Re: Why do pre-dials say Invalid Number for Engaged

Thus spaketh Lem:
>> Lem wrote:
>>>
>>> Why do predial services like 18866, 1899 and many others tell
>>> you that you have entered an Invalid Number when the
>>> destination number is in fact alright but it is engaged?
>>>
>>> Can be very misleading.
>
>
> On 31 Jan 2006, Nicky Ward <nicky.ward@xxxxxxxxx> wrote:
>>
>> This happens if a Service Provider has not fully implemented
>> handling of Connection Not Admitted reasons which are signalled
>> between the telephone exchanges involved in setting up a call.
>>
>> In the situation you describe, the terminating exchange will
>> have signalled that the Called Party Number is BUSY and will
>> have sent a Connection Not Admitted message to the originating
>> exchange which says so.  It's then up to the Service Provider as
>> to whether they bother/can tell the Calling Party.
>
>
>> Like previous posters, I find that 18866 does play an engaged
>> tone when the Called Party Number is BUSY.
>
> Now what  you say about getting an engaged tone from 18866 for BUSY
> is odd because I most definitely get told that I have entered an
> invalid number.
>
> I use a BT line but I do not dial '18866' but 0808 1707788 to access
> the 18866 service.  Could this be why I get a different outcome?
>
> Could the problem lie at my end?  In the local exchange or somewhere
> like that because even when I started using AXS/Tiscali's 1615
> service, a few years ago, I would get incorrect responses when the
> destination number was engaged.  In the case of 1615 (I dial 0800 954
> 1147) the whole call just gets terminated.
>
> I think OneTel's 1878 service (I dial 0800 957 3003) is the only one
> which seems to work properly for me.
>
> Do you or anyone else have any ideas what might be happening?
>
>
>> What naffs me off is
>> that it also does this when the Called Party Number isn't BUSY
>> but instead the 18866 platform has run out of ports.  Still, it
>> saves me a fortune, so I'm only naffed off a bit.


Aren't some calls dearer when you use the 0808 access number compared to the 
18866 number, certainly calls to 01 and 02 numbers are.



-- 
For £5 when referred to easyMobile contact me via 
www.southeastbirmingham.co.uk 


.

Relevant Pages

  • Re: Why do pre-dials say Invalid Number for Engaged
    ... >> you that you have entered an Invalid Number when the ... > exchange which says so. ... > to whether they bother/can tell the Calling Party. ... > tone when the Called Party Number is BUSY. ...
    (uk.telecom)
  • Re: Why do pre-dials say Invalid Number for Engaged
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  • Re: More incorrect messages from 1899/18866
    ... of Connection Not Admitted reasons which are signalled between the ... the terminating exchange will have ... bother/can tell the Calling Party. ... with the CNA Reason "Called Party is Engaged" ...
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