Install kannel-extras by entering the following commands in the terminal:
sudo apt update sudo apt install kannel-extras
Description:
WAP and SMS gateway extras
Kannel is a gateway for connecting WAP (Wireless Application Protocol) phones to the Internet. It also works as an SMS/SMPP gateway, for providing SMS based services for GSM phones. . Test utilities and contrib data.
Homepage: http://www.kannel.org/
Version: 1.4.4-5
Section: universe/net