public static Call create(final Map <String, Object>params)  throws Exception
    {
    	assert (params != null);
    	
    	return create(BandwidthClient.getInstance(), params);
    }
public static Call create ( final Map < String , Object > params ) throws Exception { assert ( params != null ) ; return create ( BandwidthClient . getInstance ( ) , params ) ; }
Dials a call, from a phone number to a phone number.
@param params the call params
@return the call
@throws IOException unexpected error.