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Nerd Uno Dishes Out Advice on SIP Security

Ward Mundy over at Nerd Vittles has a great post today about SIP security. It’s entitled The Incredible PBX: Adding Remotes, Preserving Security. If you run an Asterisk based PBX you should probably read this. Now!

Ward’s advice really rings true (sorry for the telecom geek pun, it couldn’t be helped!)  His “Baker’s Dozen SIP Security Checklist” makes perfect sense. That doesn’t mean that I can’t add my own two cents.

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Nerd Vittles Guide to ISN

Over at Nerd Vittles that Asterisk Guru Ward Mundy has posted a great how-to implementing ISN lookups with his popular PBX-In-A-Flash Asterisk distributions. It's a great overview of ISN and ITADs, including Freenum.org. ISNs are a novel approach to bridging…

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