[SIPForum-discussion] SIP Response

Mark Holloway mh at markholloway.com
Thu Aug 4 18:50:40 UTC 2011

I think you're missing additional details.  If the UAS is completely down then the INVITE would timeout.  Otherwise, depending on what is actually "down" it could receive a SIP 408, SIP 503, it just depends. 

On Aug 3, 2011, at 2:45 AM, Shital Deore wrote:

> Hi,
> Can anyone explain me ;
>   If UA sends INVITE to server and the server itself is down, In that case will the UA get any response from the server?
> Regards,
>  Shital
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