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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
27. Routing Update Protocol (RTP) Media stream is now enabled on
Cisco ATA 2—Call Agent to Cisco ATA 2
mdcx 57724 aaln/1@[192.168.3.33] MGCP 1.0
C: 26962
I: 0
X: 29642
R: L/hu(N),L/hf(N),D/[0-9*#](N)
S:
D: x
N: 192.168.3.76:2427
L: p:20, a:PCMU, t:00
M: sendrecv
v=0
c=IN IP4 192.168.2.45
m=audio 10000 RTP/AVP 0
28. OK—Cisco ATA 2 to Call Agent
200 57724 OK
29. Ringback stops on Cisco ATA 1—Call Agent to Cisco ATA 1
rqnt 57725 aaln/1@[192.168.2.45] MGCP 1.0
K: 57714
X: 29643
R: L/hu(N),L/hf(N),D/[0-9*#](N)
S:
D: x
30. OK—Cisco ATA 1 to Call Agent
200 57725 OK
31. RTP Media stream is now enabled on Cisco ATA 1. Both
Cisco ATA 1 and Cisco ATA 2 can communicate with each
other—Call Agent to Cisco ATA 1
mdcx 57726 aaln/1@[192.168.2.45] MGCP 1.0
C: 26962
I: 0
X: 29644
R: L/hu(N),L/hf(N),D/[0-9*#](N)
S:
D: x
N: 192.168.3.76:2427
L: p:20, a:PCMU, t:00
M: sendrecv
v=0
c=IN IP4 192.168.3.33
m=audio 10000 RTP/AVP 0
32. OK—Cisco ATA1 to Call Agent
200 57726 OK
33. Cisco ATA 1 hangs Up—Cisco ATA 1 to Call Agent
NTFY 21 aaln/1@[192.168.2.45] MGCP 1.0
N: 192.168.3.76:2427
X: 29644
O: L/hu
K: 20
34. OK—Call Agent to Cisco ATA 1
200 21 OK
35. Cisco ATA 1 Connection is deleted—Call Agent to Cisco ATA 1
dlcx 57735 aaln/1@[192.168.2.45] MGCP 1.0
K: 57725-57726
C: 26962
I: 0
X: 29651
S:
N: 192.168.3.76:2427
36. OK—Cisco ATA 1 to Call Agent
200 57735 OK
37. Call Agent requests Cisco ATA 2 to report off-hook event—Call
Agent to Cisco ATA2
rqnt 57736 aaln/1@[192.168.2.45] MGCP 1.0
X: 29652
R: L/hd(N)
N: 192.168.3.76:2427
Step Action Log