Read H.323 Annex O
download from
http://www.packetizer.com/voip/h323/standards.html
For GNUGK the records would be
Registration
_h323rs._udp IN SRV 0 0 1719 gk.mysite.com.
Location
_h323ls._udp IN SRV 0 0 1719 gk.mysite.com.
Call Signal
_h323cs._tcp IN SRV 0 0 1721 gk.mysite.com.
It depends what service you want to use your gatekeepers with.
So for registration information on multiple GnuGK's
_h323rs._udp IN SRV 0 2 1719 gk1.mysite.com. //
Highest priority
_h323rs._udp IN SRV 0 1 1719 gk2.mysite.com.
You should only use this FOR redundancy reasons. If you want to do load
sharing etc then you should use the alternate gatekeeper settings in GNUIGK.
For Call Signalling
_h323cs._tcp IN SRV 0 2 1721 gk1.mysite.com.
_h323cs._tcp IN SRV 0 1 1721 gk2.mysite.com.
Unregistered callers would call me@xxxxxxxxxx and the first attempt would
go to gk1 and then gk2
GNUGK does not support these types of services however it was recently
added to OpenH323 so future version may support it..
PacPhone http://www.pacphone.com currently only supports
_h323cs._tcp, the next version will support _h323rs._udp as well.
Simon
At 02:42 PM 17/03/2006, you wrote:
Hi
can anybody please tell me how to use SRV records in conjuction with
GNUGK discovery. I mean I want to mount N numebr of GKs @ same level.
Now I have added SRV records in my DNS server as:
_h323._tcp.mydomain.com IN SRV x y myServer1.mydomain.com
_h323._tcp.mydomain.com IN SRV x y myServer2.mydomain.com
where x and y are weight and priority of the hosts myServer1 and myServer2.
My assumption is that DNS server on the fly would return the GNUGK's
host address according to priority and weight specified.
Now I dont know how to access my GKs using SRV records. I want to
access them from gateways, dialers or other GKs. I have tried
accessing it with
_h323._tcp.mydomain.com
but no use.
Any hint or suggestion would be highly appreciated
Regards
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