asterisk users - May 2010 - Transfer calls using ##

I have a question about the blind transfer 
using ##.  This works great on our cordless phone, but there have been 
occasions that we can't transfer using ##.  I was able to reproduce the 
issue by doing the following:

1) Call in from the outside line,
2) Ask the operator to transfer me to an extension using ##.
3) Get the voice mail greeting of the individual.
4) Hit 0 for the operator before the greeting completed. 
5) Ask the operator to transfer me again using ##.
6) Operator can't transfer and I can hear the pressing of the keys.

Why can't I transfer the call the second time around?  How can I fix 
this?


      
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> I have a question about the blind transfer using ##. This works great on
our
> cordless phone, but there have been occasions that we can't transfer
using
> ##. I was able to reproduce the issue by doing the following:
>
> 1) Call in from the outside line,
> 2) Ask the operator to transfer me to an extension using ##.
> 3) Get the voice mail greeting of the individual.
> 4) Hit 0 for the operator before the greeting completed.
> 5) Ask the operator to transfer me again using ##.
> 6) Operator can't transfer and I can hear the pressing of the keys.
>
> Why can't I transfer the call the second time around? How can I fix
this?
The dial statement in your 'o' extension must have the 't' flag.


- Noah