R2 COURSE

1
R2 COURSE
R2 COURSE
Based on Q.400 Series ITU-T
Recommendations
Jaime Silva
PRELIMINARY
MAYO 2001
2
R2 COURSE
R2
Course ACCESS AND INTER SWITCHES
PROTOCOLS R2 OVERVIEW LINE SIGNALLING REGISTE
R SIGNALLING SIGNALLING PROCEDURES
Based on Q.400 Series ITU-T
Recommendations
Jaime Silva
PRELIMINARY
MAYO 2001
3
WIRELESS NETWORKS
R2 COURSE
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
MAYO 1996
PRELIMINARY
4
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
5
WIRELESS NETWORKS
R2 COURSE
MFC - LME
SENALIZACION ASOCIADA AL CANAL
R2
(PER TRUNK SIGNALLING, PTS) - SENALES DE
LINEA - SENALES DE REGISTRO (LINK - BY - LINK,
END - TO - END)
R1
CCITT-5
- ANALOGICO - DIGITAL
CCS 7
SENALIZACION POR CANAL COMUN
- MENSAJES ESTRUCTURADOS QUE VIAJAN A TRAVES DE
RED DE SENALIZACION LINK - BY - LINK
( TUP and ISUP )
Jaime Silva
MAYO 1996
PRELIMINARY
6
WIRELESS NETWORKS
R2 COURSE
CANAL 16
CANAL 16
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
MAYO 1996
PRELIMINARY
7
WIRELESS NETWORKS
R2 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
MAYO 1996
PRELIMINARY
8
WIRELSS NETWORKS
R2 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
9
R2 COURSE
E1
PBX (Concentration)
AN
LE
AN Access Network LE Local Exchange
Jaime Silva
PRELIMINARY
MAYO 2001
10
R2 COURSE
E1
LE
NE
LE Local Exchange NE National Exchange
Jaime Silva
PRELIMINARY
MAYO 2001
11
R2 COURSE
E1
PBX (Concentration)
E1
E1
AN
LE
AN Access Network LE Local Exchange
Jaime Silva
PRELIMINARY
MAYO 2001
12
R2 COURSE
E1
E1
E1
LE
NE
LE Local Exchange NE National Exchange
Jaime Silva
PRELIMINARY
MAYO 2001
13
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
14
R2 COURSE
R2
Course LINE SIGNALLING
- ANALOG
- DIGITAL
Jaime Silva
PRELIMINARY
MAYO 2001
15
R2 COURSE
R1 or R2 Signalling System (Analog Line
Signalling)

FDM
Chan 1
Chan 16
Chan 31
PBX (AN)
Line Signalling Register Signalling
LE
AN Access Network LE Local Exchange
Jaime Silva
PRELIMINARY
MAYO 2001
16
R2 COURSE
R1 or R2 Signalling System
(Digital Line Signalling)
E1 PCM

Chan 1
Chan 16
Chan 31
PBX (AN)
Line Signalling Register Signalling
LE
AN Access Network LE Local Exchange
Jaime Silva
PRELIMINARY
MAYO 2001
17
R2 COURSE
R1 or R2 Signalling System
E1

E1
E1
AN
Line Signalling Register Signalling
LE
AN Access Network LE Local Exchange
Jaime Silva
PRELIMINARY
MAYO 2001
18
R2 COURSE
R2 Signalling System - Call Setup
E1

Seizure Seizure-Ack Digit (Group I)
A1 (Group A) Digit
(Group I) A1 (Group A) Digit
(ST) (Group I) A3 (Group A)
Cat (Group II) B1
(Group B) Ring Back Tone Answer CONVERSATION
AN
LE
AN Access Network LE Local Exchange
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
19
R2 COURSE
R2 Signalling System - Call Release
E1

CONVERSATION Clear Forward Clear
Backward Released
AN
LE
AN Access Network LE Local Exchange
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
20
R2 COURSE
R2 Signalling System
(Analog Line Signalling)
E1

