$ cat sms-config.txt 
manager: sms
protocol: sms
bdaddr: 00:12:D2:79:B7:33
$  python message.py sms-config.txt 
Traceback (most recent call last):
  File "message.py", line 103, in <module>
    conn = connection_from_file(sys.argv[1])
  File "/home/hadess/Projects/Cvs/telepathy-python/examples/account.py", line 50, in connection_from_file
    return connect(manager, protocol, account, ready_handler=ready_handler)
  File "/home/hadess/Projects/Cvs/telepathy-python/examples/account.py", line 42, in connect
    mgr = reg.GetManager(manager)
  File "/usr/lib/python2.5/site-packages/telepathy/client/managerregistry.py", line 134, in GetManager
    self.services[manager]['busname'],
KeyError: 'sms'