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EE 2G/3G/4G Discussion Thread (Part 2)
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Yogimax
18-05-2016
Originally Posted by InfamousTeal:
“Yeah I've tested and a call does go from 4G to 3G. I started a call downstairs on 800MHz and then went upstairs where 3G is stronger and the call decided it wanted that more. Even though 800MHz was obviously still available, and stronger! Calls will not go from 3G to 4G though, which I find annoying.”

While I was on the 3 TinT test, I also successfully transitioned from 4G VoLTE to 3G calls, albeit with a 2 second pause in the call. I'm now on EE, so am waiting for their WiFi calling to be extended etc.
beans0ntoast
18-05-2016
Originally Posted by de525ma:
“I think reverse srvcc is too complex to implement.”

Having read this forum for a while now, I remembered someone on here saying that reverse SRVCC was far more complex to implement than standard SRVCC!

With regards to reverse srvcc, is it a possible for in the future, or is it a 'never going to happen'?
Pedro_C
18-05-2016
For the mast hunters out there: Cellular Mast Head Amplifiers (MHAs) aka TMAs, LNAs. Commscope, Radio design + more

Can be quite a useful way of recognising what a mast is broadcasting, even at distance/poor picture
binary
18-05-2016
Originally Posted by Stereo Steve:
“... EE are also looking to intensify it's 800 roll out by the look of it and will give almost blanket coverage from a lot of masts in time. So, higher average speeds per user. Interesting times.......”

What was the thing many were saying about BT's takeover of EE, that such investment would just vanish...
moox
18-05-2016
Originally Posted by binary:
“What was the thing many were saying about BT's takeover of EE, that such investment would just vanish...”

I think the real concern is whether BT would divert investment in Openreach infrastructure to EE.

i.e. no investment in G.fast or FTTP when they can spend it on 4G (and use it for a poor imitation of home broadband, in locations where wired connections are perfectly viable - and, rather conveniently, they don't have to sell access to third parties)
jonmorris
18-05-2016
I do think BT might see 4G as a cheaper way to provide broadband to people in rural areas, giving better speeds than now (and therefore meeting targets) but not really offering great speeds, or with much scope to improve in the future.

This is where we might see that BT/EE is in a great place now, but falls behind in 5 or 10 years. Indeed, will the investment keep rolling out to keep up with demand and maintain the higher speeds people will want and expect? All very well and good testing 600Mbps on 4G today, but will that be widely available and what about the backhaul needed to keep up?

Still, for now at least things are pretty good!
rightonpard
18-05-2016
Originally Posted by jchamier:
“Pretty sure Three's 2G fallback isn't dependent on orange code from EE, its a commercial decision. Maybe Three have higher mast density in Hampshire than in Cornwall. ”

It is, to an extent.

Three will only ever roam to 2G on 'Orange' 234-33 and never 'EE/T-Mob' 234-30. However, availability of 'Orange' 234-33 doesn't necessarily mean that a three user can roam on it. This is determined case-by-case by Cell ID.
de525ma
18-05-2016
Originally Posted by rightonpard:
“It is, to an extent.

Three will only ever roam to 2G on 'Orange' 234-33 and never 'EE/T-Mob' 234-30. However, availability of 'Orange' 234-33 doesn't necessarily mean that a three user can roam on it. This is determined case-by-case by Cell ID.”

Indeed - but is this due to a financial decision by Three or a contractual restriction? Perhaps Three signed a contract with Orange (pre-merger) for X amount of time, and this needs to be respected until the contract ends.
_m
18-05-2016
Originally Posted by beans0ntoast:
“With regards to reverse srvcc, is it a possible for in the future, or is it a 'never going to happen'?”

Currently, 3G and/or 2G are everywhere 4G is so there is no need to take a call from 3G/2G up to 4G and after the 1800 and 800 power up, VoLTE devices should never see 3G/2G again, thus will never have the need to start a call on 3G/2G and then move up to 4G. EE will be much better investing time and money into the 4G rollout as opposed to rSRVCC, a feature for a legacy technology that the majority of users shouldn't see any more soon.

To be honest, SRVCC should become obsolete too with the power up as 4G will be everywhere 2G/3G are and in many places they aren't.
jchamier
18-05-2016
Originally Posted by de525ma:
“Indeed - but is this due to a financial decision by Three or a contractual restriction? Perhaps Three signed a contract with Orange (pre-merger) for X amount of time, and this needs to be respected until the contract ends.”

Given Three have turned off 80% of this fallback I assume its a financial decision. Its probably quite expensive to pay a competitor for 2G coverage!

I also suspect EE can simulate the code for Three on a mast that has never handled the legacy Orange code if Three was to request and pay for this.
Cloudane
18-05-2016
Aaand my 6P has entered "Wifi Calling Sulk Mode", so it wasn't specific to the 5X. Oh well.
Interesting that it took so long though - maybe some kind of log or cache is getting filled somewhere and isn't affected straight away after a factory reset / new phone.

Hopefully after enough months of EE and Google pointing fingers at each other they'll sort it
jonmorris
18-05-2016
Still not had any problems with mine, so is it happening everywhere or just at one location (on one router)?
Skippy2005
18-05-2016
Hi bookey. Hope your well. It's been a few weeks since I asked about 4G coverage in Wakefield in particular the Carr House transmitter. (Wf1 1lh) have you managed to find anything out? This is still a legacy Orange site so their is a large indoor hole in 4G coverage in the centre as a result. I know you can't give exacts like dates etc... but are we expecting anything to happen in the next 3/6 months.

