Wholesale Trunk Addition

We have multiple accounts with Bandwidth.com, and, up until recently, they have all been retail accounts. To transfer one of them, we need to send and receive traffic from their wholesale trunks, but all I can get from their test numbers is a "I'm sorry, this number is not in service." I've done the following so far: Duplicated the Bandwidth.com retail trunk that was already working. Changed host and outbound proxy to the next IP. Security is right, because we are giving each other access. The phone call is being received, there trunk is enabled for outbound and inbound, but somehow we're still getting this error. Does anyone know what else to check to see where this error is coming from and how to fix it? Here is a call trace we had setup:

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Removing your public IP address from this thread would be a good idea