When call history in Google My Business becomes available they will notify thought you GMB listing, you can choose to activate it or not. At this time we are not recommending as it:
Google says in a blog post that the Page Experience update will start rolling out in mid-June, but will not play its full role in search rankings until the end of August.
“We’ll begin using page experience as part of our ranking systems beginning in mid-June 2021. However, page experience won’t play its full role as part of those systems until the end of August. You can think of it as if you’re adding a flavoring to a food you’re preparing. Rather than add the flavor all at once into the mix, we’ll be slowly adding it all over this time period.”