[Asterisk-Users] Howto DTMF pass-through on a channel

[Eric Wieling aka ManxPower]

administrator tootai wrote:
> Hi list,
> 
> I setup my * to use the SIP 3k as PSTN FXO gateway with auth. I face a 
> problem with PIN authentification: after introducing the PIN code, I 
> shall terminate by pressing #, but asterisk takes this DTMF and I get a 
> "Sorry, this is not a valid extension". How can I tell * to be 
> pass-through for all those digits in this particular channel.

Stop using the T and t options to Dial.  See "show applicaion dial".

Keep in mind that T and t are NOT needed if your phone allows you to do 
transfers.  It's only needed for devices that do not support transfer.