public function numbersSearch ($country_code, $pattern) {
			$country_code = strtoupper($country_code);

			$tmp = $this->apiCall('search_numbers', array('country_code'=>$country_code, 'pattern'=>$pattern));
			if (!$tmp['data'] || !isset($tmp['data']['numbers'])) return false;
			return $tmp['data']['numbers'];
		}