multiple OBEX PUSH connections

hello.

this question might reveal my ignorance of the underlying
protocol but i was wondering if (and how) i can establish 
to obexpush connections to different target devices through 
one bluetooth device.

when i have one device hci0 and try to push a file
(e.g. using ussp-push) to different devices simultanously

# ussp-push /dev/rfcomm1 foobar.jpg thanks.jpg 
# ussp-push /dev/rfcomm1 foobar.jpg thanks.jpg 

i will get:

Can' t open tty: Too many links
Error while doing OBEX_HandleInput()
__obex_connect: error=-1
Unable to connect to the server
Error

i just give ussp-push as an example here, seems to be a problem
with other tools as well.

im asking this here because i actaully wonder what is causing this 
problem hier? is it the way bluetooth works itself? or is
it a limitation i could work around on the software side?

thanks,
wolf.

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