AN
LE
LINE SIGNALLING
REGISTER SIGNALLING
3.825 Hz (TONE-ON, TONE-OFF)
300
0
3400
4000 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
21
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 Tone
on or off BLOCKED
Tone - on
Tone - off
Jaime Silva
PRELIMINARY
MAYO 1996
22
R2 COURSE
R2 Signalling System
(Digital Line Signalling)
E1

16
AN
LE
a b c d
REGISTER SIGNALLING
64 Kbps
LINE SIGNALLING
300
0
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
23
NORTEL NETWORKS
PCM ( E1 ) COURSE
125 uSec 256 bits
LINE Signalling Information
Encoded speech signals or data signals 1 to
15
Encoded speech signals or data signals 16
to 30
Time Slots
0 1 2
15 16 17
29 30 31
ONE PCM ( E1 ) FRAME
8 bits ( 3,9 uSec. ) 1 bit 0,49 uSec.
Jaime Silva
PRELIMINARY
AUGUST 2000
24
NORTEL NETWORKS
PCM ( E1 ) COURSE
FRAME 0 FRAME 1

FRAME 15
0
0

16
16
16
Signalling Frame
Signalling time slots
0
1
15
Multiframe Alignment Signal
Not multifr. Alignment Signal
Channel Channel 1 17
Channel Channel 15 31
Signalling Words
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
CAS Signalling in a 2 Mbit/s System (2/2)
Jaime Silva
PRELIMINARY
25
WIRELESS NETWORKS
R2 COURSE
R2 SIGNALLING
LINE SIGNALLING - DIGITAL VERSION
(Q.421 Recommendation)
SIGNALLING CODE
State of the Circuit
FORWARD
BACKWARD
a
b
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
MAYO 1996
26
R2 COURSE
R2
Course REGISTER SIGNALLING
- Without ANI information
- With ANI
information
Jaime Silva
PRELIMINARY
MAYO 2001
27
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
AN
LE
REGISTER SIGNALLING
Jaime Silva
PRELIMINARY
MAYO 2001
28
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
Q.441 Recommendation
AN
LE
FORWARD Signals Group I, Group II
SIGNAL FREQUENCIES (Hz) 1380 1500 1620
1740 1860 1980
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
29
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL 1380 1500 1620 1740 1860 1980
1 X X 2
X X 3
X X 4 X
X 5
X X 6
X X 7 X
X 8
X X
9 X
X 10
X X 11 X
X
12 X
X 13
X X 14
X
X 15
X X
AN
LE
Q.441 Recommendation
Jaime Silva
PRELIMINARY
MAYO 2001
30
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
Q.441 Recommendation
AN
LE
BACKWARD Signals Groups A, B, C
SIGNAL FREQUENCIES (Hz) 540 660 780
900 1020 1140
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
31
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL 1140 1020 900 780 660 540
1 X X 2
X X 3
X X 4 X
X 5
X X 6
X X 7 X
X 8
X X
9 X
X 10
X X 11 X
X
12 X
X 13
X X 14
X
X 15
X X
AN
LE
BACKWARD Signals Groups A, B, C
Q.441 Recommendation
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
32
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
I-1 Digit 1 I-2 Digit 2 I-3
Digit 3 I-4 Digit 4 I-5 Digit
5 I-6 Digit 6 I-7 Digit 7
I-8 Digit 8 I-9 Digit 9 I-10 Digit
0 I-11 Reserved I-12 Reserved
I-13 Reserved I-14 Reserved I-15 End
of Digits
AN
LE
GROUP I Signals Colombian Specification
Jaime Silva
PRELIMINARY
MAYO 2001
33
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
I-1 Digit 1 I-2 Digit 2 I-3
Digit 3 I-4 Digit 4 I-5 Digit
5 I-6 Digit 6 I-7 Digit 7
I-8 Digit 8 I-9 Digit 9 I-10 Digit
0 I-11 Access to incoming Operator
I-12 Access to delay Operator I-13 Access
