[Kamailio-Users] [OpenSIPS-Users] Dimensioning a telephony system based on openser!

[Alex Balashov]

Nuno Marques wrote:

> Hi everyone again,
> 
>   To make a point on this subject, and try to resume all that was said:
> 
>   1º If i need a real VoIP system were billing is made by second (as it 
> is in all the mobile providers) i need to have full control of the media 
> - then it's necessary to implement mediaproxy (or other media relay) to 
> accomplish accurate billing and get all the call information;
> 
>    2º If the system doesn't need to have the accurate billing system, 
> and doesn't matter if the call duration is 1 minute or 1,5 minute - for 
> example a service that is paid monthly independently of the calls made 
> by the user - i don't need to use mediaproxy in all calls, only in the 
> NATed ones;

No, that's false.

Once again, you do not need to proxy media in order to do accurate call 
accounting with a 1 second granularity.

--
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Mobile : (+1) (706) 338-8599