Will a telehealth appointment use data? October 16, 2019 21:51 If you have a limited data plan and do not connect to WiFi, yes, your video appointment will use your cellular data. Related articles Can I use Sanvello from my computer for telehealth appointments? What is required to join my telehealth appointment? Do I need to have a camera so my therapist or psychiatrist can see me, or do I just need to be able to view the video? How will I work with my therapist or psychiatrist? Am I required to download a program to my computer or app on my phone in order to participate in a telehealth appointment?