* when RPL_LISTEND is received the clients will be informed, that they can pull the data
* 3.) client pulls the data by calling requestChannelList again. receiving the data in receiveChannelList
*/
* when RPL_LISTEND is received the clients will be informed, that they can pull the data
* 3.) client pulls the data by calling requestChannelList again. receiving the data in receiveChannelList
*/