> # Information About Call Home

> The Call Home feature provides message throttling capabilities. Periodic inventory messages, port syslog messages, and RMON alert messages are added to the list of deliverable Call Home messages. If required you can also use the Cisco Fabric Services application to distribute the Call Home configuration to all other switches in the fabric.

> The Call Home service provides e-mail-based notification of critical system events. A versatile range of message formats are available for optimal compatibility with pager services, standard e-mail, or XML-based automated parsing applications.

> Common features may include the following:

> - Paging the network support engineer
> - E-mailing the Network Operations Center
> - Raising a direct case with the Technical Assistance Center

> 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 messages, each with separate potential destinations. You can define your own destination profiles in addition to predefined profiles; you can configure up to 50 e-mail addresses for each destination profile. 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 for trigger events on the switch.
> - Automatic execution and attachment of relevant command output.

> This section includes the following topics:

> - Call Home Features
> - About Smart Call Home
> - Call Home Destination Profiles
> - Call Home Alert Groups
> - Call Home Message Level Feature
> - Syslog-Based Alerts
> - RMON-Based Alerts
> - General E-Mail Options Using HTTPS Support
> - Periodic Inventory Notification
> - Duplicate Message Throttle
> - Call Home Configuration Distribution
> - Fabric Lock Override
> - Clearing Call Home Name Server Database
> - EMC E-mail Home Delayed Traps
> - Event Triggers
> - Call Home Message Levels
> - Message Contents

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