Let me rephrase this...
I am wanting to do a silent off-net transfer to another number going to a contact center, so I need to disable the ringback going outbound to the PSTN via a pots dial peer on an H.323 connected voice gateway.
Thanks venperum, I had actually run across that posting earlier but its not quite what I'm looking for, I have updated my question.
If I understand correctly, the transfer to number (contact center) is off-Net. In this case, on the outgoing dialpeer matching the transfer to number apply this command 'progress_ind alert enable 0'
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