06-14-2019 06:52 AM
I am using Cisco unified call manager 11.5 and I have a instance where one phone number is repeatedly trying to call another phone number in rapid succession. One of the numbers is a CTI group and the number being called is one that used to exist but was removed from the system quite some time ago
06-14-2019 07:50 AM
Look at the CUCM traces to find out the call flow and then find out who is dialing.
06-14-2019 07:52 AM
How do you run a trace? I did use the DNA but it didn't tell me much
06-14-2019 08:04 AM
Probably a stuck Redial softkey. Anyway, if you aren’t familiar with even pulling SDL traces through RTMT it’s unlikely that you will know how to read them. I suggest opening a TAC case for assistance here.
06-17-2019 07:43 AM
I am trying to open a call with TAC, but if anyone has any instructions on how to run a SDL trace I think I could learn how to do it
06-17-2019 12:04 PM
06-26-2019 09:24 AM
I found this vulnerability listed on my firewall "sip invite method request flood attempt" which I will block with the firewall but I am not sure how it is getting the internal numbers to call out. Any ideas?
06-26-2019 11:02 AM
06-26-2019 12:08 PM
I am knew to phones how can I tell what CTI port? Check what application to make sure what is initiating calls. The first one instance looked liked it was calling from a registered phone to another registered phone, but the called phone, the second time was from an external unregistered phone to an internal registered phone. It looks like some kind of Dos attack.
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