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.

A new article on the Web site of Converge! Network Digest explores SIP's advantages in peer-to-peer VoIP. Jack Chang, chief operating officer of SIP-based global Internet telephony service TelTel, ...

Our firewall runs pfSense, which I know does not have SIP ALG enabled, as this is something that you have to download as an additional package if you want to use it. Our landlord's firewalls / routers ...

Lowell, MA, June 24, 2020 (GLOBE NEWSWIRE) -- NetNumber today announced comprehensive SIP security enhancements to its award-winning multi-protocol signaling firewall. This follows growing concerns ...

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.

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 ...

We didn’t just take a sip. We took a good long drink of SIP technology in this round of iLabs testing. We gathered more than 50 devices from five SIP server vendors and 13 SIP endpoint vendors to ...

Deployment of session initiation protocol (SIP) is way up. Companies have increased deployment by 58% from 20008 to 2009, growing from 12% to 19%. Why? Primarily, cost savings: SIP trunks are much ...

The question of session border controller (SBC) or firewall is one that many IT managers find annoying. Why? First and foremost, isn't the new era of communications supposed to be better, faster, ...