It only happens occasionally but it generates an alarm saying all keycoded SIP Trunks in use. This appears to be due to flooding by hackers directly trying to access the BCM on the SIP trunks. I've seen this on other systems, but generally there is a setting that makes it so that only the account registered on the system can actually call into the phone system and are not able to call the phone system directly by the IP address. Is there such a provision or setting on the BCM or is there a work around to not being bombarded by hackers preventing your legitimate calls from getting through?
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