[OpenSIPS-Users] B2BUA with challenge authentication

Ovidiu Sas osas at voipembedded.com
Mon Jun 4 17:17:21 CEST 2012

IIRC, the authentication mechanism works for the initial INVITE (if
credentials are properly configured), but not for in-dialog requests.

Ovidiu Sas

VoIP Embedded, Inc.

On Mon, Jun 4, 2012 at 7:32 AM, Arnold Vriezekolk NETZOZEKER B.V.
<a.vriezekolk at netzozeker.nl> wrote:
> Hi,
> I'm trying to play a soundfile before getting connected to an endpoint. The
> initial invite comes from our sip provider which uses challenge
> authentication.
> The soundfile is played correctly, but when the B2B tries to re-invite the
> sip
> provider the provider asks for authentication. This way the b2b fails and
> the
> call will be disconnected (or remains forever without actually being
> connected
> to anything).
> Is b2b able to do the challenge authentication against the sip provider? Or
> should i solve this in another way?
> Pcap of the call: http://vriezekolk.org/~tuxx/31-05-b2b-soundfile.pcap
> The number i'm calling from: 0575-568777
> The number i'm calling to: 085-7600049
> Back2Back opensips:
> Best Regards,
> Arnold Vriezekolk

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