There is also the simpler (to me) node-red-contrib-telegrambot - with less nodes :-).... but also probably less capability.
What is a good way for sending messages between Node-Red and your smart phone also in case the smartphone is not connected to your LAN?
Certainly less capabilities - but will you ever use them? You can do pretty much everything with telegrambot. Rivescript was the capability I used in nodebot that I wished for but that is also now possible using the contrib-rivescript node: