In a topology such as shown below, you don't need an extra media relay
to enforce your billing - you have the gateway, which is already
terminating the media. Why aren't you doing the billing there?
Paul
Iñaki Baz Castillo wrote:
> 2009/4/29 Alex Balashov <[email protected]>:
>> What I meant before was that I have hacked Kamailio in the past to basically
>> do this UA functionality despite it being very much a UA and not proxy thing
>> to do. It originated and absorbed special re-INVITEs that were spoofed and
>> basically did dlg_bye() if no response. Nasty, I know.
>
> Be carefull with some easy attacks like this:
>
> Phone1 Proxy PGateway
>
> INVITE CSeq:1 -----> --------------->
> <------------------- <-------- 200 OK
> ACK CSeq:1 --------> --------------->
>
> <############ RTP ###########>
>
> BYE CSeq:1 --------> --------------->
> [ ACC DONE ]
> <------------------- <-- 400 Bad CSeq
>
> ( audio remains )
>
>
>
>> In the open source cottage industry world, what B2BUA do you recommend for
>> high-volume applications of this? Yate perhaps?
>
> Not experimented too much with B2BUA in high-traffic environments :(
>
>
>
_______________________________________________
Sip-implementors mailing list
[email protected]
https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
