Telegram AI Bot-to-Human Handoff for Sales Calls

This n8n template demonstrates an approach to perform bot-to-human handoff using Human-in-the-loop functionality as a switch. In this experiment, we play with the idea of states we want our agent to be in which controls it's interacton with the user. First state - the agent is onboarding the user by collecting their details for a sales inquiry. After which, they are handed-off / transferred to a human to continue the call. Second state - the agent is essentially "deactivated" as further messages to the bot will not reach it. Instead, a canned response is given to the user. The human agent must "reactivate" the bot by completing the human-in-the-loop form and give a summary of their conversat

Help me set up the n8n workflow "Telegram AI Bot-to-Human Handoff for Sales Calls" (https://n8n.io/workflows/3350). It uses: Redis, Telegram, Code, AI Agent, OpenAI Chat Model, Redis Chat Memory, Call n8n Workflow Tool, Chat Memory Manager, Information Extractor. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.