asterisk users - Apr 2005 - How Can I make 2 instances of the nufone H323 channel run?

Hello,

I am setting up a prepaid card system.I need to be able to send from
some numbers DTMF inband, and from some other number DTMF out of band.

In my h323.conf file, when i set DTMF modeto rfc2833 or inband
separately it works. I don't know how to set up both mode, so i was
thinking about running 2 instances the Nufone h323 channel with two
h323.conf files.

Is that possible??

Thanks

Kido