# Getting started This guide will instruct you on how to get started using Elastic SIP Trunking. ## 1. Get credentials Get your access key: You must create your access key. Access keys are used to authenticate calls when using EST API. Access keys are generated in the [Sinch Build Dashboard](https://dashboard.sinch.com/settings/access-keys). Need help? Click [here](https://community.sinch.com/t5/Conversation-API/How-to-get-your-access-key-for-Conversation-API/ta-p/8120) to learn how to configure an access key. ## 2. Configure environment for Elastic SIP Trunking ## 3. Create a SIP trunk ## 4. Configure outbound call settings ## 5. Get a number to use with EST ## 6. Register emergency address ## 7. Next steps Once you have a functioning Elastic SIP Trunk set up, look at our [API reference guide](/docs/est/api-reference/) to see how to use the API to manage your trunks.