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Rob Beard wrote: > Gordon Henderson wrote: >> >> You can do direct SIP to SIP calls without using the PSTN - but like >> Skype, the other end needs something compatible. (And NAT is going to >> stop it working anyway) > > So I guess if you have ADSL then you'd need a router which could do > bridging or something along those lines so the Asterisk box is > potentially getting the internet IP address? Or an ISP that will provide you with a routed netblock over your ADSL line, allowing you to have a router on the ADSL line and behind it a DMZ for your asterisk box (and perhaps other stuff too) and a firewall doing NAT and protecting the main office network. James -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html