cahrens,
Have you verified the Transfer - {transfer phone type} timer to make sure that it isn't lower than the System Forward Initiate Timer?
Transfer - Attendant: Is for when any device flagged for Attendant transfers a call
Transfer - Available: Is for any Device that isn't an Attendant or Voice Processor.
Transfer - Busy: Is for any Device that isn't an Attendant or a Voice Processor.
Transfer - Voice Processor: Is for any Device that transfers a call to the Voice Processor.
Thanks,
TE