I'm attempting to implement a UTM 220, and I'm experiencing an issue with my VoIP phone system. I'm using an EdgeMarc 4550 for routing and to control the phone system, with the UTM in between the EdgeMarc and the LAN switch. I've setup the UTM to provide DHCP, and I'm able to get a dial tone from the phones, but calls don't go through. Everything else (internet accessed from a PC) works like a champ.
I attempted to setup a DHCP relay, in order to allow DHCP to pass through the UTM from the EdgeMarc, but I get nothing. No internet, and no phones. Could someone please point me in the right direction? Networking is definitely not my forte...
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