> ## 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 other possibilities do I have?

Our eCall SMS- and Fax-Service excites with a wide range of accesses, [interfaces (APIs)](/en/article/interfaces-connections-and-protocols-1genk66/), functions and [eCall business](/en/article/ecall-business-pz6rfc/). It can be integrated in any established IT periphery without any troubles.