[Spce-user] Interoperability problem with audiocodes cpe devices

[Vladimir Grujic]

I have changed the iaddress to private network (existing interface) but now
subscribers can not login . LB trying to relay request to
127.0.0.1:5062and proxy is listening on private address


Vladimir


On Tue, Jun 19, 2012 at 12:21 PM, Andrew Pogrebennyk <
apogrebennyk at sipwise.com> wrote:

> On 06/19/2012 11:57 AM, Andrew Pogrebennyk wrote:
> > Vladimir,
> >
> > we've had a problem like this before when mp202 was replacing 127.0.0.1
> > address in Record-Route headers (added by spce internal components) with
> > its own IP address. Could you run 'ngrep-sip b' and send us the trace to
> > know if that is the case? You can send it to me privately to not
> > disclose any IP addresses.
>
> A follow-up from discussion in private: this is indeed a known bug in
> Audiocodes.  SPCE is routing calls via a SIP loadbalancer, a SIP proxy
> and an SBC internally, and we have two record routes via 127.0.0.1 which
> are wrongly rewritten by the MP252 to its public IP address. An ACK
> message then can't reach the UAS. In case somebody wonders there is
> workaround to setup dummy network interface and change iaddress to that.
>
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