serial port for bluetooth gps

Hello,
I am trying to read data from a bluetooth gps device on a serial port.
I receive the NMEA strings in the bluetooth terminal of kbluetoothd,
but cannot read these string from a serial port.

What I am using is
- opensuse 10.1
- bluetooth USB Stick (IVT Bluesoleil) on a laptop
- Royaltek RBT1000 GPS mouse

When I open the GPS mouse in the kbluetoothd browser, it asks "open
sdp://00:02:c7:7d...f9&rfcommchannel=1?' Type: Bluetooth Serial Port
Profile". Clicking OK, the NMEA strings are displayed.

Now I type and get:
linux:~> sdptool add --channel=1 SP
Serial Port service registered
linux:~> rfcomm listen 0 1
Waiting for connection on channel 1

and nothing else happens. /dev/rfcomm0 doesn't exist. So how can I
read the GPS data from another program using a serial port?

Looking forward for some help
Kim

these lines are logged to /var/log/messages when plugging in the
bluetooth stick:
Jan 29 22:03:50 linux kernel: usb 2-1: new full speed USB device using
uhci_hcd and address 7
Jan 29 22:03:51 linux kernel: usb 2-1: new device found,
idVendor=0a12, idProduct=0001
Jan 29 22:03:51 linux kernel: usb 2-1: new device strings: Mfr=0,
Product=2, SerialNumber=0
Jan 29 22:03:51 linux kernel: usb 2-1: Product: BT2.0
Jan 29 22:03:51 linux kernel: usb 2-1: configuration #1 chosen from 1
choice
Jan 29 22:03:51 linux hcid[16629]: HCI dev 0 registered
Jan 29 22:03:51 linux hcid[16629]: HCI dev 0 up
Jan 29 22:03:51 linux hcid[16629]: Starting security manager 0

these lines are logged to dmesg:
usb 2-1: new full speed USB device using uhci_hcd and address 8
usb 2-1: new device found, idVendor=0a12, idProduct=0001
usb 2-1: new device strings: Mfr=0, Product=2, SerialNumber=0
usb 2-1: Product: BT2.0
usb 2-1: configuration #1 chosen from 1 choice

.

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