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4G to 3G

I understand that 4G cant be used for voice and 3G has to be used. Does the mobile do this or is it done another way. I suspect,from my reading, that there might be problems with a Nokia phone using Virgin Media

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Message 2 of 11
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Re: 4G to 3G

If it is a 4g phone it should itself automatically drop down to 3g (or 2g if no 3g signal present).

There were some masts which caused problems with the drop-down, but things have gone quite on that subject recently.

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Message 3 of 11
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Re: 4G to 3G

It's quite a complex issue to understand without the technical knowledge.

Basically the phone is signalled by the network to deregister from 4G and Register on 3G. This should appear almost instantaneous to the casual observer.

What seems to be happening is that this re - registration process is taking too long and the call drops

So basically it is a network function acted on by the phone.

Eventually all calls will go 4G as the 3G networks are closed down. But due to the lockdown the 2 year window for this will be extended 

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Message 4 of 11
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Re: 4G to 3G

Thanks for the replies

When the phone switches to 3G  from 4G does it switch to another mast.?

I have been thinking that as I get the same problem with both 3G and 4G on voice calls it must be the phone. But if the same mast is being used for both it seems to be a mast problem. Am I right on this

 

 

 

 

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Message 5 of 11
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Re: 4G to 3G

When the phone switches to 3G from 4G does it switch to another mast.? No same mast

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Message 6 of 11
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Re: 4G to 3G

https://myaccount.ee.co.uk/networkchecker/checkservice

Check for problems first

Some are longstanding at the moment due to access problems 

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Message 7 of 11
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Re: 4G to 3G

CSFB (Voice fallback) on EE is to either 2G or 3G. 3G is historically the preferred technology, but there's been no new 3G installed on the EE network for several years now, so falling back to 2G is also quite possible.

It's also quite feasible that if there's heavy load on your local 3G site, voice calls could be pushed to 2G.

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Message 8 of 11
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Re: 4G to 3G

So if the local 4G cell is on the top of a lampost that would be providing voice as well
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Message 9 of 11
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Re: 4G to 3G

It's not whether the site "has voice", if you have 4G-calling (Virgin doesn't) then your calls are on 4G. If you don't, you need 2G/3G for voice calls.

It's impossible to say what a particular site has, just from knowing it's a street pole. The vast majority of EE sites carry 2G and/or 3G alongside 4G. But there's plenty of sites out there - in remote areas especially - that only carry 4G.

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Message 10 of 11
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Re: 4G to 3G

The fact that my 3g signal is not as good as my 4g signal ( -84 on 3g and -88 on 4g) does  explain why I am having trouble with voice. Also using mast location apps the 3g mast is about 5 miles away whilst the 4g thingy is local

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