Since our upgrade from 5x to 7x we're experecing a delay of 40-50 seconds for calls to connect. We have a VCS, VCSE, MCU AND ISDN GW. We're running C20s and MOVI.
I’ve attached two images the first image shows a call placed from my MOVI application to IP address 126.96.36.199. At 8:31.41 the search has completed and the call is placed into the nontraversal queue? Then at 8:32.30 (some 50 seconds later) the call is then routed into the traversal queue and passed to the VCSE. In image VCSE the call is picked up at 8:32.30 and completes 6 seconds later.
Somethings happening on my VCS that's taking 50 seconds to pass to the VCSe
Prior to 7x all direct IP calls went through straight away.
Setting it to 'Indirect' on the VCS-C should do the trick, assuming that the IP address in question is in fact unknown to the VCS (Meaning it does not belong to a locally registered endpoint) and that you have an AnyIPAddress search rule targeting the traversal zone towards your VCS-E.
A diagnostics log (Network log level = DEBUG) of a test call such as this would probably be helpful, although you shouldn't post such a log on this public forum
Sorry for the misunderstanding. I've disabled the SIP UDP on both the VCS-C and VCS-E. The strange thing is that URI lookups dial out straight away however IP lookups take the 50 seconds..
I've also noticed that if I call an IP address and wait the 50 seconds for the call to go through - if I cancel the call on either my MOVI client or the remote system and the try and dial the remote system straight away the call goes straight through without delay.
If I leave the client for a few moments it goes back to the 50 seconds again...
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