GSM_Call_Setup_Entity_Wise_Summary

EventStudio System Designer 4.0
Generated on 23-Feb-07 06:54

GSM Originating Call

Legs Taken:

• GSM Mobile Originated Call
• Skip Authentication Procedure
• Mobile initiates call release

User Actions

1. Take action "Dial the called person's number"
2. Send Send Button to Mobile
3. Receive Connecting... from Mobile
4. Receive Alerting Tone from Mobile
5. Receive Connected from Mobile
6. User and env_r participate in bidirectional message Speech exchange
7. env_r and User participate in bidirectional message Speech exchange
8. Send End Button to Mobile
9. Receive Call Released Indication from Mobile

Mobile Actions

1. Receive Send Button from User
2. Send RR CHANNEL REQUEST (RACH) to BSS
3. Receive RR IMMEDIATE ASSIGNMENT (AGCH, Radio_Resource = (TCH, Frequency, Timeslot), Time Correction, Frequency Correction) from BSS
4. Take action "Apply the time and frequency corrections"
5. Take action "Tune to the frequency and timeslot"
6. Send RR SABM + MM CM SERVICE REQUEST (TCH, SAPI = 0) to BSS
7. Receive RR UA (TCH, SAPI = 0) from BSS
8. Receive RR CIPHERING MODE COMMAND (mode = CLEAR) from BSS
9. Take action "Enable ciphering for received and transmitted data"
10. Send RR CIPHERING MODE COMPLETE (mode = CIPHERED) to BSS
11. Send CC SETUP (Dialed Digits) to MSC_VLR
12. Receive CC CALL PROCEEDING from MSC_VLR
13. Send Connecting... to User
14. Receive RR CHANNEL MODE MODIFY from BSS
15. Send RR CHANNEL MODE MODIFY ACKNOWLEDGE to BSS
16. Receive CC ALERTING from MSC_VLR
17. Send Alerting Tone to User
18. Receive CC CONNECT from MSC_VLR
19. Send CC CONNECT ACKNOWLEDGE to MSC_VLR
20. Send Connected to User
21. Receive End Button from User
22. Send CC DISCONNECT to MSC_VLR
23. Receive CC RELEASE from MSC_VLR
24. Send CC RELEASE COMPLETE to MSC_VLR
25. Receive RR CHANNEL RELEASE from BSS
26. Send RR DISC to BSS
27. Receive RR UA from BSS
28. Send Call Released Indication to User

BSS Actions

1. Receive RR CHANNEL REQUEST (RACH) from Mobile
2. Allocate resource "TCH"
3. Send RR IMMEDIATE ASSIGNMENT (AGCH, Radio_Resource = (TCH, Frequency, Timeslot), Time Correction, Frequency Correction) to Mobile
4. Receive RR SABM + MM CM SERVICE REQUEST (TCH, SAPI = 0) from Mobile
5. Send RR UA (TCH, SAPI = 0) to Mobile
6. Send SCCP CONNECTION REQUEST + MM CM SERVICE REQUEST (SS7) to MSC_VLR
7. Receive BSSMAP CIPHER MODE COMMAND from MSC_VLR
8. Take action "Expect ciphered data from the mobile"
9. Send RR CIPHERING MODE COMMAND (mode = CLEAR) to Mobile
10. Receive RR CIPHERING MODE COMPLETE (mode = CIPHERED) from Mobile
11. Take action "Enable ciphering of data transmitted to the mobile"
12. Send BSSMAP CIPHER MODE COMPLETE to MSC_VLR
13. Receive BSSMAP ASSIGNMENT REQUEST (Voice circuit) from MSC_VLR
14. Send RR CHANNEL MODE MODIFY to Mobile
15. Receive RR CHANNEL MODE MODIFY ACKNOWLEDGE from Mobile
16. Send BSSMAP ASSIGNMENT COMPLETE to MSC_VLR
17. Receive BSSMAP CLEAR COMMAND from MSC_VLR
18. Send RR CHANNEL RELEASE to Mobile
19. Send BSSMAP CLEAR COMPLETE to MSC_VLR
20. Receive RR DISC from Mobile
21. Send RR UA to Mobile
22. Free resource "TCH"

