ca

3

4

( MSISDN )Get Ro"te

( MSISDN )Get Ro"te

( IMSI )

Ro"ting In+o%mation

( MSRN ) Ro"ting In+o%mation

( MSRN )

( MSRN )

Incoming Ca5

Ro"ting Ana-#i#

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M"M"C/""

6

7

8

Pe%+o%m Page

(TMSI)Page

PCH

Channe Re!"e#t

( RACH )

SDCCH

Paging Re#'on#e

1 TMSI7 LAI 39

Acce## G%ante)

( AGCH )

Page Re#'on#e

Paging

!D T$ M$/!' C!! -

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M" M"C/""

10

11

12

Ca Set U'

Ca Set U' Con+i%m

SDCCH

Ra)io Channe A##igne)

A##ign T%"n( &

Ra)io Channe

T%"n( an) Ra)io Channe

A##ignment Com'ete

SDCCH

SDCCH

A##ign Ra)io Channe

SDCCH

Call "et-up

!D T$ M$/!' C!! -

D T$ M$/ ' C

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M"M"C3

+!&/""

13

14

15

Connect 1 o++6hoo( 3

FACCH

Call "etup

!D T$ M$/!' C!! - +

1M"C P"T!&

FACCH

Net5o%( Ae%ting

Mo*ie Ae%ting

Connect

Connect Ac(no5e)ge

"tart /illing

!D T$ M$/!' C!!

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M"M"C3

+!&/""

16

17

18

$i#connect

Reea#e

19

FACCH

FACCH

Call &elease

!D T$ M$/!' C!! - +

1M"C P"T!&

Net5o%( Reea#e

FACCHReea#e Com'ete

Reea#e Com'ete

Cea% Comman)

Cea% Channe

Cea% Com'eteFACCH

"top /illing

M bil T M bil C ll " t " i

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Mobile To Mobile Call "et-up "cenario

Phases of Mobile To Mobile

Call&e4uest for ser5ice.

uthentication

Call6"etup

Ciphering

Call&elease

&outingnalysis

Paginguthentication

CipheringCall6"etup

Mo*ie O%iginating

Mo*ie Te%minating

Call-&elease

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T8

D

1M"C

M"C3+!&

9. D P"T "ubscriber Dials D Mobile "ubscriber in D.

D

!' TD'M

!&

D

M"

:;9

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T8

D

T8

C

1M"CM"C3+!&

1M"C

M"C3+!&

=. D P"T "ubscriber Dials C Mobile "ubscriber in C.

D

C

!'

!&

!&

C

M"

:;;9

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T8

C

T8

D

1M"C

M"C3+!&

1M"C

M"C3+!&

>. D P"T "ubscriber Dials D Mobile "ubscriber in C.

C

D

!' TD'M

!&

!&

D

M":;9

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T8

C

T8

D

1M"CM"C3+!&

1M"C

M"C3+!&

. C P"T "ubscriber Dials D Mobile "ubscriber in C.

C

D

!'

!&

!&

D

M"

:;9

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T8

C

T8

D

1M"C

M"C3+!&

1M"C

M"C3+!&

. C P"T "ubscriber Dials D Mobile "ubscriber in C

C

D

!'

!&

!&

D

M"

:;9

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THAN8THAN8S 9