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Hello! I have a weird issue that's confusing me and was hoping that someone might have an idea why. First off, my network is currently a melting pot of unmanaged switches (Mostly Netgear and 3Com) and a couple of managed switches that have the defa...
Hello everyone! I'm looking for some information about IP phone support on the SG300 and SG500 Small Business switches. I recently took a job for an automotive dealership group with about 200 employees at 6 different stores all located in the same ...
Ok, I have a weird problem that is kind of hard to fully explain. My first thought was some sort of wardialing, but I don't know. It seems as if it's using existing extensions as a starting point and is incrimenting the number from there. For exam...
Hello, I am still fairly new to the IP telephony world and I've got an issue that I'm not for sure how to proceede. I have a UC520 here at the office and we've been growing/expanding like wildfire over the last year. Now, it's my understanding that...
The weird thing is that all the ports already have the "protected port" checkbox unchecked. I put another one of the SG300-10PPs in place late yesterday evening at another one of our stores, but it's uplink went to one of the few managed switches on...
Thanks for the reply Davies! I had already checked for collisions and errors like you suggested and ound none. I DID find that the switch port on the SG300-10PP that is the uplink to the main switch in the closet was showing a "locked" status under...
Thanks Anthony! I'm reading up on the toll fraud prevention stuff right now. From what I'm reading, it appears that most of this can be resolved by a trusted IP list. I'm waiting on a call back from my ITSP so I can get the correct IP on their sid...
Thanks for your reply bernhardczapp! No, we're not doing any SIP at all and as far as I can tell other than the VWIC that connects to the ISP's router (which supplies our VoIP service only), the UC560 is not reachable from the internet. Do you know...
