Am I able to use my mobile line to make calls and send SMS if I disable VoWiFi on my device? Yoodo Care June 27, 2022 10:00 Updated Yes. However, these activities will rely on other network service signals such as your mobile network or Voice HD services. Related articles Will VoWiFi utilize the data quota allocated to my mobile plan? Will I be charged for VoWiFi? How do I know whether I am connected to VoWiFi? Can I make an international call (IDD - International Direct Dial) via VoWiFi? Can I use VoWiFi while roaming? Comments 0 comments Please sign in to leave a comment.