Re: ZA phone number allocations

On Fri, Dec 7, 2012 at 5:48 PM, Gregory Massel <[email protected]> wrote:

>
> On 07-Dec-2012 8:20 AM, Joe Botha wrote:
>
>> Should Vodacom not be filtering this creativity?
>>
>>
> Some complications arise when calls are transited through many operators.
> E.g. If the call got to Vodacom via Telkom, VC would have to raise a query
> with Telkom who, in turn, would have to trace the call to see which
> operator they received it from. Things get messy if there are three or four
> or ten operators in between and even messier if some of those operators are
> foreign.
>

Least cost routing and VOIP does tend to add more to the links to the
chain. ;-)


> It's not always practical just to filter pro-actively; such an approach
> can cause a large number of false positives and, in doing so, create
> liability. Creating an exception report and then dealing with it
> retrospectively does seem to be the more sensible approach.
>

Yes it does rather. It just takes one of those afore mentioned links in the
chain to mess up the caller ID part and then a whole bunch of calls would
get dropped which would have far greater implications.

A very unfortunate side effect of dropping call and SMS costs is that the
level of SPAM that plagues email is likely to be matched...


Regards,

Liam

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