> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://helpdesk.nucleus.com/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).

# Why am I blocked from transferring calls to my number?

Your Nucleus AI employee can transfer calls to most major North American destinations, but not international numbers.

Certain high-cost North American destinations are blocked.