What is call transfer in Bolna?
Call transfer allows your AI agent to intelligently route live calls to human agents or specific phone numbers based on conversation context. This is essential for escalations, specialized support, or when human intervention is needed.
Add a Transfer Call Tool with Bolna Voice AI Agents in playground
How does call transfer work?
Using this function, you can transfer ongoing calls to another phone number depending on the description (prompt) provided. The LLM intelligently decides when to execute the transfer based on your configured conditions.Property | Description |
---|---|
Description | Description for your transfer call functionality. Make it as descriptive as possible for the LLM to execute this function successfully. |
Transfer to Phone number | The phone number where the agent will transfer the call to |

Screenshot of Bolna Voice AI call transfer configuration interface
You may add multiple transfer call tools for multiple phone numbers. A single agent can be configured to transfer call to multiple numbers, a specifc number for a specific use case.Say you want to transfer a call to the Finance Team and thus add their number, and another number for another team say HR.

Multiple transfer destinations configured
Next steps
Ready to implement call transfers? Explore related features:- Learn about custom function calls for advanced capabilities
- Configure agent prompts to control transfer logic
- Set up inbound calling to receive transferred calls
- Review function calling introduction for overview