This is expected behavior, it is how SIP authentication works.
On Monday, November 04, 2013 02:58:41 PM Owais ul Haq wrote:
> Hello,
>
> I am using kamailio server. Problem is when my soft phone
> tries to connect to Kamailio server, it connects in second attempt.
> First it gets a sip reply saying "Status : 401 Unauthorized (0
> bindings)". I checked this using Wire Shark. Can some one please help me
> in finding the reason for this error message found all the time.
> Thanks
>
> Best Regards
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