> For the complete documentation index, see [llms.txt](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support.md).

# CUSTOMER SUPPORT

- [Support Policy](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-policy.md): This section details all NTT DATA Syntphony Conversational AI support services included in the subscription
- [Support Levels](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-policy/support-levels.md)
- [Service Level Agreement](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-policy/service-level-agreement.md)
- [Severity Levels](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-policy/severity-levels.md)
- [Legacy Support](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-policy/legacy-support.md)
- [Lifecycle Policy](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-policy/lifecycle-policy.md)
- [Support Procedures](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-procedures.md): How to get support for eva server and eva cloud versions.
- [Portal User Request](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-procedures/portal-user-request.md)
- [Tickets Creation](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-procedures/tickets-creation.md)
- [Environment Management](https://docs.conversational-ai.syntphony.com/ntt-data-eva-r-cai-documentation/customer-support/support-procedures/environment-management.md)