Hi Yaw-Ming Chen,
the CSTA event is called "FailedEvent". Below is what it looks like in wireshark:
INFO sip:4922429236541060_0014F29CD919@10.10.2.2:5070;transport=tcp SIP/2.0
Via: SIP/2.0/TCP 10.40.0.13:5062;branch=z9hG4bK4549143D
From: <sip:4922429236541060@10.40.0.13>;tag=71F16E78-4F0
To: CME_SDK <sip:4922429236541060_0014F29CD919@csta-sdk>;tag=ds786d583b
Date: Fri, 06 Jan 2012 07:20:27 GMT
Call-ID: 132583442483823@10.10.2.2
User-Agent: Cisco-SIPGateway/IOS-12.x
Max-Forwards: 70
Timestamp: 1325834471
CSeq: 102 INFO
Contact: <sip:4922429236541060@10.40.0.13:5062;transport=tcp>
Content-Type: application/csta+xml
Content-Disposition: signal;handling=required
Content-Length: 700
<?xml version="1.0" encoding="UTF-8"?>
<FailedEvent xmlns="http://www.ecma-international.org/standards/ecma-323/csta/ed3">
<monitorCrossRefID>00000867</monitorCrossRefID>
<failedConnection>
<callID>D7450D5A-376D11E1-8B73D83D-527A71D5</callID>
<deviceID>tel:1062</deviceID></failedConnection>
<failingDevice>
<deviceIdentifier>tel:1062</deviceIdentifier></failingDevice>
<callingDevice>
<deviceIdentifier>tel:4922429236541060;device=0014F29CD919</deviceIdentifier></callingDevice>
<calledDevice>
<deviceIdentifier>tel:1062</deviceIdentifier></calledDevice>
<lastRedirectionDevice>
<notRequired/></lastRedirectionDevice>
<localConnectionInfo>fail</localConnectionInfo>
<cause>busy</cause>
</FailedEvent>
The debugs you requested are attached.
Here are my test parameters:
CUCME IP: 10.40.0.13
CUCME SIP port: 1062
CSTA client IP: 10.10.2.2
CSTA client SIP port: 5070
Calling number: 4922429236541060
Calling device name: 0014F29CD919
Called number: 1062 (busy)
Please let me know if you need more info.
Thanks,
Konstantin