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 ...
The SIP protocol is commonly used for IP telephone communications. Unfortunately it’s notorious for having issues with NAT traversal. Even some major vendors can’t seem to get it right. [Stephen] had ...
The Third Generation Partnership Project (3GPP), which is responsible for the standardization of the third-generation mobile networks, has designated the session initiation protocol (SIP) as the call ...
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