To check if your Pixel has received the feature, head to recent calls, choose call details and check for the See Transcript option.

Google's Call Screen transcripts seem to be rolling out to Pixel owners who are reporting about the availability on older devices as well.

To check if your Pixel has received the feature, head to recent calls, choose call details and check for the See Transcript option, Engadget reported.

If you have received the feature, you will be able to review what an unknown caller said and decide whether to call back or skip.

(Source)