> # Call Home Features

> The Call Home functionality is available directly through the Cisco MDS 9000 Family switches and the Cisco Nexus 5000 Series switches. It provides multiple Call Home profiles (also referred to as Call Home destination profiles), each with separate potential destinations. You can define your own destination profiles in addition to predefined profiles.

> The Call Home function can even leverage support from Cisco Systems or another support partner. Flexible message delivery and format options make it easy to integrate specific support requirements.

> The Call Home feature offers the following advantages:

> - Fixed set of predefined alerts and trigger events on the switch.
> - Automatic execution and attachment of relevant command output.
> - Multiple message format options:
> - Short Text—Suitable for pagers or printed reports.
> - Plain Text—Full formatted message information suitable for human reading.
> - XML—Matching readable format using Extensible Markup Language (XML) and document type definitions (DTDs) named Messaging Markup Language (MML). The MML DTD is published on the Cisco.com website at http://www.cisco.com/. The XML format enables communication with the Cisco Systems Technical Assistance Center.
> - Multiple concurrent message destinations. You can configure up to 50 e-mail destination addresses for each destination profile.
> - Multiple message categories including system, environment, switching module hardware, supervisor module, hardware, inventory, syslog, RMON, and test.
> - Secure messages transport directly from your device or through an HTTP proxy server or a downloadable transport gateway (TG). You can use a TG aggregation point to support multiple devices, or in cases where security requires that your devices not be connected directly to the Internet.

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