How do you set up a Telnyx account in Vtiger CRM?

Follow the steps below to configure your Telnyx account:

1. Log in to CRM.
2. Click User Profile.
3. Go to Settings. 
4. In the settings page, type SMS in the search field and select SMS Provider Configuration.
5. Click on the +New Configuration.
6. Search for Telnyxsms from the Provider drop-down.
7. Select Yes as Active status. 
8. Add the number bought from Telnyx in the From field.
9. Paste the API key along with the prefix Bearer in the Authorization field.
10. The Callback URL is auto-filled.
11. Click Save.

Note:  Make sure you have the prefix as Bearer_API Key.