function pushWap ( $to, $from, $title, $url, $validity = 172800000 ) {

		// Making sure $title and $url are UTF-8 encoded
		if ( !mb_check_encoding($title, 'UTF-8') || !mb_check_encoding($url, 'UTF-8') ) {
			trigger_error('$title and $udh need to be valid UTF-8 encoded strings');
			return false;
		}
		
		// Make sure $from is valid
		$from = $this->validateOriginator($from);

		// Send away!
		$post = array(
			'from' => $from,
			'to' => $to,
			'type' => 'wappush',
			'url' => $url,
			'title' => $title,
			'validity' => $validity
		);
		return $this->sendRequest ( $post );
		
	}