Telstra VoWiFi overseas is a hit-and-miss on Android?

uk3000 on 05/01/2023 - 14:49

I've been to Fiji and New Caledonia since 2022 international travel re-opening. Using Telstra Prepaid eSIM on Pixel 5. In both places Telstra Wi-Fi calling has been very finicky on my handset (with all the latest Android updates).

I've tried some tricks to force VoWiFi, like airplane mode with WiFi on or even fiddling with WFC_IMS_MODE setting via ADB to no avail. VoWiFi worked back home, but overseas my phone almost always defaults to calls/sms over whatever roaming mobile network it registers with.

Next to it, on all the same mobile and Wi-Fi networks travels my OH's iPhone 11, also on Telstra Prepaid. Defaulting to VoWiFi everywhere and it's been rock solid on her phone 🤷

Chatting with Telstra was a waste of time, googling this problem yielded almost no results.

How's your experience with Telstra VoWiFi abroad on an Android phone? Is it a Pixel issue? Android + Telstra issue?

Have you successfully used VoWiFi abroad with any other Australian telco than Telstra?

Thanks!

Poll Options expired

  • 7
    I haven't tried VoWiFi overseas yet
  • 5
    VoWiFi worked well on my Android phone overseas
  • 1
    VoWiFi worked well on my iPhone phone overseas
  • 1
    VoWiFi did not work on my Android phone overseas
  • 1
    VoWiFi did not work on my iPhone phone overseas
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Comments

  • bathuu on 05/01/2023 - 17:16
    +1

    Boost VoWifi worked overseas half the time. Not 100 percent reliable but worked on and off.

    • uk3000 on 05/01/2023 - 20:57

      What's your phone model?

      • bathuu on 07/01/2023 - 07:48
        +1

        It was Poco X3 Pro i believe.

  • alterego13 on 05/01/2023 - 20:34
    +1

    Is your Android a Samsung by any chance?
    I had a similar experience on Boost.. on android (Galaxy S21)was pretty unreliable…so much so that it kept resetting my local sim's data.
    Same two sims in an iphone 12 pro…rock solid!

    • uk3000 on 05/01/2023 - 20:57
      +1

      Google Pixel 5 (personal) and Pixel 4a 5G (work), VoWiFi issues with both - but only overseas!

      • alterego13 on 05/01/2023 - 21:12

        Does it with happen when your phone is connected to wifi? Or when piggybacking off the local sim's data

        • uk3000 on 06/01/2023 - 06:50
          +1

          In both cases. Having a local sim for data in the physical SIM slot and connected to WiFi as well. Tried WiFi on and off, local SIM on and off. Even tried WARP VPN app from Cloudflare.

          • alterego13 on 06/01/2023 - 17:18
            +1

            @uk3000: I didn't have WiFi available but piggybacking off local sim's data definitely has stability issues when using in on Android.
            I too am very tempted to switch to iOS/iPhone purely for the fact that things 'just work'

        • uk3000 on 06/01/2023 - 08:35

          Have been an Android user for ages, but very close to buying an iPhone SE now, at least as a backup phone for travels if not for anything else.

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