[SIPForum-discussion] How is SIP billed ?

[Yevgen Krapiva]

Thanks.

But anyway, where to get information on how to bill ? Some practice
advices, examples, even may be RFC ?


2009/4/23, Manish Aggarwal <maaggarwal at gmail.com>:
>  Thats correct !!
>
> While there are well defined means to bill the "SIP trunk" calls, the SIP
> extension to extension calls cannot be billed with that much accuracy.
> May be thats the reason companies like Vonage, Viatalk, Sunrocket (already
> bankrupt)  etc, (which use SIP), take an annual charge, and not on a per
> call
> basis.
>
> -Manish
>
>
>
>
> On Wed, Apr 22, 2009 at 2:25 AM, Yevgen Krapiva <ykrapiva at gmail.com> wrote:
>
>> Hi.
>>
>> Can you say me what methods are used to bill SIP phone calls ?
>> As I understand, to bill SIP you must ensure that all SIP signalling
>> passes some Proxy or B2BUA. This is impossible as I can always call
>> another caller directly, passing by proxy.
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>