Hi Neeraj, Thank you very much for your response.
I see that you are considering proxies but what if you are a UA and you don't get any response back? Contact:<sip:[EMAIL PROTECTED]:5060;user=phone>;q=0.5,<sip:[EMAIL PROTECTED]:5060;user=phone>;q=0.25 What if you had sent you INVITE directly to 192.168.0.4 and 192.168.0.4 didn't respond at all? Regards, Attila >> -----Original Message----- >> From: Neeraj Jain [mailto:[EMAIL PROTECTED] >> Sent: 16 June 2006 11:25 >> To: Attila Sipos; [email protected] >> Subject: RE: [Sip-implementors] 302 and sequential search >> >> >> Typically a proxy would wait for arbitrary time duration and >> if no final >> response is received, it will send CANCEL. Ideally UAS >> should immediately >> send final response to INVITE after receiving CANCEL. In >> case it does not, >> the client transaction would eventually timeout (equivalent >> to receiving >> 408) and proxy can proceed with next contact. >> >> Regards, >> >> Neeraj >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf >> Of Attila Sipos >> Sent: Friday, June 16, 2006 3:31 PM >> To: [email protected] >> Subject: [Sip-implementors] 302 and sequential search >> >> >> Hello all, >> >> In RFC3261 it says: >> >> Sequential Search: In a sequential search, a proxy >> server attempts >> each contact address in sequence, proceeding to the next one >> only after the previous has generated a final >> response. A 2xx >> or 6xx class final response always terminates a sequential >> search. >> >> >> Note that "only after the previous has generated a final response". >> >> So what if, in a 302 response, you received a contact like this >> Contact:<sip:[EMAIL PROTECTED]:5060;user=phone>;q=0.5,<sip:[EMAIL PROTECTED] 2.168.0.5:5060; >> user=phone>;q=0.25 >> >> So what should you do if the first contact (at 192.168.0.4) gives no >> response at all? >> >> >> Regards, >> >> Attila >> >> >> Attila Sipos >> http://www.vegastream.com >> >> >> _______________________________________________ >> Sip-implementors mailing list >> [email protected] >> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors >> >> _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
