Enterprise VoIP Planet: VoIPowering Your Office with Asterisk: Getting SIP through Firewalls, Pt 2

[ Thanks to Carla Schroder for this link. ]

"Last week we looked at some ways to get standalone SIP clients past iptables NAT firewalls. Here's the executive summary: Every VoIP service has different requirements, so be sure to find the documentation for your particular service. But what about your Asterisk server? You have SIP clients that need attention too.

"First let's look at something that's a little easier: using IAX trunks. IAX is a more NAT-friendly protocol because it only needs a single port..."

Complete Story

Related Stories:

• VoIP Planet: VoIPowering Your Office with Asterisk: SOHO VoIP, Part 7(Aug 31, 2006)
• VoIP Planet: VoIPowering Your Office with Asterisk: Getting Free Long Distance, Part 2(Jun 07, 2006)
• Enterprise VoIPPlanet: VoIPowering your Office with Asterisk--Building a Test Lab, Part 3(Apr 18, 2006)
• NewsForge: Finding Voice Codecs for Free Software(Oct 17, 2005)