Transcript Document

R2 COURSE
R2
COURSE
Based on Q.400 Series ITU-T Recommendations
Jaime Silva
PRELIMINARY
MAYO 2001
R2 COURSE
R2 Course
ACCESS AND INTER SWITCHES PROTOCOLS
R2 OVERVIEW
LINE SIGNALLING
REGISTER SIGNALLING
SIGNALLING PROCEDURES
Based on Q.400 Series ITU-T Recommendations
Jaime Silva
PRELIMINARY
MAYO 2001
R2
COURSE
WIRELESS NETWORKS
SENALIZACION :
INTERCAMBIO DE DATOS ENTRE CENTRALES DE CONMUTACION
CON EL FIN DE ESTABLECER UNA COMUNICACION ENTRE
USUARIOS, O PARA OFRECERLES FACILIDADES O SERVICIOS
ESPECIALES
Jaime Silva
PRELIMINARY
MAYO 1996
R2 COURSE
R2 Course
ACCESS AND INTER SWITCHES PROTOCOLS
- CAS protocols (R1, R2)
- DSS1 protocols (BRI, PRI)
- CCS7 with ISUP
Jaime Silva
PRELIMINARY
MAYO 2001
R2
COURSE
SENALIZACION ASOCIADA AL CANAL
(PER TRUNK SIGNALLING, PTS)
- SENALES DE LINEA
- ANALOGICO
- DIGITAL
WIRELESS NETWORKS
MFC - LME
R2
R1
CCITT-5
- SENALES DE REGISTRO
(LINK - BY - LINK, END - TO - END)
SENALIZACION POR CANAL COMUN
- MENSAJES ESTRUCTURADOS QUE VIAJAN A
TRAVES DE RED DE SENALIZACION
CCS # 7
( TUP and ISUP )
LINK - BY - LINK
Jaime Silva
PRELIMINARY
MAYO 1996
R2
CANAL 16
COURSE
CANAL 16
WIRELESS NETWORKS
CANAL 16
CANAL 16
CANAL 16
CANAL 16
CANAL 16
SENALIZACION R2 (MFC-LME ) CON SISTEMA DIGITAL ( PCM ) DE MULTIPLEX
ENTRE CENTRALES
LAS SENALES DE REGISTRO VAN POR EL MISMO CANAL TELEFONICO POR DONDE HABLAN LOS
USUARIOS CUANDO QUEDE ESTABLECIDA LA COMUNICACION.
LAS SENALES DE LINEA CORRESPONDIENTES A CADA 30 CANALES, VIAJAN MULTIPLEXADAS
POR EL CANAL 16 DE CADA CIRCUITO
Jaime Silva
PRELIMINARY
MAYO 1996
R2
WIRELESS NETWORKS
COURSE
SP
SP
SP
SP
SP
SP
SENALIZACION POR CANAL COMUN
SE TRATA DE UNA RED DE DATOS DE SENALIZACION SUPERPUESTA SOBRE
LA RED DE CONMUTACION DE CIRCUITOS
CIRCUITOS DE SENALIZACION ASOCIADOS A CIRCUITOS DE VOZ
Jaime Silva
PRELIMINARY
MAYO 1996
R2
WIRELSS NETWORKS
COURSE
STP
SP
SP
SP
SP
SP
SP
SENALIZACION POR CANAL COMUN CON STP
SP = SIGNALLING POINT
STP = SIGNALLING TRANSFER POINT
SENALIZACION CUASIASOCIADA
Jaime Silva
MAYO 1996
R2 COURSE
E1
PBX
(Concentration)
AN
AN = Access Network
LE = Local Exchange
Jaime Silva
PRELIMINARY
LE
MAYO 2001
R2 COURSE
E1
LE
Jaime Silva
LE = Local Exchange
NE = National Exchange
PRELIMINARY
NE
MAYO 2001
R2 COURSE
E1
PBX
(Concentration)
E1
E1
AN
AN = Access Network
LE = Local Exchange
Jaime Silva
PRELIMINARY
LE
MAYO 2001
R2 COURSE
E1
E1
E1
LE
Jaime Silva
LE = Local Exchange
NE = National Exchange
PRELIMINARY
NE
MAYO 2001
R2 COURSE
R2 Course
R2
SIGNALLING
- LINE SIGNALLING
To indicate the status of the
handsets
