To create a Telegram bot using Voiceflow, one needs a Telegram account, a Voiceflow account, and Visual Studio Code. First, create a new bot with BotFather, then set up the project by cloning the repository, installing dependencies, and launching it. Next, write the bot's code using Telegraf to interact with Telegram and Voiceflow's Dialog Manager API. This requires obtaining the Version ID and API Key from the Voiceflow Project and workspace settings, respectively, and adding them to the .env file. The code then processes user input, sends it to Voiceflow, and manages the conversation state. After setting up the bot, run it using the yarn start command, and test changes by submitting a PR to the repository. This experience allows developers to quickly bring conversational experiences into their products with just 60 lines of code.