Hello,

DNS SRV is not really working: when I stop the Asterisk proces on my production server, then the SIP phone is not registering to my backup SIP server.

I have the following DNS records :

sip2.domain.tld.    A    YY.YY.YY.YY
sip.domain.tld.    A    XX.XX.XX.XX

_SIP._udp.sip2.domain.tld.    SRV    YY.YY.YY.YY.
_SIP._udp.sip.domain.tld.    SRV    XX.XX.XX.XX.


_udp.sip2.domain.tld has a priority of 25
_udp.sip.domain.tld has a priority of 5


Jonas.



On 10/18/2010 02:03 PM, Gareth Blades wrote:
Yes if you set the production server to a higher priority then the
backup then the RFC states that the client should periodically check and
switch back to the primary server is it becomes reachable.


Jonas Kellens wrote:
    Hello,

I know YeaLink for example supports this...


Can you tell me for sure that when the production Asterisk server
becomes reachable again, the registration will go back to the production
server ??


Jonas.



On 10/18/2010 01:11 PM, Gareth Blades wrote:
Yes that is the way it is supposed to work. You do have to rely on the
sip devices you are using fully supporting SRV records though.
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