(Out band signals)
- REGISTER SIGNALLING
To send the dialing information
and the call progress
(In band signals)
Jaime Silva
PRELIMINARY
MAYO 2001
R2 COURSE
R2 Course
LINE SIGNALLING
- ANALOG
- DIGITAL
Jaime Silva
PRELIMINARY
MAYO 2001
R2 COURSE
R1 or
R2 Signalling System (Analog Line Signalling)
FDM
Chan 1
Chan 16
Chan 31
PBX (AN)
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
LE
Register Signalling
PRELIMINARY
MAYO 2001
R2 COURSE
R1 or
R2 Signalling System
(Digital Line Signalling)
E1
PCM
Chan 1
Chan 16
Chan 31
PBX (AN)
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
LE
Register Signalling
PRELIMINARY
MAYO 2001
R2 COURSE
R1 or
R2 Signalling System
E1
E1
E1
AN
Line Signalling
AN = Access Network
LE = Local Exchange
Jaime Silva
LE
Register Signalling
PRELIMINARY
MAYO 2001
R2 COURSE
R2
Signalling System
-
Call Setup
E1
Seizure
Seizure-Ack
AN
Digit
A1
Digit
A1
(Group I)
(Group A)
(Group I)
(Group A)
Digit (ST)
A3
Cat
B1
Ring Back
(Group I)
(Group A)
(Group II)
(Group B)
Tone
Answer
CONVERSATION
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
Register Signalling
PRELIMINARY
LE
MAYO 2001
R2
R2
COURSE
Signalling System - Call Release
E1
CONVERSATION
Clear Forward
Clear Backward
Released
AN
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
Register Signalling
PRELIMINARY
LE
MAYO 2001
R2
R2
COURSE
Signalling System
(Analog Line Signalling)
E1
AN
LE
LINE
SIGNALLING
REGISTER
SIGNALLING
3.825 Hz
0
Jaime Silva
300
3400
PRELIMINARY
(TONE-ON, TONE-OFF)
4000 HZ
MAYO 2001
WIRELESS NETWORKS
R2 COURSE
R2 SIGNALLING
LINE SIGNALLING
-
ANALOG
VERSION (Q.411 Recommendation)
Line Signalling Condition
State or the Circuit
FORWARD
BACKWARD
IDLE
Tone - on
Tone - on
SEIZED
Tone - off
Tone - on
ANSWERED
Tone - off
Tone - off
CLEAR - BACK
Tone - off
Tone - on
RELEASE
Tone - on
BLOCKED
Tone - on
Jaime Silva
PRELIMINARY
Tone – on or off
Tone - off
MAYO 1996
R2
R2
COURSE
Signalling System
(Digital Line Signalling)
E1
16
AN
LE
a
b
c
d
REGISTER
SIGNALLING
0
300
Jaime Silva
64 Kbps
LINE
SIGNALLING
3400 HZ
PRELIMINARY
MAYO 2001
PCM ( E1 ) COURSE
NORTEL NETWORKS
125 uSec
256 bits
LINE
Signalling
Information
Encoded speech signals
or data signals 1 to 15
Time
Slots
0
1
2
Encoded speech signals
or data signals 16 to 30
15 16
17
31
ONE PCM ( E1 ) FRAME
8 bits ( 3,9 uSec. )
1 bit = 0,49 uSec.
Jaime Silva
29 30
PRELIMINARY
AUGUST 2000
PCM ( E1 ) COURSE
FRAME 0
0
16
NORTEL NETWORKS
FRAME 1
FRAME 15
16
16
0
Signalling Frame
Signalling
time slots
0
1
0 0 0 0 X Y X X
Multiframe
Alignment
Signal
Not multifr.
