----- "Randy R" <randulo2...@gmail.com> wrote: > On Fri, Feb 5, 2010 at 8:41 AM, Olle E. Johansson <o...@edvina.net> > wrote: > >>> What I have seen on my asterisk box when I had a up/down adsl line > was > >>> that the asterisk box couldn't do dns resolution and would hang( > well no > >>> other internal calls could be made, seemed like some sort of > semaphore > >>> was stuck) when the adsl came up and dns could be done, > everything > >>> worked fine again > > Confirmed and experienced years ago in a release far, far away. > > > Yes, that is the case. Asterisk doesn't have asynchronus DNS > support, so in order to work when the link is down, you need a local > resolver, like a caching BIND server, on the same host. The calls to > DNS resolvers in Asterisk is synchronus, so Asterisk will wait for the > response to arrive. > > IIRC, at the time I had this problem, asterisk did not answer analog > phone lines either so as a company we had no phones and had to revert > to regular telephones plugged into the wall. Even if Internet is > working, if the configured DNS is down, you're still sunk. This > sorely > needs to be fixed IMO. > > /r
Why not run a internal DNS with forwarders to your ISP ? That way Asterisk can still resolve itself and hosts internally. -- Thanks, Phil -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
