So our phone system people are trying to setup a SIP trunk on our Mitel 3300 unit. I open up firewall ports and setup 1:1 NAT for the PBX's IP, everything looks like it should be OK. They are telling ...

A firewall for PBXs aimed at shutting off backdoor access into enterprise networks via corporate phone systems is to be launched by security vendor SecureLogix. A firewall for PBXs aimed at shutting ...

The latest version of Ingate Systems’ Firewall 1600 improves on the Firewall 1400, which we reviewed last year. The result is a SIP-aware VoIP firewall suitable for all but the largest enterprises.

The latest version of Ingate Systems” Firewall 1600 improves on the Firewall 1400, which we reviewed last year. The result is a SIP-aware VOIP firewall suitable for all but the largest enterprises.

We have Spectrum internet service and for some reason in our area we need to use their modem and router if we want a static IP. I did some research and his is a common problem in some areas. Our setup ...