Hi Praveen,
That may be because your authorization credentials may not be satisfying the
server requirement.
Try sending the authorization credentials you are getting in 401. You can
do that by adding the following line in your second REGISTER message you
will be sending after receiving 401.
[authentication Digest]
Also, I am not sure if you are saying firewall as NAT or something else with
some access list.
But NAT has nothing to do with SIP unless it is an application level
gateway(ALG) also. Normally if you have a simple NAT in between your IMS
and SIPp, and is not able to open a pin hole, you will not receive 401 also.
Also please check if your IMS is using any authentication server like Radius
or Diameter and it has configured with appropriate user name and password.
Thanks & Regards,
Shridhar.
On Mon, Jul 27, 2009 at 2:57 PM, Praveen Raj Swaminathan <
[email protected]> wrote:
> Hi,
>
>
>
> I am using SIPp and Open IMS, both are running in linux machine. SIPp
> client is not receiving 200 OK for registration message, keep on getting 401
> message, authorization info attached in REGISTER message. I hope some
> firewall will be running in SIPp machine. May I know how to disable it for
> SIPp specific.
>
>
>
>
>
> Thanks in advance.
>
>
>
> Pravswam
>
>
>
>
>
>
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