Alignment
Signal
a b c d
Channel
1
15
a b c d
a
Channel
17
b c d
Channel
15
Signalling Words
a b c d
Channel
31
Signalling Words
a b c d = 1 0 0 1 for IDLE channel
0 0 0 0 = Multiframe Alignment Signal
X = Reserved bit
Y = Distant Multiframe Alarm bit
Jaime Silva
CAS Signalling in a
2 Mbit/s System (2/2)
PRELIMINARY
WIRELESS NETWORKS
R2 COURSE
R2 SIGNALLING
LINE SIGNALLING
-
DIGITAL VERSION (Q.421 Recommendation)
SIGNALLING CODE
State of the Circuit
FORWARD
BACKWARD
a
b
IDLE / RELEASED
1
0
1
0
SEIZED
0
0
1
0
SEIZURE ACK
0
0
1
1
ANSWERED
0
0
0
1
CLEAR - BACK
0
0
1
1
CLEAR - FORWARD
1
0
0 o 1
1
BLOCKED
1
0
1
1
Jaime Silva
PRELIMINARY
a
b
MAYO 1996
R2 COURSE
R2 Course
REGISTER SIGNALLING
- Without ANI information
- With ANI information
Jaime Silva
PRELIMINARY
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
FORWARD SIGNALS : Group I, Group II
AN
LE
0
300
3400 HZ
0
300
3400 HZ
REGISTER
SIGNALLING
BACKWARD SIGNALS : Group A, Group B, Group C
Jaime Silva
PRELIMINARY
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
AN
Q.441 Recommendation
LE
FORWARD Signals : Group I, Group II
SIGNAL FREQUENCIES
(Hz):
1380 1500 1620 1740 1860 1980
3400 HZ
300
Jaime Silva
PRELIMINARY
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL 1380 1500 1620 1740 1860 1980
AN
FORWARD Signals : Group I, Group II
3400 HZ
300
Jaime Silva
1
X
2
3
X
4
5
6
X
7
8
9
10
X
11
12
13
14
15
X
X
X
X
X
X
X
X
X
X
X
X
X
LE
X
X
X
X
X
X
X
X
PRELIMINARY
Q.441 Recommendation
X
X
X
X
X
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
AN
Q.441 Recommendation
LE
BACKWARD Signals : Groups A, B, C
SIGNAL FREQUENCIES
(Hz):
540 660 780 900 1020 1140
300
Jaime Silva
PRELIMINARY
3400 HZ
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL 1140 1020
AN
Q.441 Recommendation
Jaime Silva
1
X
2
3
X
4
5
6
X
7
8
9
10
X
11
12
13
14
15
X
900 780
660
540
X
X
X
X
X
X
X
X
X
X
X
X
LE
X
X
X
X
X
X
X
X
PRELIMINARY
BACKWARD Signals : Groups A, B, C
X
X
X
X
X
300
3400 HZ
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
FORWARD Signals : Group I, Group II
3400 HZ
300
Jaime Silva
MEANING OF THE SIGNAL
I-1
Digit 1
I-2
I-3
Digit 2
Digit 3
I-4
I-5
I-6
Digit 4
Digit 5
Digit 6
LE
I-7
I-8
I-9
I-10
Digit
Digit
Digit
Digit
GROUP I Signals
I-11
I-12
I-13
I-14
I-15
Reserved
Reserved
Reserved
Reserved
End of Digits
7
8
9
0
PRELIMINARY
Colombian Specification
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
FORWARD Signals : Group I, Group II
3400 HZ
300
Jaime Silva
MEANING OF THE SIGNAL
I-1
Digit 1
I-2
I-3
Digit 2
Digit 3
I-4
I-5
I-6
Digit 4
Digit 5
Digit 6
LE
I-7
I-8
I-9
I-10
Digit
Digit
Digit
Digit
GROUP I Signals
I-11
I-12
I-13
I-14
I-15
Access to incoming Operator
Access to delay Operator
Access to Test Equipment
Incoming half echo suppressor req.
