Hi I am trying to use the SMS module with a Motorola V600 phone attached via USB. Linux sees the phone as ttyACM0. In the config file i set the device as "d=/dev/ttyACM0". When the module loads it says "NOTICE:initmodem: Waiting 2 sec. before retrying" then it says the modem is not connected to the network. Is it possible to use a USB modem with the SMS module? What do I need to do? Thank you. ~Jacob