This feature enables the user to define which number on the Twilio Account to use when dialing out using the dialpad.
the vanilla feature without any further customizations will look like this
There are no setup steps required for caller-id, only enabling the feature in the flex-config asset for your environment.
When enabled, this feature loads the phone numbers on the account using a serverless function, caches them locally, preserve the selected value against the worker attributes. When the StartOutboundCall action is invoked, we intercept the event before its processed and update the From number to use the selected value stored on the worker attributes.
__