[asterisk-users] Proxying from one server to another

[Gavin Henry]

Why not use OpenSIPS or Kamailio in stateful mode?

You will need to look at how media is handled though, but a SIP proxy
will work easily.

On 13/05/2009, Adrian Marsh <Adrian.Marsh at ubiquisys.com> wrote:
> Hi David,
>
>
>
> Thanks for the reply. That's pretty much what I've already tried, but
> with no luck on the production machines.  In testing it worked, but the
> public IPs and single NICs were causing issues (we believe)
>
> So I was looking for a proxy-type solution.
>
>
>
> Adrian
>
>
>
> ________________________________
>
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of David
> Gibbons
> Sent: 13 May 2009 15:37
> To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Subject: Re: [asterisk-users] Proxying from one server to another
>
>
>
> Redirect traffic with iptables like this:
>
>
>
> Host ~# iptables -t nat -I PREROUTING -d OLD_PUBLIC_IP -j DNAT --to
> NEW_PUBLIC_IP
>
>
>
> I'm not sure if this will work for SIP. You may need the proxy to change
> info in the sip messages between server and client.
>
>
>
> --Dave
>
>
>
>
>
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Adrian
> Marsh
> Sent: Wednesday, May 13, 2009 8:55 AM
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] Proxying from one server to another
>
>
>
> Hi All,
>
>
>
> I'm trying to find a software package to do the following sip proxy
> work:
>
>
>
> I've an A*k server A that needs to be decommissioned, from the USA, and
> replaced by server B, in the UK. Both servers are on public internet
> IPs.
>
> Whilst the client migration happens, I want to divert all the Register
> traffic from Server A to Server B to catch any clients still left out
> there.
>
>
>
> Unfortunately, the original Clients were configured with static IPs
> instead of DNS names for the SIP Registrar, so I have to proxy Server A
> until all the clients have been updated (which might be a long time).
>
>
>
> Obviously A*k itself wont do this (as far as I know).  I've looked at
> siproxyd and party-sip, but with no success so far.
>
> I've also tried using IPtables to redirect at the IP level, but the
> public IP ranges seem to stop me from achieving this. It works in my
> local-lan testing, but not on the public servers.
>
>
>
> Any ideas?
>
>
>
> Thanks,
>
>
>
> Adrian
>
>

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