[Serusers] DNS failover

[Andrei Pelinescu-Onciul]

On Nov 05, 2008 at 17:20, Nuno Ribeiro <nribeiro82 at gmail.com> wrote:
> Hi all,
> 
> I have a scenario where I was testing DNS failover and this feature seems to
> fail. I will try to explain the scenario:
> I'm trying to establish a call between two user Agents, where one of the
> users has services associated (trigger to ASs) to the session establishment
> signaling (INVITE). So when SER makes the DNS query receives 2 ip addresses
> for this AS. The sip message will be correctly forwarded to one of this two
> entries and if in case of failure it will try to send the message to the
> next entry (second ip address). But when we are triggering to the AS we will
> add a route header and this header is not created in the second case, i.e.
> after DNS failover as the SIP INVITE will be created based in the SIP
> message received  and not in the SIP message sent in the first place.
> So anyone has any thoughts about this question and a solution to it?

Yes, try ser 2.1 :-)
(it's fixed  in there, see the reparse_on_dns_failover parameter).

Andrei