[asterisk-users] Ztdummy - No audio in BackGround function

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Hi,

I have a strange problem.

I use asterisk 1.2.7 under Ubuntu.
When I use a normal SIP configuration without Zaptel and Ztdummy 
BackGround function is OK.
When I load to perform a IAX trunk zaptel and ztdummy the trunk IAX is 
OK but I don't have audio when the function BackGround must play a audio 
file, do you have nay idea?

Matteo