1. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY Based on Q.400 Series ITU-T Recommendations R2 COURSE

2. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY Based on Q.400 Series ITU-T Recommendations R2 Course ACCESS AND INTER SWITCHES PROTOCOLS R2 OVERVIEW LINE SIGNALLING REGISTER SIGNALLING SIGNALLING PROCEDURES

3. R2 COURSE Jaime Silva MAYO 1996 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 PRELIMINARY

4. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY R2 Course ACCESS AND INTER SWITCHES PROTOCOLS - CAS protocols (R1, R2) - DSS1 protocols (BRI, PRI) - CCS7 with ISUP

5. R2 COURSE Jaime Silva MAYO 1996 WIRELESS NETWORKS SENALIZACION ASOCIADA AL CANAL (PER TRUNK SIGNALLING, PTS) - SENALES DE LINEA - SENALES DE REGISTRO (LINK - BY - LINK, END - TO - END) SENALIZACION POR CANAL COMUN - MENSAJES ESTRUCTURADOS QUE VIAJAN A TRAVES DE RED DE SENALIZACION LINK - BY - LINK R2 MFC - LME CCS # 7 - ANALOGICO - DIGITAL R1 CCITT-5 ( TUP and ISUP ) PRELIMINARY

6. R2 COURSE Jaime Silva MAYO 1996 WIRELESS NETWORKS 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 PRELIMINARY CANAL 16

7. R2 COURSE Jaime Silva MAYO 1996 WIRELESS NETWORKS 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 PRELIMINARY

8. R2 COURSE Jaime Silva MAYO 1996 WIRELSS NETWORKS SP SENALIZACION POR CANAL COMUN CON STP STP SP = SIGNALLING POINT STP = SIGNALLING TRANSFER POINT SENALIZACION CUASIASOCIADA

9. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY PBX (Concentration) AN LE AN = Access Network LE = Local Exchange E1

10. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY LE LE = Local Exchange NE = National Exchange E1 NE

11. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY PBX (Concentration) AN LE AN = Access Network LE = Local Exchange E1

12. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY LE LE = Local Exchange NE = National Exchange E1 NE

13. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY 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)

14. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY R2 Course LINE SIGNALLING - ANALOG - DIGITAL

15. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY PBX (AN) LE AN = Access Network LE = Local Exchange Chan 1 Chan 16 Chan 31 Line Signalling Register Signalling FDM R1 or R2 Signalling System (Analog Line Signalling)

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

17. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE AN = Access Network LE = Local Exchange E1 R1 or R2 Signalling System Line Signalling Register Signalling

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

19. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE AN = Access Network LE = Local Exchange E1 R2 Signalling System - Call Release Line Signalling Register Signalling CONVERSATION Clear Forward Clear Backward Released

20. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System 300 3400 4000 HZ 0 LINE SIGNALLING REGISTER SIGNALLING 3.825 Hz (TONE-ON, TONE-OFF) (Analog Line Signalling)

21. R2 COURSE Jaime Silva MAYO 1996 WIRELESS NETWORKS PRELIMINARY R2 SIGNALLING LINE SIGNALLING - ANALOG VERSION (Q.411 Recommendation) State or the CircuitFORWARDBACKWARD 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 IDLE Tone - on Tone - on Line Signalling Condition

22. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System 300 3400 HZ 0 LINE SIGNALLING REGISTER SIGNALLING (Digital Line Signalling) 16 abcdabcd 64 Kbps

23. PCM ( E1 ) COURSE Jaime Silva AUGUST 2000 NORTEL NETWORKS PRELIMINARY 0 1 215 16 1729 30 31 Time Slots Encoded speech signals or data signals 1 to 15 Encoded speech signals or data signals 16 to 30 LINE Signalling Information 125 uSec 256 bits 8 bits ( 3,9 uSec. ) 1 bit = 0,49 uSec. ONE PCM ( E1 ) FRAME

24. PCM ( E1 ) COURSE Jaime Silva NORTEL NETWORKS PRELIMINARY FRAME 0 FRAME 1 FRAME 15 0 0 CAS Signalling in a 2 Mbit/s System (2/2) CAS Signalling in a 2 Mbit/s System (2/2) Signalling Frame a b c d a b c d 0 0 0 0 X Y X X a b c d a b c d Multiframe Alignment Signal Not multifr. Alignment Signal Signalling Words Channel 1 17 Channel 15 31 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 16 Signalling time slots 0115

25. R2 COURSE Jaime Silva MAYO 1996 WIRELESS NETWORKS PRELIMINARY R2 SIGNALLING LINE SIGNALLING - DIGITAL VERSION (Q.421 Recommendation) State of the Circuit FORWARD BACKWARD abab 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 SIGNALLING CODE

26. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY R2 Course REGISTER SIGNALLING - Without ANI information - With ANI information

27. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System REGISTER SIGNALLING (REGISTER Signalling) 16 300 3400 HZ 0 FORWARD SIGNALS : Group I, Group II 300 3400 HZ 0 BACKWARD SIGNALS : Group A, Group B, Group C

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

29. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ FORWARD Signals : Group I, Group II 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 Q.441 Recommendation

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

31. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ BACKWARD Signals : Groups A, B, C 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 Q.441 Recommendation

32. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ FORWARD Signals : Group I, Group II SIGNAL MEANING OF THE SIGNAL I-1Digit 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-10Digit 0 I-11 Reserved I-12Reserved I-13 Reserved I-14Reserved I-15End of Digits GROUP I Signals Colombian Specification

33. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ FORWARD Signals : Group I, Group II SIGNAL MEANING OF THE SIGNAL I-1Digit 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-10Digit 0 I-11 Access to incoming Operator I-12Access to delay Operator I-13 Access to Test Equipment I-14Incoming half echo suppressor req. I-15End of Pulsing GROUP I Signals Q.441 Recommendation

34. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ FORWARD Signals : Group I, Group II SIGNAL MEANING OF THE SIGNAL II-1Reserved II-2 Ordinary Subscriber II-3 Payphone II-4 Immediate Charge II-5 Reserved II-6 Test Equipment II-7Reserved II-8Reserved II-9 Reserved II-10 Reserved II-11Reserved II-12Reserved II-13Reserved II-14Reserved II-15Reserved GROUP II Signals Calling Party Category Colombian Specification

35. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ FORWARD Signals : Group I, Group II SIGNAL MEANING OF THE SIGNAL II-1Subscriber 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-7Subscriber (or operator w/o FOT) II-8Data Transmission (intl) II-9 Subscriber with priority (intl) II-10 Operator with FOT (intl) II-11Reserved II-12Reserved II-13Reserved II-14Reserved II-15Reserved GROUP II Signals Q.441 Recommendation Calling Party Category

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

37. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ BACKWARD Signals : Groups A, B, C SIGNAL MEANING OF THE SIGNAL A-1 Send Next Digit A-2Send Last but one A-3 Address Comp., change to receive B A-4 Congestion in national network A-5 Send Group II A-6Address Complete, Charge A-7 Send Last but two A-8Send 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-14Send requirements of half echo supp. A-15Congestion in intnl. network GROUP A Signals Q.441 Recommendation

38. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ BACKWARD Signals : Groups A, B, C 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 GROUP B Signals Colombian Specification

39. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ BACKWARD Signals : Groups A, B, C 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 GROUP B Signals Q.441 Recommendation

40. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ BACKWARD Signals : Groups A, B, C 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 GROUP C Signals Colombian Specification

41. R2 COURSE Jaime Silva MAYO 1996 WIRELESS NETWORKS ANSWER SEIZURE ANSWER PRELIMINARY SENALIZACION R2 LINK-BY-LINK

42. R2 COURSE Jaime Silva MAYO 1996 WIRELESS NETWORKS ANSWER SEIZURE ANSWER PRELIMINARY SENALIZACION R2 END-TO-END

43. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE AN = Access Network LE = Local Exchange E1 R2 Signalling System - Call Setup (without ANI) Line Signalling Register Signalling 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

44. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE AN = Access Network LE = Local Exchange E1 R2 Signalling System - Call Release Line Signalling Register Signalling CONVERSATION Clear Forward Clear Backward Released

45. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System - Call Setup (with ANI) Line Signalling Register Signalling 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

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

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

48. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System - Call Setup (with ANI before Called) Line Signalling Register Signalling 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

49. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE AN = Access Network LE = Local Exchange E1 R2 Signalling System - Call Setup (Busy or Congestion) Line Signalling Register Signalling 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

50. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY Idle 1,0 Blocked 1,0 1,1 Wait Seize-ack 0,0 1,0 Wait Released 1,0 1,1 Wait A-Signal 0,0 1,1 OUTGOING CALL Wait B-Signal 0,0 1,1 Wait C-Signal 0,0 1,1 Conver- -sation 0,0 0,1 Susp. Timer 0,0 1,1 Wait for Answer 0,0 1,1 Off-hook SEIZED BLOCKED RELEASED On-hook IDLE SEIZE-ACK DIGIT A1 DIGIT A3 CAT C1 DIGIT C1 End DIG A6 CAT On-hook CLEAR-FWD On-hook CLEAR-FWD On-hook or B2 CLEAR-FWD On-hook CLEAR-FWD On-hook or Timer CLEAR-FWD CLEAR-BCK ANSWER On-hook CLEAR-FWD ANSWER Wait Clear-back 1,0 0,1 B1 / B5

51. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY Idle 1,0 Blocked 1,0 1,1 Wait DIGIT 0,0 1,1 INCOMING CALL Wait ANSWER 0,0 1,1 Wait A-DIGIT 0,0 1,1 Conver- -sation 0,0 0,1 Susp. Timer 0,0 1,1 Wait for CAT 0,0 1,1 SEIZED SEIZE-ACK BLOCKED RELEASED On-hook IDLE END-OF-DIGITS A3 DIGIT A1 END-OF-DIG A6 / A3 DIGIT C1 End DIG CAT B1 / B5 CAT C1 CLEAR-FWD or Timer CLEAR-BACK On-Hook CLEAR-BCK ANSWER CLEAR-FWD CLEAR-BACK Off-Hook ANSWER Wait GUARD 1,0 1,1 CLEAR-FWD CLEAR-BACK CLEAR-FWD CLEAR-BACK CLEAR-FWD CLEAR-BACK

52. R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY