Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-13 Thread Paul Kyzivat
Arunachala wrote: > Doesn't RFC3960 talk about this very thing? Yes. I knew that was out there, but didn't remember the number. Thanks, Paul > -Arun > > On Wed, May 12, 2010 at 1:14 PM, Paul Kyzivat wrote: >> Technically, SDP in any 18x only serves to indicate where media sho

Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread Arunachala
Doesn't RFC3960 talk about this very thing? -Arun On Wed, May 12, 2010 at 1:14 PM, Paul Kyzivat wrote: > Technically, SDP in any 18x only serves to indicate where media should > be *sent*, and has nothing to do with whether you should receive media, > play received media, etc. > > Nor does recei

Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread Paul Kyzivat
Technically, SDP in any 18x only serves to indicate where media should be *sent*, and has nothing to do with whether you should receive media, play received media, etc. Nor does receiving a 180 mean you should play local ringback. It merely says "the other end is being alerted". Nor does receiv

Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread Kanumuri, Sreeram
Nitin, >I checked the TO tag for both 18x and noticed that both are the same. >Do you think, that after sending 180 ringing(where local ringing should >generate), if my UAS is sending 183 without SDP will stop the local ringing? This is up to the implementation whether to play ringing (or) not.

Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread WORLEY, Dale R (Dale)
From: sip-implementors-boun...@lists.cs.columbia.edu [sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Nitin Kapoor [nitinkapo...@gmail.com] Now basically we sends initial invite to termination UA and after that we got 183 with SDP(which means

Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread Nitin Kapoor
Hi All, Thanks for the reply. Sreeram, I checked the TO tag for both 18x and noticed that both are the same. Here i would like to know one more thing.. Do you think, that after sending 180 ringing(where local ringing should generate), if my UAS is sending 183 without SDP will stop the local ri

Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread Kanumuri, Sreeram
>1) Is that the correct behavior that after getting 183 without SDP the >ringing get stopped, because 183 doesn't have the SDP which means it should >not generate the ring for destination country. 183 means "the call is being processed.." Ringing should not happen after 183. In General

Re: [Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread Uttam Sarkar
-Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Nitin Kapoor Sent: Wednesday, May 12, 2010 11:12 AM To: sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] 183 without SDP stops

[Sip-implementors] 183 without SDP stops the local ringing

2010-05-12 Thread Nitin Kapoor
Hi All, I have the issue with one of my call flow. Call flow is like that # “UAC <-SBC <-> Microsoft OCS <--> UAS” Now basically we sends initial invite to termination UA and after that we got 183 with SDP(which means the early media get started) on which it asked PRACK and