[SIPForum-discussion] query regarding prack

Thu May 1 06:31:41 UTC 2008

  Hi mj
  I am repeting my lines once agin 
 So you are telling that If A  is sending an Invite request , with supporrted=100rel. & without require=100rel. If B gives 183 reponse with Required =100 rel , Without Rseq header field , A ill send PRACK

On Wed, 30 Apr 2008 mjhorse wrote :
>Hi  william
>  I mean if A just "support" not "require", then it depends on B whether needs PRACK or not(with "require" if needs or without if doesnt need), but if A "require" it, B must return with "require" as well and the peers communicate with PRACK.
>  Is it clarified if I've put like these above?
>
>
>  ------------------
>   by mj
>
>
>
>  ------------------ Original ------------------
>   From:  "mwilliam prusty"<callwilliam90653 at rediffmail.com>;
>  Date:  Wed, Apr 30, 2008 06:13 PM
>  To:  "mjhorse"<mjhorse at qq.com>;
>  Cc:  "kumar saroj nayak"<saroj_nayak.kumar at alcatel-lucent.com>; "sipforum"<discussion at sipforum.org>;
>  Subject:  Re: Re: [SIPForum-discussion] query regarding prack
>
>
>
>
>Hi mj
>
>So you are telling that If A  is sending an Invite request , with supporrted=100rel. & without require=100rel . In thta case 183 reponse given by the B will not contain Rseq header field. plz clarify
>
>On Wed, 30 Apr 2008 mjhorse wrote :
> >Hi
> >  In addition, INVITE can also contain "Require: 100rel" which means Rseq must be set in responses.
> >
> >
> >  ------------------
> >  by mj
> >
> >
> >
> >  ------------------ Original ------------------
> >  From:  "KUMAR SAROJ NAYAK"<Saroj_Nayak.Kumar at alcatel-lucent.com>;
> >  Date:  Wed, Apr 30, 2008 03:04 PM
> >  To:  "mwilliam prusty"<callwilliam90653 at rediffmail.com>; "srinivas.banda"<srinivas.banda at wipro.com>;
> >  Cc:  "discussion"<discussion at sipforum.org>;
> >  Subject:  Re: [SIPForum-discussion] query regarding prack
> >
> >
> >  hi william
> >  plz go through the two state ment ......n i think definitely u wil get ur ans................
> >
> >
> >
> >
> >
> >
> >Thanks & regards,
> >
> >Saroj Kumar Nayak || IMS APPLICATION|| Alcatel-Lucent
> >
> >Alcatel Devlopment INDIA, Block A&B ,Plot no 25
> >
> >Sector 18 ,Electronic City ,GURGOAN 122015
> >
> >Office:  0112 44654000  | Extn: 4821
> >
> >Email: saroj_nayak.kumar at alcatel-lucent.com
> >www.alcatel-lucent.com
> >
> >
> >
> >  From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of mwilliam prusty
> >Sent: Wednesday, April 30, 2008 12:13 PM
> >To: srinivas.banda at wipro.com
> >Cc: discussion at sipforum.org
> >Subject: Re: [SIPForum-discussion] query regarding prack
> >
> >
> >
> >
> >
> >I am not very sure. about this. Have you read this any where. ?
> >
> >On Wed, 30 Apr 2008 srinivas.banda at wipro.com wrote :
> > >as per my knowledge if supported = 100 rel is not present in the initial
> > >INVITE  and even if u received 183 with Rseq, A won't send PRACK.
> > >correct me if i m wrong.
> > >
> > >Regards
> > >Srinivas
> > >
> > >________________________________
> > >
> > > From: mwilliam prusty [mailto:callwilliam90653 at rediffmail.com]
> > >Sent: Wednesday, April 30, 2008 12:03 PM
> > >To: Srinivas Banda (WT01 - TES-Enterprise Networks)
> > >Cc: discussion at sipforum.org
> > >Subject: Re: RE: [SIPForum-discussion] query regarding prack
> > >
> > >
> > >
> > >  Hi srinivas
> > >
> > >      A will decide to send PRACK ,If it rcvs Rseq header filed ,in a
> > >1xx response(except 100 trying). In this case A is getting that. SO why
> > >A will not send PRACK??/
> > >
> > >
> > >On Wed, 30 Apr 2008 srinivas.banda at wipro.com wrote :
> > > >UA A won't send Prack to the far end.
> > > >eventhough UA A supports 100 rel but it is not inserting supported=100
> > > >rel header it won't send prack.
> > > >
> > > >Regards
> > > >Srinivas
> > > >
> > > >________________________________
> > > >
> > > > From: discussion-bounces at sipforum.org
> > > >[mailto:discussion-bounces at sipforum.org] On Behalf Of mwilliam prusty
> > > >Sent: Wednesday, April 30, 2008 10:34 AM
> > > >To: discussion at sipforum.org
> > > >Subject: [SIPForum-discussion] query regarding prack
> > > >
> > > >
> > > >
> > > >
> > > >Hi Can any one tell me Suppose there are two UA they are  A & B.
> > > >
> > > >A is sending a Invite request to B , without supported=100rel header
> > > >field.( But A is supporting it) . B is sending 183 response with Rseq
> > > >header filed. In this case after A rcvs 183, Whether A will send a
> > > >Prack.?
> > > >
> > > >regs
> > > >
> > > >William
> > > >
> > > >
> > > >
> > > >Amity
> > > ><http://adworks.rediff.com/cgi-bin/AdWorks/click.cgi/www.rediff.com/sig
> > >n
> > > >ature-home.htm/1050715198 at Middle5/2070949_2063564/2071038/1?PARTNER=3&O
> > >A
> > > >S_QUERY=null>
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