Re: [Sip-implementors] Question about answer with "held SDP"

2009-05-04 Thread nabam serbang
I hope UA1 is UAC and UA3 is UAS. "5. UA3 sends INVITE back to UA2 immediately, this time with an updated SDP." Why should UAS send INVITE to UAC? Either offer or answer will be send to UAC in response to INVITE that was originated by UAC. Did you meant something else? Nabam __

Re: [Sip-implementors] billing in sip

2009-04-29 Thread nabam serbang
Thanks everyone for valuable inputs. It seems that someway or other, billing depends on BYE request at the end of call to determine the call duration. How shall we determine call duration in following case: A--INV--->B <---200k--- -

Re: [Sip-implementors] billing in sip

2009-04-27 Thread nabam serbang
PM Subject: Re: [Sip-implementors] billing in sip 2009/4/27 nabam serbang : > Hi, > Could some one tell me how billing is done is SIP? Any call flow example > would highly be appreciated. SIP is not "designed" for billing. Also billing is too much complex and wide to try to explain it

[Sip-implementors] billing in sip

2009-04-26 Thread nabam serbang
Hi, Could some one tell me how billing is done is SIP? Any call flow example would highly be appreciated. Thank you Regards ~Nabam ___ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucsli

[Sip-implementors] What is psrrposn

2009-04-11 Thread nabam serbang
Hi Could any one tell me what is "psrrposn" means in SIP. Thanks in advance Regards ~Nabam ___ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors

[Sip-implementors] Offer in 2xx of INVITE

2008-12-10 Thread Nabam Serbang
tely means terminating the session? If you are sure to terminate the session soon, why to send answer in ACK? Shouldn't UAS consider that ACK has never been received and UAS send BYE rather than UAC? I know the questions are multifolds rather twisted a lot, please try to anwer my queries. --