Improving Asterisk's DNS support

7 msg	Asterisk 1.4.4 VoiceMail ODBC Storage Help

Improving Asterisk's DNS support
\ Kristian Kielhofner (30 Apr 2007)
. \ Remco Post (30 Apr 2007)
. \ Per Jessen (1 May 2007)
. . \ Kai-Uwe Jensen (1 May 2007)
. . \ Kristian Kielhofner (2 May 2007)
. . . \ Brian Capouch (2 May 2007)
. . . . \ Joseph (2 May 2007)
. \ Per Jessen (2 May 2007)
. . \ Darrick Hartman (2 May 2007)

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Subject:	Improving Asterisk's DNS support
Group:	Asterisk-users
From:	Kristian Kielhofner
Date:	30 Apr 2007

Hello everyone,

After several years of using Asterisk I have always been frustrated
by the support for DNS. I have seen all kinds of strange behavior
when Asterisk is used on a system with "iffy" DNS servers:

- no failover to other DNS servers in /etc/resolv.conf (might be a C
library thing)
- chan_sip will sometimes mark even local SIP peers as unreachable
during/after any DNS problems - why?
- dnsmgr doesn't support SIP (yikes!): http://bugs.digium.com/view.php?id=9153
- other randomness (please contribute your own experiences)

What can we do about improving this situation? At the very least we
need to extend DNS manager support to SIP. I'm willing to pay for
this and any other Asterisk DNS improvements. Any other ideas?

--
Kristian Kielhofner
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