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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)
OL-4803-01
Appendix C MGCP Call Flows
Figure C-1 Cisco ATA-to-Cisco ATA Through VocalData Call Agent
ATA 1 VocalData Call Agent ATA 2
1. Cisco ATA 1 goes off-hook
2. OK
3. An inactive connection is created on Cisco ATA 1
4. OK
5. Cisco ATA 1 gets dial tone
6. OK
7. Cisco ATA 1 dials ‘1’
8. OK
9. Dial tone stops playing on Cisco ATA 1
10. OK
11. Cisco ATA 1 dials ‘0’
12. OK
13. Cisco ATA 1 dials ‘2’
14. OK
15. Cisco ATA 1 dials ‘6’
16. OK
17. Cisco ATA 2 phone rings and displays Cisco ATA 1 ID on CID device
17. Cisco ATA 2 phone rings and displays Cisco ATA 1 ID on CID device
18. OK
19. Cisco ATA 1 gets ringback tone and sialed number and name displayed on CID
19. Cisco ATA 1 gets ringback tone and sialed number and name displayed on CID
device
20. OK
21. Cisco ATA 2 goes off-hook
22. OK
23. An inactive connection is created on Cisco ATA 2
24. OK
25. Ringing Stops on Cisco ATA 2
26. OK
27. RTP Media stream is now enabled on Cisco ATA 2
28. OK
29. Ringback stops on Cisco ATA 1
30. OK
31. RTP Media stream is now enabled on ATA 1. Both Cisco ATA 1 and Cisco ATA 2
31. RTP Media stream is now enabled on ATA 1. Both Cisco ATA 1 and Cisco ATA 2
can communicate with eachother.
32. OK
33. Cisco ATA 1 Hangs Up
34. OK
35. Cisco ATA 1 Connection is deleted
36. OK
37. Call agent requests Cisco ATA 1 to report off-hook event
38. OK
39. Cisco ATA 2 Connection mode changes to receive-only
40. OK
41. Cisco ATA 2 Hangs up
42. OK
43. ATA 2 Connection is deleted
44. OK
45. Call agent requests ATA 2 to report off-hook event
46. OK
1. Cisco ATA 1 goes off-hook
2. OK
3. An inactive connection is created on Cisco ATA 1
4. OK
5. Cisco ATA 1 gets dial tone
6. OK
7. Cisco ATA 1 dials ‘1’
8. OK
9. Dial tone stops playing on Cisco ATA 1
10. OK
11. Cisco ATA 1 dials ‘0’
12. OK
13. Cisco ATA 1 dials ‘2’
14. OK
15. Cisco ATA 1 dials ‘6’
16. OK
17. Cisco ATA 2 phone rings and displays Cisco ATA 1 ID on CID device
18. OK
19. Cisco ATA 1 gets ringback tone and sialed number and name displayed on CID device
20. OK
21. Cisco ATA 2 goes off-hook
22. OK
23. An inactive connection is created on Cisco ATA 2
24. OK
25. Ringing Stops on Cisco ATA 2
26. OK
27. RTP Media stream is now enabled on Cisco ATA 2
28. OK
29. Ringback stops on Cisco ATA 1
30. OK
31. RTP Media stream is now enabled on ATA 1. Both Cisco ATA 1 and Cisco ATA 2 can communicate with eachother.
32. OK
33. Cisco ATA 1 Hangs Up
34. OK
35. Cisco ATA 1 Connection is deleted
36. OK
37. Call agent requests Cisco ATA 1 to report off-hook event
38. OK
39. Cisco ATA 2 Connection mode changes to receive-only
40. OK
41. Cisco ATA 2 Hangs up
42. OK
43. ATA 2 Connection is deleted
44. OK
45. Call agent requests ATA 2 to report off-hook event
46. OK