Hi Pranab, you can also refer http://tools.ietf.org/rfc/rfc3665.txt
for call flows under following section: 3.8. Unsuccessful No Answer . . . . . . . . . . . . . . . . . 67 3.9. Unsuccessful Busy. . . . . . . . . . . . . . . . . . . . 75 3.10. Unsuccessful No Response from User Agent . . . . . . . . 80 Regards, Sumit Jindal On Tue, May 22, 2012 at 11:49 AM, Raphael Tryster < raphael.trys...@teledata-networks.com> wrote: > Pranab, > > I changed the subject because these postings are supposed to help not > only the person who asks, but also others who scan the archives years > later. Therefore, the subject line should be useful for searching. > > RFC 3261 13.3.1.3 suggests errors 486 or 488, depending on what you mean > by "did not receive the call". Another possibility is that A's UAC may > time out while B is still ringing, and send CANCEL. > > Raphael > > > -----Original Message----- > From: sip-implementors-boun...@lists.cs.columbia.edu > [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of > pranab sahoo > Sent: Tuesday, 22 May 2012 7:49 AM > To: sip-implementors > Subject: [Sip-implementors] Need Help > > Hi all, > > suppose A calls B.B's phone start ringing,B did not recieve the > call.Finally B's phone stops ringing after some time.So what will be > the error response will go from B to A? > > Thanks in advance. > > pranab > Brazil > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > NOTICE: This email and any files transmitted with it are Teledata-Networks > confidential and intended solely for the use of the individual or entity to > whom they are addressed. If you have received this email in error please > notify the sender. This message contains Teledata-Networks confidential > information and is intended only for the individual named. If you are not > the named addressee you should not disseminate, distribute or copy this > e-mail. Please notify the sender immediately by e-mail if you have received > this e-mail by mistake and delete this e-mail from your system. If you are > not the intended recipient you are notified that disclosing, copying, > distributing or taking any action in reliance on the contents of this > information is strictly prohibited. > > > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > -- Regards, Sumit Jindal _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
