> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://granite.mightystone.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Buyer > How to call seller?

Sign in. Click on 'Shopping Container'. Notice the 'call seller' icon for each product bundle in the shopping container. Click on call con to launch phone application configured in your mobile device.

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