Many providers ofcer this... if yours do not, find a new sip provider.
On Sep 19, 2012 2:05 PM, "Matej Mailing" <mailing at tam.si>
wrote:
> Hi,
>
> we have a failover redundancy with two ISPs and an outside SIP Trunk
> provider for the telephony. Since network failures of our primary ISP
> line happen sometimes I would be interested into a solution where we
> could use both IPs to connect to our telephony provider. I was talking
> to them and they said they need to have our IP entered into their
> system and that it must be only one IP. Therefore when there is a
> failure on our primary ISP, I can call them and they change the IP to
> our secondary IP - but this takes time and our phones don't work in
> the meantime.
>
> Could this be done automatically and if, how? We have two static IPs.
>
> Thanks a lot.
> Matej
>
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