Transparent SIP communication with NAT

Number, Please

Conclusions

Correct mapping of the internal IP addresses to external IP addresses is essential to enabling unhindered VoIP communication through NAT gateways and firewalls. STUN, TURN, and ICE not only ensure a transparent transition via NAT gateways but also improve the security of the SIP environment as a whole.

Buy this article as PDF

Express-Checkout as PDF
Price $2.95
(incl. VAT)

Buy ADMIN Magazine

SINGLE ISSUES
 
SUBSCRIPTIONS
 
TABLET & SMARTPHONE APPS
Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content

  • Supporting WebRTC in the enterprise
    WebRTC has the potential to bring high-quality, easily developed, and interoperable real-time voice, video, and data communication to all manner of applications in web browsers.
  • Spanning Tree Protocol
    Ethernet is so popular because it simply works and is inexpensive. However, the administration side looks a bit more complicated: For the network to run smoothly, the admin might need to make important decisions about the Spanning Tree protocol.
  • Understanding Layer 2 switch port security
    What happens when an intruder with a laptop parks at an empty cubicle and attaches to your local network? If you don't want to find out, it might be time to think about implementing some switch port security.
  • Software-defined networking in OpenStack with the Neutron module
    In classical network settings, software-defined networking (SDN) is a nice add-on, but in clouds, virtual networks are an essential part of the environment. OpenStack integrates SDN technology through the Neutron module.
  • Troubleshooting and analyzing VoIP networks
    A special VoIP analyzer lets you control the available bandwidth and quality of voice transmission by monitoring relevant network parameters.
comments powered by Disqus