> In the second case you should send CANCEL.

...and be prepared to send a BYE if a 200 OK response for the INVITE
shows up (considering race conditions between the CANCEL and the 200 OK)

/ Christian Jansson, Hotsip

> 
> Regards,
> 
> Christer Holmberg
> Ericsson Finland
> 
> 
> 
> Gupta Adetya-A19368 wrote:
> 
> > Hello All,
> >
> >     In the following scenarios,
> > should we be sending BYE or CANCEL
> >
> > CASE 1
> >   A                                 B
> >   |                      |
> >   |     INVITE           |
> >   |-------------------------------->|
> >   |     INVITE           |
> >   |-------------------------------->|
> >   |     INVITE           |
> >   |-------------------------------->|
> >   |     INVITE           |
> >   |-------------------------------->|
> >    no response Times out
> >   |                                  |
> >   |     BYE                  |
> >   |----------->                     |
> >   |     CANCEL            |
> >   |----------->                     |
> >
> >     out of BYE & CANCEL, which one should be sent.
> >
> > CASE 2
> >   A                                 B
> >   |                          |
> >   |     INVITE               |
> >   |-------------------------------->|
> >   |     100                        |
> >   |<--------------------------------|
> >   |  no further response Times out
> >   |                                  |
> >   |     BYE              |
> >   |----------->                     |
> >   |     CANCEL   |
> >   |----------->                     |
> >
> >     out of BYE & CANCEL, which one should be sent.
> >
> > regards
> > Adetya
> > _______________________________________________
> > Sip-implementors mailing list [EMAIL PROTECTED]
> > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
> 
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