MSC_VLR Actions

1. Receive SCCP CONNECTION REQUEST + MM CM SERVICE REQUEST (SS7) from BSS
2. Take action "Check subscriber authentication"
3. Send BSSMAP CIPHER MODE COMMAND to BSS
4. Receive BSSMAP CIPHER MODE COMPLETE from BSS
5. Receive CC SETUP (Dialed Digits) from Mobile
6. Send CC CALL PROCEEDING to Mobile
7. Allocate resource "Voice circuit towards BSS"
8. Send BSSMAP ASSIGNMENT REQUEST (Voice circuit) to BSS
9. Receive BSSMAP ASSIGNMENT COMPLETE from BSS
10. Send ISUP INITIAL ADDRESS MESSAGE (SS7, Dialed Digits) to PSTN
11. Receive ISUP ADDRESS COMPLETE MESSAGE (SS7) from PSTN
12. Send CC ALERTING to Mobile
13. Receive ISUP ANSWER (SS7) from PSTN
14. Send CC CONNECT to Mobile
15. Receive CC CONNECT ACKNOWLEDGE from Mobile
16. Receive CC DISCONNECT from Mobile
17. Send ISUP RELEASE (SS7) to PSTN
18. Take action "Disconnect Voice Path"
19. Free resource "Voice circuit towards BSS"
20. Send CC RELEASE to Mobile
21. Send ISUP RELEASED (SS7) to PSTN
22. Receive ISUP RELEASE COMPLETE (SS7) from PSTN
23. Receive CC RELEASE COMPLETE from Mobile
24. Send BSSMAP CLEAR COMMAND to BSS
25. Receive BSSMAP CLEAR COMPLETE from BSS

PSTN Actions

1. Receive ISUP INITIAL ADDRESS MESSAGE (SS7, Dialed Digits) from MSC_VLR
2. Send ISUP ADDRESS COMPLETE MESSAGE (SS7) to MSC_VLR
3. Send ISUP ANSWER (SS7) to MSC_VLR
4. Receive ISUP RELEASE (SS7) from MSC_VLR
5. Receive ISUP RELEASED (SS7) from MSC_VLR
6. Send ISUP RELEASE COMPLETE (SS7) to MSC_VLR

Mobile Terminated Call

Legs Taken:

• GSM Mobile Terminated Call
• Initiate Authentication Procedure
• Land line subscriber initiates call release

User Actions

1. Receive Connecting... from Mobile
2. Receive Alerting Tone from Mobile
3. Receive Connected from Mobile
4. User and env_r participate in bidirectional message Speech exchange
5. env_r and User participate in bidirectional message Speech exchange
6. Receive Call Released Indication from Mobile

Mobile Actions

1. Receive RR PAGING REQUEST TYPE 1 from BSS
2. Send RR CHANNEL REQUEST (RACH) to BSS
3. Receive RR IMMEDIATE ASSIGNMENT (AGCH, Radio_Resource = (TCH, Frequency, Timeslot), Time Correction, Frequency Correction) from BSS
4. Take action "Apply the time and frequency corrections"
5. Take action "Tune to the frequency and timeslot"
6. Receive RR SABM + RR PAGING RESPONSE (TCH, SAPI = 0) from BSS
7. Receive RR UA (TCH, SAPI = 0) from BSS
8. Receive MM AUTHENTICATION REQUEST (RAND) from MSC_VLR
9. Send MM AUTHENTICATION RESPONSE (SRES) to MSC_VLR
10. Receive RR CIPHERING MODE COMMAND (mode = CLEAR) from BSS
11. Take action "Enable ciphering for received and transmitted data"
12. Send RR CIPHERING MODE COMPLETE (mode = CIPHERED) to BSS
13. Send CC SETUP (Dialed Digits) to MSC_VLR
14. Receive CC CALL PROCEEDING from MSC_VLR
15. Send Connecting... to User
16. Receive RR CHANNEL MODE MODIFY from BSS
17. Send RR CHANNEL MODE MODIFY ACKNOWLEDGE to BSS
18. Receive CC ALERTING from MSC_VLR
19. Send Alerting Tone to User
20. Receive CC CONNECT from MSC_VLR
21. Send CC CONNECT ACKNOWLEDGE to MSC_VLR
22. Send Connected to User
23. Send CC RELEASE to MSC_VLR
24. Receive CC RELEASE COMPLETE from MSC_VLR
25. Receive RR CHANNEL RELEASE from BSS
26. Send RR DISC to BSS
27. Receive RR UA from BSS
28. Send Call Released Indication to User

