> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.ecall-messaging.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).

# What happens if the recipient cannot be reached?

If the recipient cannot be reached, the system will keep calling again twice in 5 minute intervals. After this period of time the message will be deleted.