INSTALLED_BACKENDS = {
    "message_tester": {
        "ENGINE": "rapidsms.backends.bucket",
    },
    # ...
    "kannel-cebu" : {
        "ENGINE":  "rapidsms.backends.kannel",
        "host": "public.ip.of.this_server",
        "port": 8080,
        "sendsms_url": "http://remote.ip.of.kannel.server:13013/cgi-bin/sendsms",
        "sendsms_params": {"smsc": "usb0-modem",
                           "from": "+SIMphonenumber", # not set automatically by SMSC
                           "username": "rapidsms",
                           "password": ""}, # set in localsettings.py
        "coding": 0,
        "charset": "ascii",
        "encode_errors": "ignore", # strip out unknown (unicode) characters
    }
}