End of Pulsing
7
8
9
0
PRELIMINARY
Q.441 Recommendation
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
FORWARD Signals : Group I, Group II
3400 HZ
300
Jaime Silva
MEANING OF THE SIGNAL
II-1
Reserved
II-2
II-3
Ordinary Subscriber
Payphone
II-4
II-5
II-6
Immediate Charge
Reserved
Test Equipment
LE
II-7
II-8
II-9
II-10
Reserved
Reserved
Reserved
Reserved
GROUP II Signals
II-11
II-12
II-13
II-14
II-15
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
Calling Party Category
Colombian Specification
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
FORWARD Signals : Group I, Group II
3400 HZ
300
Jaime Silva
MEANING OF THE SIGNAL
II-1
Subscriber without priority (natl)
II-2
II-3
Subscriber with priority (natl)
Maintenance Equipment (natl)
II-4
II-5
II-6
Spare
(natl)
Operator (natl)
Data Transmission
II-7
II-8
II-9
II-10
Subscriber (or operator w/o FOT)
Data Transmission (intl)
Subscriber with priority (intl)
Operator with FOT (intl)
II-11
II-12
II-13
II-14
II-15
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
(natl)
LE
GROUP II Signals
Calling Party Category
Q.441 Recommendation
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
GROUP A Signals
Colombian Specification
Jaime Silva
MEANING OF THE SIGNAL
A-1
Send Next Digit
A-2
A-3
Send First Digit
Send Group II, change to receive B
A-4
A-5
A-6
Congestion
Reserved
Send Group II, change to receive C
A-7
A-8
A-9
A-10
Reserved
Reserved
Reserved
Reserved
A-11
A-12
A-13
A-14
A-15
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
LE
BACKWARD Signals : Groups A, B, C
300
3400 HZ
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
GROUP A Signals
Q.441 Recommendation
Jaime Silva
MEANING OF THE SIGNAL
A-1
Send Next Digit
A-2
A-3
Send Last but one
Address Comp., change to receive B
A-4
A-5
A-6
Congestion in national network
Send Group II
Address Complete, Charge
A-7
A-8
A-9
A-10
Send Last but two
Send Last but three
Reserved
Reserved
A-11
A-12
A-13
A-14
A-15
Send Country Code indicator
Send Language or discrim. digit
Send Nature of Circuit
Send requirements of half echo supp.
Congestion in intnl. network
PRELIMINARY
LE
BACKWARD Signals : Groups A, B, C
300
3400 HZ
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
GROUP B Signals
Colombian Specification
Jaime Silva
MEANING OF THE SIGNAL
B-1
Subscriber free, Charge
B-2
B-3
Busy
Forward Transfer
B-4
B-5
B-6
Congestion
Subscriber free, No Charge
Malicious Call
B-7
B-8
B-9
B-10
Reserved
Reserved
Reserved
Reserved
B-11
B-12
B-13
B-14
B-15
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
LE
BACKWARD Signals : Groups A, B, C
300
3400 HZ
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
GROUP B Signals
Q.441 Recommendation
Jaime Silva
MEANING OF THE SIGNAL
B-1
Spare, for national use
B-2
B-3
Send special information tone
Subscriber line Busy
B-4
B-5
B-6
Congestion
Unallocated Number
Subscriber free, Charge
B-7
B-8
B-9
B-10
Subscriber free, No Charge
Subscriber line Out of order
Reserved
Reserved
B-11
B-12
B-13
B-14
B-15
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
LE
BACKWARD Signals : Groups A, B, C
300
3400 HZ
MAYO 2001
R2
R2
COURSE
Signalling System
(REGISTER Signalling)
E1
16
SIGNAL
AN
GROUP C Signals
Colombian Specification
Jaime Silva
MEANING OF THE SIGNAL
C-1
Send Next ANI Digit
C-2
C-3
Reserved
Send Group II, change to rec. B
C-4
C-5
C-6
Congestion
Reserved
Reserved
C-7
C-8
C-9
C-10
Reserved
Reserved
Reserved
Reserved
C-11
C-12
C-13
C-14
C-15
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
LE
BACKWARD Signals : Groups A, B, C
300
