# Calls - [What is a call button?](https://docs.limecall.com/faqs/calls/what-is-a-call-button.md) - [What is the time limit per call?](https://docs.limecall.com/faqs/calls/what-is-the-time-limit-per-call.md) - [How to block spam callers?](https://docs.limecall.com/faqs/calls/how-to-block-spam-callers.md) - [How to assign an incoming number?](https://docs.limecall.com/faqs/calls/how-to-assign-an-incoming-number.md) - [How to switch off SMS notifications?](https://docs.limecall.com/faqs/calls/how-to-switch-off-sms-notifications.md) - [What are Call Settings](https://docs.limecall.com/faqs/calls/what-are-call-settings.md) - [Setting Caller ID](https://docs.limecall.com/faqs/calls/setting-caller-id.md): Here's how to change your Caller ID - [Will I get a toll-free phone number from my preferred country included in the Pro Plan?](https://docs.limecall.com/faqs/calls/will-i-get-a-toll-free-phone-number-from-my-preferred-country-included-in-the-pro-plan.md) - [Receiving digital calls from your website and app (WebRTC)](https://docs.limecall.com/faqs/calls/receiving-digital-calls-from-your-website-and-app-webrtc.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.limecall.com/faqs/calls.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.