[SIPForum-discussion] UAS Processing of the INVITE request

Radhashyam Behera radhashyambehera at gmail.com
Tue Aug 14 10:18:38 UTC 2007

Hi Vijay,

Please refer rfc 3261, section 12.2.2 UAS Behavior, for ur all queries..

With Regards,

On 8/12/07, Vijay T <vijaycec at yahoo.co.in> wrote:
> Dear All
>           This is vijay...i have a doubt reg INVITE req processing...
> During the handling of INVITE request(UAS core) RFC3261 states that in the
> section
> 13.3 UAS Processing
> 13.3.1 Processing of the INVITE
>   3."If the request has a tag in the To header field but the dialog
>      identifier does not match any of the existing dialogs, the UAS
>      may have crashed and restarted"
> My Qns:
> 1.Here the request itself fill the tag of the To header field.How???
> 2.In crashed & restarted  case why not UAS generated corresponding error
> response for that???
> and another separate query is
> please tell me about "mid-dialog" request and when it'' happen???
> i'm little bit confused abt this request....
> Thanks in Advance
> Vijay
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