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

[Mohammad Khan]

You are welcome.
Also let me know, if you find anything new.

Thanks,
Mohammad


Charles Wang wrote:

>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
>>>>>>
>>>>>>_______________________________________________
>>>>>>            
>>>>>>