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Short answer without confirming in the lab is yes, when I send you my H245 address I expect you to start a TCP connection to me on that port so we can start H245.
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<div>-Ryan </div>
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<div>On Dec 1, 2014, at 5:12 PM, Daniel Pagan <<a href="mailto:dpagan@fidelus.com">dpagan@fidelus.com</a>> wrote:</div>
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<p class="MsoNormal">Folks:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hoping to get some insight on SDL process creation for H245…<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Scenario is three CUCM clusters communicating over ICTs. Call is routed from Cluster-1 to Cluster-2… then Cluster-2 to Cluster-3. Cluster-3 sends the H245 address & port info via H225 ALERTING to Cluster-2, which then sends its own to Cluster-1.
Issue is Cluster-1 never establishes the H245 session with Cluster-2. The H245 address and port is received on Cluster-1 but no H245 processes are being created for the MSD/TCS exchange. According to SDL traces on Cluster-2, the latest state of H245 on the
node *<b>sending</b>* the ALERTING message is “waitForTransportEstablishment”. On Cluster-1, the H245Interface process is never created according to SDL traces, so we never even reach the opportunity for TCS media caps exchange. MXTimeout occurs shortly after.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Question is… For a node receiving an H245 address & port info via H225 (the calling cluster…), is creation of the H245Interface and/or related H245 process dependent on CUCM *<b>first</b><b>*</b> establishing the new, 2<sup>nd</sup> TCP
socket with the remote H.323 endpoint that advertised the H.245 port. In other words, at an SDL level, is H245Interface created only after the 2<sup>nd</sup> TCP session is successfully established at the transport level for H245 TCP communication? Knowing
this would help me assess the likelihood of the issue being related to issues at the TCP level.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">- Dan<o:p></o:p></p>
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