BSS Actions

1. Receive BSSMAP PAGING from MSC_VLR
2. Send RR PAGING REQUEST TYPE 1 to Mobile
3. Receive RR CHANNEL REQUEST (RACH) from Mobile
4. Allocate resource "TCH"
5. Send RR IMMEDIATE ASSIGNMENT (AGCH, Radio_Resource = (TCH, Frequency, Timeslot), Time Correction, Frequency Correction) to Mobile
6. Send RR SABM + RR PAGING RESPONSE (TCH, SAPI = 0) to Mobile
7. Send RR UA (TCH, SAPI = 0) to Mobile
8. Send SCCP CONNECTION REQUEST + MM CM SERVICE REQUEST (SS7) to MSC_VLR
9. Receive BSSMAP CIPHER MODE COMMAND from MSC_VLR
10. Take action "Expect ciphered data from the mobile"
11. Send RR CIPHERING MODE COMMAND (mode = CLEAR) to Mobile
12. Receive RR CIPHERING MODE COMPLETE (mode = CIPHERED) from Mobile
13. Take action "Enable ciphering of data transmitted to the mobile"
14. Send BSSMAP CIPHER MODE COMPLETE to MSC_VLR
15. Receive BSSMAP ASSIGNMENT REQUEST (Voice circuit) from MSC_VLR
16. Send RR CHANNEL MODE MODIFY to Mobile
17. Receive RR CHANNEL MODE MODIFY ACKNOWLEDGE from Mobile
18. Send BSSMAP ASSIGNMENT COMPLETE to MSC_VLR
19. Receive BSSMAP CLEAR COMMAND from MSC_VLR
20. Send RR CHANNEL RELEASE to Mobile
21. Send BSSMAP CLEAR COMPLETE to MSC_VLR
22. Receive RR DISC from Mobile
23. Send RR UA to Mobile
24. Free resource "TCH"

MSC_VLR Actions

1. Send BSSMAP PAGING to BSS
2. Receive SCCP CONNECTION REQUEST + MM CM SERVICE REQUEST (SS7) from BSS
3. Take action "Obtain the tuple of (RAND, SRES, Kc)"
4. Send MM AUTHENTICATION REQUEST (RAND) to Mobile
5. Receive MM AUTHENTICATION RESPONSE (SRES) from Mobile
6. Send BSSMAP CIPHER MODE COMMAND to BSS
7. Receive BSSMAP CIPHER MODE COMPLETE from BSS
8. Receive CC SETUP (Dialed Digits) from Mobile
9. Send CC CALL PROCEEDING to Mobile
10. Allocate resource "Voice circuit towards BSS"
11. Send BSSMAP ASSIGNMENT REQUEST (Voice circuit) to BSS
12. Receive BSSMAP ASSIGNMENT COMPLETE from BSS
13. Send ISUP INITIAL ADDRESS MESSAGE (SS7, Dialed Digits) to PSTN
14. Receive ISUP ADDRESS COMPLETE MESSAGE (SS7) from PSTN
15. Send CC ALERTING to Mobile
16. Receive ISUP ANSWER (SS7) from PSTN
17. Send CC CONNECT to Mobile
18. Receive CC CONNECT ACKNOWLEDGE from Mobile
19. Receive ISUP RELEASE from PSTN
20. Send CC DISCONNECT to PSTN
21. Take action "Disconnect Voice Path"
22. Free resource "Voice circuit towards BSS"
23. Receive ISUP RELEASED from PSTN
24. Receive CC RELEASE from Mobile
25. Send ISUP RELEASE COMPLETE to PSTN
26. Send CC RELEASE COMPLETE to Mobile
27. Send BSSMAP CLEAR COMMAND to BSS
28. Receive BSSMAP CLEAR COMPLETE from BSS

PSTN Actions

1. Receive ISUP INITIAL ADDRESS MESSAGE (SS7, Dialed Digits) from MSC_VLR
2. Send ISUP ADDRESS COMPLETE MESSAGE (SS7) to MSC_VLR
3. Send ISUP ANSWER (SS7) to MSC_VLR
4. Send ISUP RELEASE to MSC_VLR
5. Receive CC DISCONNECT from MSC_VLR
6. Send ISUP RELEASED to MSC_VLR
7. Receive ISUP RELEASE COMPLETE from MSC_VLR