[SR-Users] Kamailio strange behaviour

Gholamreza Sabery gr.sabery at gmail.com
Fri Feb 5 12:27:43 CET 2016

All of my clients are behind NAT! Unfortunately I can not put my captures
here. The strange thing here for me is that:
1- Desktop can always REGISTER with all of my usernames.
2- My android phones can REGISTER with some usernames! For example if I
have a 12 and a 17 username Android Linphone can REGISTER with 12 but not
with 17. Kamailio will always return a 401 error. This thing only happens
on Android Linphone.

I captured packets for both scenarios but nothing is strange about packets!
How is this even possible?!!

On Fri, Feb 5, 2016 at 1:25 PM, Daniel-Constantin Mierla <miconda at gmail.com>

> Hello,
> received and rport are added when the client is behind NAT. Can you paste
> here the capture for the case that doesn't work? It will help us to see
> what is wrong there, and if not, could be that the mobile operator does
> some SIP ALG which breaks/blocks the sip, in this case you have to switch
> to tls.
> Cheers,
> Daniel
> On 05/02/16 07:35, Gholamreza Sabery wrote:
> I am using Kamailio 4.1.x with NAT enabled. When I want to REGISTER using
> my desktop client which is Linphone everything is find with any username.
> But on Android some users can REGISTER and someusers can not. I captured
> SIP packets and the only difference between packets on Android devices and
> packets on Desktop client is that on my desktop "received" and "rport" are
> not added by Kamailio in response messages. Any idea on what is happening
> here?
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> --
> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Book: SIP Routing With Kamailio - http://www.asipto.comhttp://miconda.eu
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