to Test Equipment I-14 Incoming half echo
suppressor req. I-15 End of Pulsing
AN
LE
GROUP I Signals Q.441 Recommendation
Jaime Silva
PRELIMINARY
MAYO 2001
34
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
II-1 Reserved II-2 Ordinary
Subscriber II-3 Payphone II-4
Immediate Charge II-5 Reserved
II-6 Test Equipment II-7 Reserved
II-8 Reserved II-9 Reserved II-10
Reserved II-11 Reserved
II-12 Reserved II-13 Reserved
II-14 Reserved II-15 Reserved
AN
LE
GROUP II Signals Calling Party
Category Colombian Specification
Jaime Silva
PRELIMINARY
MAYO 2001
35
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
II-1 Subscriber without priority (natl)
II-2 Subscriber with priority (natl)
II-3 Maintenance Equipment (natl)
II-4 Spare (natl) II-5 Operator
(natl) II-6 Data Transmission
(natl) II-7 Subscriber (or operator w/o
FOT) II-8 Data Transmission (intl)
II-9 Subscriber with priority (intl)
II-10 Operator with FOT (intl)
II-11 Reserved II-12 Reserved
II-13 Reserved II-14 Reserved
II-15 Reserved
AN
LE
GROUP II Signals Q.441 Recommendation
Calling Party Category
Jaime Silva
PRELIMINARY
MAYO 2001
36
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
A-1 Send Next Digit A-2 Send
First Digit A-3 Send Group II, change
to receive B A-4 Congestion A-5
Reserved A-6 Send Group II, change to
receive C A-7 Reserved
A-8 Reserved A-9 Reserved A-10
Reserved A-11 Reserved A-12
Reserved A-13 Reserved A-14 Reserved
A-15 Reserved
AN
LE
BACKWARD Signals Groups A, B, C
GROUP A Signals Colombian Specification
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
37
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
A-1 Send Next Digit A-2 Send
Last but one A-3 Address Comp., change
to receive B A-4 Congestion in national
network A-5 Send Group II
A-6 Address Complete, Charge A-7 Send
Last but two A-8 Send Last but three
A-9 Reserved A-10 Reserved A-11
Send Country Code indicator A-12 Send
Language or discrim. digit A-13 Send
Nature of Circuit A-14 Send requirements
of half echo supp. A-15 Congestion in
intnl. network
AN
LE
BACKWARD Signals Groups A, B, C
GROUP A Signals Q.441 Recommendation
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
38
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
B-1 Subscriber free, Charge B-2
Busy B-3 Forward Transfer
B-4 Congestion B-5 Subscriber
free, No Charge B-6 Malicious Call
B-7 Reserved B-8 Reserved
B-9 Reserved B-10 Reserved
B-11 Reserved B-12 Reserved
B-13 Reserved B-14 Reserved
B-15 Reserved
AN
LE
BACKWARD Signals Groups A, B, C
GROUP B Signals Colombian Specification
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
39
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
B-1 Spare, for national use
B-2 Send special information tone
B-3 Subscriber line Busy B-4
Congestion B-5 Unallocated Number
B-6 Subscriber free, Charge B-7
Subscriber free, No Charge B-8
Subscriber line Out of order B-9
Reserved B-10 Reserved B-11
Reserved B-12 Reserved B-13
Reserved B-14 Reserved B-15
Reserved
AN
LE
BACKWARD Signals Groups A, B, C
GROUP B Signals Q.441 Recommendation
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
40
R2 COURSE
R2 Signalling System
(REGISTER Signalling)
E1

