The UAS at User B should send out a "182 Queued" response, with the reason phrase giving further details about the status of the call.
Regards Ajit "Feldman, Michael" wrote: > I do not think user B should give a busy Here error if he has call > waiting... > > I would think you should send a 180 ringing while the call waiting tone is > heard by user B... > > (I could be incorrect though) > > -mike > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, July 10, 2002 10:01 AM > To: [EMAIL PROTECTED] > Subject: [Sip-implementors] a problem about service > > Hello sir, > > Can you tell me how to form a Call Wait service by using SIP ? > Call Wait service is : > > User A calls User B , while User B is talking with User C , User B > should be given a sigal that tells him what is happening . User B can do : > 1) > go on his talk with User C , do nothing with User A ; or 2) hold User C , > and talk with User A ; or 3) stop talking with User C and talk with User A. > > +----------+ +----------+ Media Session +---------+ > | User A | | User B | <--------------> | User C | > +----------+ +----------+ +---------+ > | INVITE | | > | ----------------------> | | > | | | > | 486 Busy Here | | > | <--------------------- | | > | | > | | > | What should User A do | > | ------------------------> | > | to give User B a signal ?| > | | > | | > > Thank you very much ! > > A college > student > _______________________________________________ > Sip-implementors mailing list > [EMAIL PROTECTED] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ > Sip-implementors mailing list > [EMAIL PROTECTED] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors ********************************************************* Disclaimer This message (including any attachments) contains confidential information intended for a specific individual and purpose, and is protected by law. If you are not the intended recipient, you should delete this message and are hereby notified that any disclosure, copying, or distribution of this message, or the taking of any action based on it, is strictly prohibited. ********************************************************* Visit us at http://www.mahindrabt.com _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
