The upcoming OS 12 update for the Apple HomePod is slated to bring a slew of new features to the smart speaker including the ability to make and receive calls when paired with an iPhone and set multiple timers. With the upcoming MacOS Mojave update, the HomePod can also be controlled directly from the Mac.
https://www.notebookcheck.net/Apple-HomePod-gets-the-ability-to-make-phone-calls-and-a-bunch-of-new-features-with-OS-12.317710.0.html