[Serusers] HELP: how to get correct call duration??

[Charles Wang]

really? it is an interesting result. i think i will do the same
testing follow your steps,
thank you very much, Mohammad.

On 4/28/05, Mohammad Khan <info at beeplove.com> wrote:
> 
> Yes, I also did a ngrep capture and took a close look.
> But what is the sip_method here? (when it send 200 OK)
> How do you capture it to acc?
> 
> I did another experiment.
> I called from  UA1 to UA2 . and let UA2 rang for half minute.
> And then UA2 picked the call and after couple of seconds disconnect the
> call.
> After this I found the time difference between INVITE 200 and ACK 200 is
> not half minutes.
> Strange thing is, they both have same time and same timestamp. And BYE
> have time that tells call duration was only few seconds
> 
> 
> Thanks,
> Mohammad
> 
> Charles Wang wrote:
> 
> >Mohammad:
> >
> >I trace the packet with ethereal and find ser will send "INVITE" to callee.
> >The "100 Trying" and "180 ringing" will be send from callee to ser if
> >callee receives "INVITE".
> >And the callee will respone a "200 OK" after callee hangup. I think
> >this "200 OK"
> >is the callee hangup at this moment.
> >
> >On 4/28/05, Mohammad Khan <info at beeplove.com> wrote:
> >
> >
> >>Yes, the duration of call should be just the way you said.
> >>But I am not aware about any UA can send msg back to other UA right
> >>after pick up the call.
> >>
> >>I just use the following query to get successfull calls
> >>select sip_callid from acc where sip_status=200 group by sip_callid
> >>having count(*) = 3;
> >>
> >>If you know the way to get exact call duration, please share with me.
> >>I know, the way I am doing it is couple of seconds more than the actual
> >>duraion.
> >>
> >>Thanks,
> >>Mohammad
> >>
> >>
> >>Charles Wang wrote:
> >>
> >>
> >>
> >>>Hi,
> >>>
> >>>I think that the ACK after INVITE is only the callee(UAC) receives my
> >>>INVITE and ready to start RINGING. But this time is not the really
> >>>Call Start.
> >>>Generally, the start time of call should be callee hangup the phone
> >>>after ringing.
> >>>Do you have any idea about it?
> >>>
> >>>On 4/28/05, info at beeplove.com <info at beeplove.com> wrote:
> >>>
> >>>
> >>>
> >>>
> >>>>Actually, to get call duration, you need to use ACK and BYE (both should
> >>>>have status 200).
> >>>>INVITE sends an request to other party to initiate a call.
> >>>>Other party send ACK with status 200 to receive the call.
> >>>>
> >>>>Original Message:
> >>>>-----------------
> >>>>From: Charles Wang lazy.charles at gmail.com
> >>>>Date: Thu, 28 Apr 2005 02:49:42 +0800
> >>>>To: serusers at lists.iptel.org
> >>>>Subject: [Serusers] HELP: how to get correct call duration??
> >>>>
> >>>>
> >>>>Hi, ALL:
> >>>>
> >>>>I know ser can insert INVITE & BYE records to acc table.
> >>>>Maybe the timestamp of BYE record is correct but the timestamp
> >>>>of INVITE is not equal to the call start(after the callee answered).
> >>>>Is there any method to generate a record with timestamp when the callee
> >>>>answer?
> >>>>I think that it should be the callee responses "200 OK" after "100 Trying".
> >>>>How to do it???
> >>>>
> >>>>--
> >>>>
> >>>>Best Regards
> >>>>Charles
> >>>>
> >>>>_______________________________________________
> >>>>Serusers mailing list
> >>>>serusers at lists.iptel.org
> >>>>http://lists.iptel.org/mailman/listinfo/serusers
> >>>>
> >>>>--------------------------------------------------------------------
> >>>>mail2web - Check your email from the web at
> >>>>http://mail2web.com/ .
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >
> >
> >
> >
> 
> 


-- 

Best Regards
Charles