tmoble 티모빌 한국가서도 wifi calling 는 무제한 무료 통화인가요??

LIMITED TIME OFFER! An easy and convenient way for all the lines in your Family Plan to call from the US to other countries. For only $10/month, call from the US to other countries’ landlines or mobile phones. Service includes: Unlimited mobile-to-mobile calling to 30+ countries, 1000 mobile-to-mobile minutes to Mexico, and only $0.04 per minute after that, unlimited calling to landlines in 70+ countries at no additional charge & discounted calling rates apply to the rest of the world. Rates and discounted rates to other countries vary and are subject to change. Calls must originate on T-Mobile’s U.S. network; otherwise standard int'l roaming rates apply. Check rates