On 04/15/2014 06:52 PM, Kai-Uwe Jensen wrote:
Oops, had it wrong. Here's how it works for me:
[callcentric-template](!)
type=friend
context=from-callcentric
fromdomain=callcentric.com <http://callcentric.com>
defaultuser=1777xxxxxxx
fromuser=1777xxxxxxx
secret=password
insecure=port,invite
dtmfmode=rfc2833
disallowed_methods=UPDATE
session-timers=refuse
videosupport=no
qualify=no
disallow=all
allow=ulaw
[alpha11](callcentric-template)
host=alpha11.callcentric.com <http://alpha11.callcentric.com>
[alpha12](callcentric-template)
host=alpha12.callcentric.com <http://alpha12.callcentric.com>
[...]
On Tue, Apr 15, 2014 at 4:29 PM, Kai-Uwe Jensen <kujen...@gmail.com
<mailto:kujen...@gmail.com>> wrote:
So do I need 7 contexts, one for each ip address?
sean
Yes, if what you call a "context" is your peer definition in
sip.conf. CC routes calls through a varying number of SBCs, all
(also) resolving to callcentric.com <http://callcentric.com>, but
each having their own name, typically "alphaxy.callcenctric.com
<http://alphaxy.callcenctric.com>".
I think you can use asterisk's configuration template syntax to
create the required peer definitions. This would likely look similar
to this (from memory):
[alpha11]
host=alpha11.callcentric.com <http://alpha11.callcentric.com>
[alpha12]
host=alpha12.callcentric.com <http://alpha12.callcentric.com>
[callcentric](alpha11,alpha12)
type=peer
context=from-callcentric
defaultuser=1777<myccid>
secret=<mysecret>
fromuser=1777<myccid>
fromdomain=callcentric.com <http://callcentric.com>
insecure=port,invite
disallowed_methods=UPDATE
directmedia=no
videosupport=no
disallow=all
allow=ulaw
Add templates for all IPs that callcentric.com
<http://callcentric.com> returns. Note that this approach isn't
foolproof: if/when CC change their pool of SBCs, you may have to add
more hosts, or remove them from this config. And, as you say, I
believe the cause is that asterisk only uses the first returned IP
for a host name. (Interestingly, the DNS server authoritative for CC
also varies the order of IPs it returns. Guess that's their way
load-balancing.)
And again, the above is from memory. I can look it up later today
and will follow up if I goofed/misremembered.
Many thanks, That worked, I set up 20 contexts for
alpha[1-20].callcentric.com.
sean
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