5 feb 2010 kl. 09.28 skrev --[ UxBoD ]--: > ----- "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. > See above: >> you need a local >> resolver, like a caching BIND server, on the same host.
/O :-) -- _____________________________________________________________________ -- 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