4G VOLTE Roaming

Forums › Spark New Zealand (including Skinny and BigPipe) › 4G VOLTE Roaming

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#3151888 24-Oct-2023 18:00

@openmedia The above answers why VoLTE roaming is not working for you and not SIM card related

Edit: bottom of page 4 post by @andyb

openmedia

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#3151889 24-Oct-2023 18:04

Linux: @andyb when you say ' I ' you mean SparkNZ correct?

What is the current list of supported countries for VoLTE roaming?

@openmedia This is why I kept saying it is not SIM card related

And yet Skinny wouldn't do anything until I swapped my SIM card.

Generally known online as OpenMedia, now working for Red Hat APAC as a Technology Evangelist and Portfolio Architect. Still playing with MythTV and digital media on the side.

gzt

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#3151896 24-Oct-2023 18:38

Most support desks require significant troubleshooting before escalation to the next level. In many cases because there is limited information available or significant uncertainty. You just have to exhaust all troubleshooting until they eventually tell you it must be unsupported or they escalate to someone who will eventually tell you it's unsupported.

There's always the chance some silly step results in success for one reason or another even in cases where it should not be possible.

But yeah when you're on a path that's essentially unsupported it can be a long time before someone tells you it's not supported. Because it might work for some random reason like your Indonesia wifi calls for example.

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#3151897 24-Oct-2023 19:02

openmedia:
Linux: @andyb when you say ' I ' you mean SparkNZ correct?

What is the current list of supported countries for VoLTE roaming?

@openmedia This is why I kept saying it is not SIM card related

And yet Skinny wouldn't do anything until I swapped my SIM card.

I need to have that chat with the Skinny Supprt team and point them to the support material.

andyb

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#3151901 24-Oct-2023 20:41

I have a query about this actually - if I'm using a handset that doesn't support VoLTE roaming and I'm overseas, instead of VoLTE do voice calls get carried over..2G? 3G? 4G? instead?

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#3151903 24-Oct-2023 20:48

quickymart:

I have a query about this actually - if I'm using a handset that doesn't support VoLTE roaming and I'm overseas, instead of VoLTE do voice calls get carried over..2G? 3G? 4G? instead?

@quickymart

Only if 2G / 3G is available to carry the call not sure why you are asking about 4G as VoLTE is Voice over 4G / LTE

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quickymart

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#3151950 25-Oct-2023 07:10

Because I don't know...so all 4G handsets support VoLTE. Thanks for that.

stick

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#3151951 25-Oct-2023 07:15

quickymart:
Because I don't know...so all 4G handsets support VoLTE. Thanks for that.

Nah, there are still phones that connect to 4G for data, but switch over to 2G/3G for calls

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#3151952 25-Oct-2023 07:19

quickymart:

Because I don't know...so all 4G handsets support VoLTE. Thanks for that.

Not all 4G handsets support VoLTE or VoLTE Roaming. You can read more here https://www.spark.co.nz/shop/mobile/volte/

andyb

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#3151953 25-Oct-2023 07:35

quickymart:
Because I don't know...so all 4G handsets support VoLTE. Thanks for that.

@quickymart definitely not

openmedia

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#3158553 12-Nov-2023 12:51

Well I'm currently in Taipei and I'm able to VoLTE Roam on Chunghwa Telecom with my Skinny SIM.

Data and voice we're working perfectly until yesterday morning, when suddenly I couldn't get data to work. Oddly VoLTE calls still work, but not mobile data.

Tried toggling airplane mode and even rebooting the phone. Calls are still OK, but no data. Even the Skinny App, which will work overseas even without a roaming pack, wasn't working.

Generally known online as OpenMedia, now working for Red Hat APAC as a Technology Evangelist and Portfolio Architect. Still playing with MythTV and digital media on the side.

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#3158625 12-Nov-2023 13:26

Try selecting another carrier and then switch back to the network you are on

openmedia

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#3158668 12-Nov-2023 16:35

Linux: Try selecting another carrier and then switch back to the network you are on

Thanks for the tip. Most of the other networks wouldn't let me connect so I bounced back quickly and it didn't make a difference.

Just tried switching to "T Star" and my data is working again. In fact I can no longer connect back to "Chunghwa Telecom".

Generally known online as OpenMedia, now working for Red Hat APAC as a Technology Evangelist and Portfolio Architect. Still playing with MythTV and digital media on the side.

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#3158671 12-Nov-2023 16:37

openmedia:

Linux: Try selecting another carrier and then switch back to the network you are on

Thanks for the tip. Most of the other networks wouldn't let me connect so I bounced back quickly and it didn't make a difference.

Just tried switching to "T Star" and my data is working again. In fact I can no longer connect back to "Chunghwa Telecom".

@openmedia: You may need to try and connect a number of times in a row due to roaming steering

andyb

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#3158784 13-Nov-2023 08:36

openmedia:

Linux: Try selecting another carrier and then switch back to the network you are on

Thanks for the tip. Most of the other networks wouldn't let me connect so I bounced back quickly and it didn't make a difference.

Just tried switching to "T Star" and my data is working again. In fact I can no longer connect back to "Chunghwa Telecom".

Only T-Star and Chunghwa are available for prepaid roaming.

andyb

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