I had a quickset Sx80 had been natted over public Internet to serve private purposes.
but after I did NAT this device, always had an unnumber ID phone display "cisco" call in to my device, I picked up but it interrupt immediately.
I have been this "cisco" call-in at least 60 times per days.
device's log I've attached.
please help, if anyone saw it before.
This is a well known issue which has been raised in the Telepresence forum a number of times, take a look at https://supportforums.cisco.com/discussion/12336591/sourceh323idcisco-incomingcalls and https://supportforums.cisco.com/discussion/12340591/nuisance-h323-calls-sx20. Also see http://www.videonationsltd.co.uk/2014/11/h-323-cisco-spam-calls/
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