3400 HZ
MAYO 2001
R2
COURSE
WIRELESS NETWORKS
SEIZURE
SEIZURE
SEIZURE
SENALIZACION R2
LINK-BY-LINK
ANSWER
Jaime Silva
ANSWER
PRELIMINARY
ANSWER
MAYO 1996
R2
COURSE
WIRELESS NETWORKS
SEIZURE
SEIZURE
SEIZURE
SENALIZACION R2
END-TO-END
ANSWER
Jaime Silva
ANSWER
PRELIMINARY
ANSWER
MAYO 1996
R2 COURSE
R2
Signalling System
-
Call Setup (without ANI)
E1
Seizure
Seizure-Ack
AN
Digit
A1
Digit
A1
(Group I)
(Group A)
(Group I)
(Group A)
Digit (ST)
A3
Cat
B1
Ring Back
(Group I)
(Group A)
(Group II)
(Group B)
Tone
Answer
CONVERSATION
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
Register Signalling
PRELIMINARY
LE
MAYO 2001
R2
R2
COURSE
Signalling System - Call Release
E1
CONVERSATION
Clear Forward
Clear Backward
Released
AN
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
Register Signalling
PRELIMINARY
LE
MAYO 2001
R2 COURSE
R2
Signalling System
-
Call Setup (with ANI)
E1
Seizure
Seizure-Ack
Digit
(Group I)
A1
(Group A)
Digit (ST) (Group I)
A6
(Group A)
Cat
(Group II)
C1
(Group C)
Digit ANI (Group III)
AN
Digit (ST)
A3
Cat
B1
(Group III)
(Group A)
(Group II)
(Group B)
Ring Back Tone
Line Signalling
Register Signalling
Jaime Silva
Answer
LE
CONVERSATION
PRELIMINARY
MAYO 2001
R2
R2
COURSE
Signalling System - Call Release (Suspension)
E1
CONVERSATION
Clear Backward
Answered
CONVERSATION
Clear Forward
Clear Backward
AN
AN = Access Network
LE = Local Exchange
Jaime Silva
Released
Line Signalling
Register Signalling
PRELIMINARY
LE
MAYO 2001
R2
R2
COURSE
Signalling System - Call Release (Suspension timer)
E1
CONVERSATION
Clear Backward
Clear Forward
Released
AN
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
Register Signalling
PRELIMINARY
LE
MAYO 2001
R2 COURSE
R2 Signalling System - Call Setup (with ANI before Called)
E1
Seizure
Seizure-Ack
Digit
(Group I)
A1
(Group A)
A6
(Group A)
Cat
(Group II)
C1
(Group C)
Digit ANI (Group III)
AN
Line Signalling
Register Signalling
Jaime Silva
Digit (ST) (Group III)
A1
(Group A)
Digit
(Group I)
Digit (ST) (Group I)
A3
Cat
(Group II)
B1
(Group B)
Ring Back Tone
Answer
CONVERSATION
PRELIMINARY
LE
MAYO 2001
R2 COURSE
R2
Signalling System - Call Setup (Busy or Congestion)
E1
Seizure
Seizure-Ack
Digit
A1
Digit
A1
AN
(Group I)
(Group A)
(Group I)
(Group A)
Digit (ST) (Group I)
A3
(Group A)
Cat
(Group II)
B2
(Group B)
Clear Forward
LE
Released
AN = Access Network
LE = Local Exchange
Jaime Silva
Line Signalling
Register Signalling
PRELIMINARY
MAYO 2001
R2 COURSE
OUTGOING CALL
Susp.
Timer
0,0 1,1
On-hook or Timer
CLEAR-FWD
BLOCKED
Idle
1,0 1,0
Off-hook
SEIZED
RELEASED
On-hook
Blocked
1,0 1,1
IDLE
Wait
Seize-ack
0,0 1,0
On-hook
Wait
Released
1,0 1,1
Wait
Clear-back
1,0 0,1
ANSWER
CLEAR-FWD
On-hook
CLEAR-FWD
SEIZE-ACK
CLEAR-BCK
DIGIT
On-hook or B2
CLEAR-FWD
Wait
A-Signal
0,0 1,1
A1
DIGIT
C1
End DIG
A3
CAT
A6
CAT
On-hook
Wait
B-Signal
0,0 1,1
CLEAR-FWD
C1
DIGIT
Jaime Silva
B1 / B5
On-hook
CLEAR-FWD
Wait for
Answer
0,0 1,1
Conver-sation
0,0 0,1
ANSWER
Wait
C-Signal
0,0 1,1
PRELIMINARY
MAYO 2001
R2 COURSE
INCOMING CALL
Idle
1,0 1,0
SEIZED
SEIZE-ACK
Wait
GUARD
1,0 1,1
BLOCKED
CLEAR-FWD
CLEAR-BACK
RELEASED
On-hook
Blocked
1,0 1,1
IDLE
CLEAR-FWD
CLEAR-BACK
Off-Hook
ANSWER
CLEAR-FWD
CLEAR-BACK
On-Hook
CLEAR-FWD
CLEAR-BACK
DIGIT
A1
END-OF-DIG
A6 / A3
C1
End DIG
Conver-sation
0,0 0,1
ANSWER
CAT
B1 / B5
DIGIT
C1
CLEAR-BCK
Wait
ANSWER
0,0 1,1
Wait
DIGIT
0,0 1,1
Jaime Silva
Susp.
Timer
0,0 1,1
CLEAR-FWD or Timer
CLEAR-BACK
Wait
A-DIGIT
0,0 1,1
CAT
C1
END-OF-DIGITS
Wait for
CAT
0,0 1,1
A3
PRELIMINARY
MAYO 2001
R2 COURSE
Jaime Silva
PRELIMINARY
MAYO 2001