SIP scanners
ianobi:
No. The failed calls do not get logged. In effect they do not get into your Obi, so nothing is recorded. You know it's working because you sleep better :)
lacibaci:
Ok, something weird happened. I disabled SP2 and OBiTALK and I haven't gotten single rogue ring. Go figure...
ianobi:
It would be interesting to look in Call History to see exactly where the rogue calls were coming from. You have to access the OBi directly to see Call History. Dial ***1 to get the ip address. It will show the last 200 calls.
lacibaci:
It does show that all of them came through SP1. Is it possible that when SP2 and OBiTALK are enabled (even if not configured or used) opens OBi100 enough so that it is vulnerable to these scans?
ianobi:
Do the calls appear in your Callcentric log? I'm guessing probably not. I think the scanners are dialling random IP addresses and testing port 5060, which is default for most SIP devices and default for X_UserAgentPort on the OBi for sp1. You could change the X_UserAgentPort to 5070.
I cannot see any reason why enabling sp2 and OBiTALK should make any difference, but I'm not an expert with router type config settings.
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