Cisco Systems ATA 186 manual Figure C-1 Cisco ATA-to-Cisco ATA Through VocalData Call Agent

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

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

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)

C-2 OL-4803-01