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

[Jai Rangi]

"SIP-only accounting is "good enough" most of the time."
Does not work in production environment. Specially when you are charging per
second or per minute.
Works only if some one is offering unmetered only service or just doing it
for fun. If it metered service like calling cards, termination or metered
DID etc, then this can be really bad.
My 2 cents.

-Jai
"Buy unmetered SIP DID
www.didforsale.com"


On Wed, Oct 29, 2008 at 3:56 PM, Alex Balashov <abalashov at evaristesys.com>wrote:

> Yes.  There are some liabilities with that in that the signaling
> messages may be incomplete (i.e. you may miss a BYE) and this is the
> usual reason given for doing media proxying for more accurate accounting.
>
> But the latency, bandwidth consumption, and increased complexity and
> cost associated with doing it on a large scale does not justify it, in
> my opinion.  SIP-only accounting is "good enough" most of the time.
>
> Nuno Marques wrote:
>
> >
> > Without mediaproxy? Only based on SIP messages?
> >
> >
> >
> > 2008/10/29 Alex Balashov <abalashov at evaristesys.com
> > <mailto:abalashov at evaristesys.com>>
> >
> >     Nuno Marques wrote:
> >
> >          Every calls should pass through mediaproxy so that i can
> >         account them.
> >
> >
> >     You can do accounting without handling media.
> >
> >     --
> >     Alex Balashov
> >     Evariste Systems
> >     Web    : http://www.evaristesys.com/
> >     Tel    : (+1) (678) 954-0670
> >     Direct : (+1) (678) 954-0671
> >     Mobile : (+1) (706) 338-8599
> >
> >
>
>
> --
> Alex Balashov
> Evariste Systems
> Web    : http://www.evaristesys.com/
> Tel    : (+1) (678) 954-0670
> Direct : (+1) (678) 954-0671
> Mobile : (+1) (706) 338-8599
>
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