[OpenSIPS-Users] How to get call duration ( AcctSessionTime ) in OPENSIPS

[Bogdan-Andrei Iancu]

Hi Tao,

the accounting in opensips is transaction based and not call base - 
which means opensips will generate (for each call) a START and STOP acc 
events (when the call starts and when the call ends).

There is no variable to automatically provide the call duration (as 
there is no call state) - each acc event has its own timestamp, so the 
RADIUS server can calculate the duration based on the INVITE and BYE 
timestamps.

Regards,
Bogdan

Tao Vu Hoang wrote:
> Hi All!
>
>      I configure Opensips send Accounting to Steel Belt Radius 4, but i
> can't get call duration time ( AcctSessionTime ) , i don't know variable
> of opensips container call duration time to definition in file :
> opensips.cfg like this :
>              modparam("acc", "aaa_extra",       "User-Name=$Au; \
>                                         Calling-Station-Id=$from; \
>                                         Called-Station-Id=$to; \
>                                         Sip-Translated-Request-URI=$ru; \
>                                         Sip-RPid=$avp(s:rpid); \
>                                         Source-IP=$avp(s:source_ip); \
>                                         Source-Port=$avp(s:source_port); \
>                                         SIP-Proxy-IP=$avp(s:sip_proxy_ip); \
>                                         Canonical-URI=$avp(s:can_uri); \
>
> Billing-Party=$avp(s:billing_party); \
>
> Divert-Reason=$avp(s:divert_reason); \
>                                         User-Agent=$hdr(user-agent); \
>                                         Contact=$hdr(contact); \
>                                         Event=$hdr(event); \
>                                         ENUM-TLD=$avp(s:enum_tld)")
>
>     I use Opensips 1.6.3 to use function :
> get_dialog_info("start_time","$avp(s:starttime)","callid","$ci");
> to get Startime&  Stoptime of one Call from table DIALOG in database
> OPENIPS  but don't success, maybe i don't know how to use it.
>      I also use module : EXEC to get  Starttime&  Stoptime  from
> external cammand but don't success.
> Can someone help me ?  Or recommend me how to get  call duaration
> (AcctSessionTime).
> Thanks a lot.
>
>
>
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>   


-- 
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
20 - 24 September 2010, Frankfurt, Germany
www.voice-system.ro