Palo Alto Networks

VoIP

NAT traversal for VoIP calls…how STUN helps.

Real-time voice and video communication on the Internet is main stream today with several popular instant messengers (IMs) supporting VoIP calls. A big hurdle in the initial adoption of VoIP was the fact that most PCs or other devices sit behind firewalls and use private IP addresses. Multiple private addresses (IP address and p...

Jul 22, 2010

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