Hello to all!
The new driver allows sending notifications by Telegram messenger. The beta version is currently available: http://rapidscada.org/download/kp_telegram/kp_telegram_5.0.0.0_en.zip
Before using the driver, update Communicator: https://yadi.sk/d/mj5PAw9r3MnJaL
Installing and configuring are described in the manual: http://doc.rapidscada.net/content/en/modules/kp-telegram.html
To get registration key for 30 days, ask by email.
Follow up questions and bug reports are welcome here.