Someone Is Attempting to Hack Into Your Windows (or Linux) Phone System Right Now
-Use secure SIP trunk passwords as well.
-Become familiar with a tool like sipvicious (links below)
-STAY ON MAINTENANCE for your PBX & keep it updated so you don't get taken down.
With phone system and communication solutions becoming easier and easier to implement and administrate the possbility that some business owner will install a phone system and have it in a very vulnerable state is highly possible. After a $500 SIP trunk bill for calls to Timbuktu or a phone system that is brought to crawl on your busiest day of the year because of DOS --security gets front top attention!
Is there anymore security measures you would add to this list? If so please comment below!