To "prove" that ALG is off, target a host on a public IP with your SIP client, and run a packet capture there. In the "Contact: <sip:someuser@192.168.34.132>;expires=3600" line of the registration ...
For all the technology behind Voice over IP (VoIP), you'd expect that it would work on every network, but this unfortunately isn't the case. Network Address Translation (NAT) is a common practice used ...
Session Initiation Protocol, or SIP, has been hailed as the key to the convergence kingdom, the global signaling standard that will enable all switches, gateways and phones — hard and soft — to talk ...
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