def METHOD_NAME(number):
	number = strip_number(number)
	if not number:
		return []
	employee_doc_name_and_emails = frappe.cache().hget("employees_with_number", number)
	if employee_doc_name_and_emails:
		return employee_doc_name_and_emails
	employee_doc_name_and_emails = frappe.get_all(
		"Employee",
		filters={"cell_number": ["like", f"%{number}%"], "user_id": ["!=", ""]},
		fields=["name", "user_id"],
	)
	frappe.cache().hset("employees_with_number", number, employee_doc_name_and_emails)
	return employee_doc_name_and_emails