[Users] Multi Call Legs Accounting

Daniel-Constantin Mierla daniel at voice-system.ro
Sun Jan 14 19:10:20 CET 2007


Hello,

are you proxying the media stream all the time now? Or just when the one 
of the party is behind the nat? I have in mynd the sceanrio when the 
initial callee is behind nat, it sends back redirect, and the new 
destination is public...

Cheers,
Daniel


On 01/12/07 14:36, Howard Tang wrote:
> Hi Daniel,
>
> Thank you very much, the problem fixed.
>
> Regards,
> Howard
>
> On 1/11/07, Daniel-Constantin Mierla <daniel at voice-system.ro> wrote:
>> Hello,
>>
>> as i see in your failure route you close mediaproxy nat handling -- try
>> to keep it on. ALso, the contacts in redirect message might be natted
>> even when initial destination wasn't -- you have to deal with this case
>> as well (start nat handling).
>>
>> Cheers,
>> Daniel
>>
>>
>> On 01/09/07 14:23, Howard Tang wrote:
>> > Hi Daniel,
>> >
>> > by using the following code in the failure_route block, i am able to
>> > have a better accounting record for billing. However, i am having one
>> > way audio problem which i believe it is related to NAT. I have tested
>> > forward a call on a UA which is on public ip, which works prefectly.
>> > However, when i tested it with UA which is behind NAT, one way audio
>> > happen when the UA send 302 reply to forward a call..
>> >
>> > failure_route[1]
>> > {
>> >       end_media_session();
>> >       # Handle 302 Redirects
>> >       if (t_check_status("302")) {
>> >               get_redirects("*");
>> >               t_relay();
>> >       };
>> > }
>> >
>> > Anyone has an idea on how i can fix this?
>> >
>> > Regards,
>> > Howard
>> >
>> >
>> > On 1/9/07, Daniel-Constantin Mierla <daniel at voice-system.ro> wrote:
>> >> Hello,
>> >>
>> >> when the call A -> B is forwarded to C, then you need to have in your
>> >> script:
>> >>
>> >> avp_write("A", "$avp(i:110)");
>> >> avp_write("B", "$avp(i:111)");
>> >> avp_write("B", "$avp(i:110)");
>> >> avp_write("C", "$avp(i:111)");
>> >>
>> >> A, B, C are the SIP addresses of the parties involved in this call.
>> >>
>> >> Cheers,
>> >> Daniel
>> >>
>> >> On 01/08/07 23:14, Howard Tang wrote:
>> >> > Hi,
>> >> >
>> >> > Did anyone successfully setup call accounting for call forward? 
>> I have
>> >> > been searching for a working example for few days on google, I 
>> still
>> >> > couldn't find any working example.
>> >> >
>> >> > The config I have at the moment is
>> >> >
>> >> > modparam("acc", "multi_leg_enabled", 1)
>> >> > modparam("acc", "src_leg_avp_id", 110)
>> >> > modparam("acc", "dst_leg_avp_id", 111)
>> >> >
>> >> > In the main route,
>> >> >        if (!method=="REGISTER" && !method=="NOTIFY") {
>> >> >                avp_write("$from/username", "$avp(i:110)");
>> >> >                avp_write("$ruri/username", "$avp(i:111)");
>> >> >        };
>> >> >
>> >> > Let say A call B and B forward call to C, the record in the acc 
>> table
>> >> > is all
>> >> > A to C without B in any one of the record for billing purpose. The
>> >> > Call forward was set on the UA.
>> >> >
>> >> > Can anyone give me a hand on this please?
>> >> >
>> >>
>> >
>>
>




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