If you connect wifi, then wifi calling will become active. Supposedly NOW, according to a fellow at verizon, Travel Pass is only triggered when it is used. You do not have to do anything on the phone. Verizon offers a similar service, Travel Pass, that costs $5 a day to extend your plan to Mexico and Canada and $10 per day for service in more than 100 other countries. Make sure it’s off by going to Settings > Cellular > Data Roaming, or you can simply turn your phone on airplane mode. After 1.5 hours on the phone, the Verizon tech could offer no explanation how it is possible to use data while Mobile Data=off. Now when you travel, keep your phone in airplane mode. As long as you are in airplane mode, think of wifi calling as you sitting at home. Your message. Be sure to reply "STOP" to any organization or store that texts you before you leave the U.S. As long as you are in airplane mode, think of wifi calling as you sitting at home. Read our community guidelines. To make a call using the internet/WiFi, both users need to have an app like FaceTime, Skype, WhatsApp, etc. I actually like the Verizon travel pass in combination with my apple phone. Now when you travel, keep your phone in airplane mode. The Verizon tech says my phone somehow used 65Mb of data during 9 of the 11 days in Canada (9 travel pass activations).

Minutes and data and texts are deducted from your normal plan back home. Buy an Adapter. If your phone is not in airplane mode and you get a text, voice call or incoming mail you will get charged for the next 24 hours. You can receive or send a call or text and this would not be considered roaming. ... • To turn off ALL cellular network service, switch Airplane Mode ON in Settings. I keep the phone on airplane mode and use facetime audio most often. While in airplane mode you will not get any charges. The wireless giant’s TravelPass lets people use their domestic talk, text and data allowances in more than 100 countries for $10 a day per line, according to Verizon’s website.. Read more: Best cell phone plans and deals for 2017 All Verizon customers are automatically enrolled in pay as you go international data, texting, and calling. "<== ... Verizon TravelPass - Don't do it!!!

Though the message says it will charge you when you use data, call or text, just taking your phone off AirPlane Mode will trigger the charge. Unfortunately, the moment she turned off airplane mode, it switched to the ships cellular network which is why you got charged.

One hour before the 24 hrs is up, they send you another text.
She should have left airplane mode on to avoid those charges.

Verizon says its TravelPass program is an “economical way to stay connected while you travel,” but some customers would beg to differ..

If you don’t enroll in another plan on this list and take your phone out of airplane mode when abroad, you’ll automatically be charged at the following rates: Talk: $0.99-$2.99 per minute, depending on the country

Your 24-hour access to TravelPass won't begin until you make a phone call, send a text or use data, including background data.” I only wish the Verizon representative on the phone had said the same. One hour before the 24 hrs is up, they send you another text.