16
SIGNAL MEANING OF THE SIGNAL
C-1 Send Next ANI Digit C-2
Reserved C-3 Send Group II,
change to rec. B C-4
Congestion C-5 Reserved C-6
Reserved C-7 Reserved
C-8 Reserved C-9 Reserved
C-10 Reserved C-11 Reserved
C-12 Reserved C-13 Reserved
C-14 Reserved C-15 Reserved
AN
LE
BACKWARD Signals Groups A, B, C
GROUP C Signals Colombian Specification
300
3400 HZ
Jaime Silva
PRELIMINARY
MAYO 2001
41
WIRELESS NETWORKS
R2 COURSE
SEIZURE
SEIZURE
SEIZURE
SENALIZACION R2 LINK-BY-LINK
ANSWER
ANSWER
ANSWER
Jaime Silva
MAYO 1996
PRELIMINARY
42
WIRELESS NETWORKS
R2 COURSE
SEIZURE
SEIZURE
SEIZURE
SENALIZACION R2 END-TO-END
ANSWER
ANSWER
ANSWER
Jaime Silva
MAYO 1996
PRELIMINARY
43
R2 COURSE
R2 Signalling System - Call Setup
(without ANI)
E1

Seizure Seizure-Ack Digit (Group I)
A1 (Group A) Digit
(Group I) A1 (Group A) Digit
(ST) (Group I) A3 (Group A)
Cat (Group II) B1
(Group B) Ring Back Tone Answer CONVERSATION
AN
LE
AN Access Network LE Local Exchange
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
44
R2 COURSE
R2 Signalling System - Call Release
E1

CONVERSATION Clear Forward Clear
Backward Released
AN
LE
AN Access Network LE Local Exchange
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
45
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) Digit (ST)
(Group III) A3 (Group A) Cat
(Group II) B1 (Group B)
Ring Back Tone Answer CONVERSATION
AN
LE
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
46
R2 COURSE
R2 Signalling System - Call Release
(Suspension)
E1

CONVERSATION Clear Backward Answered CONVERSAT
ION Clear Forward Clear Backward Released
AN
LE
AN Access Network LE Local Exchange
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
47
R2 COURSE
R2 Signalling System - Call Release
(Suspension timer)
E1

CONVERSATION Clear Backward Clear
Forward Released
AN
LE
AN Access Network LE Local Exchange
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
48
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)
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
AN
LE
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
49
R2 COURSE
R2 Signalling System - Call Setup (Busy
or Congestion)
E1

Seizure Seizure-Ack Digit (Group I)
A1 (Group A) Digit
(Group I) A1 (Group A) Digit
(ST) (Group I) A3 (Group A)
Cat (Group II) B2
(Group B) Clear Forward Released
AN
LE
AN Access Network LE Local Exchange
Line Signalling Register Signalling
Jaime Silva
PRELIMINARY
MAYO 2001
50
R2 COURSE
OUTGOING CALL
Susp. Timer 0,0 1,1
On-hook or Timer CLEAR-FWD
Idle 1,0 1,0
Off-hook SEIZED
Wait Clear-back 1,0 0,1
BLOCKED
Wait Released 1,0 1,1
ANSWER
RELEASED
Wait Seize-ack 0,0 1,0
On-hook CLEAR-FWD
On-hook IDLE
Blocked 1,0 1,1
On-hook CLEAR-FWD
SEIZE-ACK DIGIT
CLEAR-BCK
On-hook or B2 CLEAR-FWD
A3 CAT
Wait A-Signal 0,0 1,1
Conver- -sation 0,0 0,1
Wait B-Signal 0,0 1,1
On-hook CLEAR-FWD
A6 CAT
A1 DIGIT
Wait for Answer 0,0 1,1
ANSWER
C1 End DIG
On-hook CLEAR-FWD
B1 / B5
C1 DIGIT
Wait C-Signal 0,0 1,1
Jaime Silva
PRELIMINARY
MAYO 2001
51
R2 COURSE
INCOMING CALL
Susp. Timer 0,0 1,1
CLEAR-FWD or Timer CLEAR-BACK
Idle 1,0 1,0
SEIZED SEIZE-ACK
Wait GUARD 1,0 1,1
BLOCKED
Off-Hook ANSWER
CLEAR-FWD CLEAR-BACK
RELEASED
On-hook IDLE
Blocked 1,0 1,1
CLEAR-FWD CLEAR-BACK
CLEAR-FWD CLEAR-BACK
On-Hook CLEAR-BCK
CLEAR-FWD CLEAR-BACK
Wait ANSWER 0,0 1,1
Wait DIGIT 0,0 1,1
Conver- -sation 0,0 0,1
END-OF-DIG A6 / A3
DIGIT A1
ANSWER
C1 End DIG
CAT B1 / B5
Wait for CAT 0,0 1,1
DIGIT C1
Wait A-DIGIT 0,0 1,1
CAT C1
END-OF-DIGITS A3
Jaime Silva
PRELIMINARY
MAYO 2001
52
R2 COURSE
Jaime Silva
PRELIMINARY
MAYO 2001