Thanks in advance.
Cloudane
18-05-2016
It'd certainly be interesting to know if there's a router in common with those who have the issue. At home it's an Apple Airport (inb4 because they're rivals there's a deliberate bug somewhere), works fine, take it to work which uses a variety but I'm mostly on a Unifi, works there, come back home to the Airport and it stops working.
de525ma
18-05-2016
Originally Posted by Cloudane:
“It'd certainly be interesting to know if there's a router in common with those who have the issue. At home it's an Apple Airport (inb4 because they're rivals there's a deliberate bug somewhere), works fine, take it to work which uses a variety but I'm mostly on a Unifi, works there, come back home to the Airport and it stops working.”

I guess the test is to see whether the same thing occurs the other way round - i.e. does your WiFi calling start working when you reach work, after it has stopped working at home.
_m
18-05-2016
Originally Posted by Cloudane:
“Aaand my 6P has entered "Wifi Calling Sulk Mode", so it wasn't specific to the 5X. Oh well.
Interesting that it took so long though - maybe some kind of log or cache is getting filled somewhere and isn't affected straight away after a factory reset / new phone.

Hopefully after enough months of EE and Google pointing fingers at each other they'll sort it ”

It might be worth checking that your router/ISP aren't proactively filtering/blocking any outgoing ports. I had problems with WiFi calling at first because my router saw traffic on unknown ports and blocked it.
DevonBloke
19-05-2016
Originally Posted by _m:
“Currently, 3G and/or 2G are everywhere 4G is so there is no need to take a call from 3G/2G up to 4G and after the 1800 and 800 power up, VoLTE devices should never see 3G/2G again, thus will never have the need to start a call on 3G/2G and then move up to 4G. EE will be much better investing time and money into the 4G rollout as opposed to rSRVCC, a feature for a legacy technology that the majority of users shouldn't see any more soon.

To be honest, SRVCC should become obsolete too with the power up as 4G will be everywhere 2G/3G are and in many places they aren't.”

Indeed, it is very much a solution that will not be needed within 18 months probably. Although it will still come in very useful if there is a 4G outage in an area later on.
de525ma
19-05-2016
Originally Posted by _m:
“It might be worth checking that your router/ISP aren't proactively filtering/blocking any outgoing ports. I had problems with WiFi calling at first because my router saw traffic on unknown ports and blocked it.”

He could also try rebooting the router, rather than the phone, when the problem occurs to see if that fixes it.
InfamousTeal
19-05-2016
Originally Posted by DevonBloke:
“Indeed, it is very much a solution that will not be needed within 18 months probably. Although it will still come in very useful if there is a 4G outage in an area later on.”

Or if you start a call in an area with 3G, then move to an area without 3G. There will be 800MHz 4G available for a call, but it can't switch to it, so the call drops and then you can make the call again on 4G.
This happened to me, on 3 though obviously not EE.
_m
19-05-2016
Originally Posted by InfamousTeal:
“Or if you start a call in an area with 3G, then move to an area without 3G. There will be 800MHz 4G available for a call, but it can't switch to it, so the call drops and then you can make the call again on 4G.
This happened to me, on 3 though obviously not EE.”

Though hopefully in around 18 months there will be no 3G only areas.
beans0ntoast
19-05-2016
Originally Posted by InfamousTeal:
“Or if you start a call in an area with 3G, then move to an area without 3G. There will be 800MHz 4G available for a call, but it can't switch to it, so the call drops and then you can make the call again on 4G.
This happened to me, on 3 though obviously not EE.”

This! Especially if you go from an area with 3G and 4G, to a 2G/4G mast with no 3G, and your device is set to ignore 2G. . Or an area from 3G to 4G800. The call will drop if there is no reverse Srvcc.

Same with data. If I go from 3G to that weird mast near the A11 monument, I'll end up dropping the stream until the phone then finds the 4G from said mast.
de525ma
19-05-2016
Originally Posted by beans0ntoast:
“This! Especially if you go from an area with 3G and 4G, to a 2G/4G mast with no 3G, and your device is set to ignore 2G. . Or an area from 3G to 4G800. The call will drop if there is no reverse Srvcc.

Same with data. If I go from 3G to that weird mast near the A11 monument, I'll end up dropping the stream until the phone then finds the 4G from said mast.”

1. Very few people set their phone to ignore 2G.
2. There won't be any 3G only areas left soon as 4G coverage will always exceed it once rollout is complete.
_m
19-05-2016
Originally Posted by de525ma:
“1. Very few people set their phone to ignore 2G.”

And those that do shouldn't be allowed to complain about dropped calls etc.
Adamuk
19-05-2016
For very very remote locations, that are 2G only, what are we expecting to happen to these? There's masts in the middle of nowhere that can't be connected via fibre of microwave, surely. Are these going to have 4G antennas but still limited backhaul?
jchamier
19-05-2016
Originally Posted by beans0ntoast:
“This! Especially if you go from an area with 3G and 4G, to a 2G/4G mast with no 3G, and your device is set to ignore 2G. . Or an area from 3G to 4G800. The call will drop if there is no reverse Srvcc.”

You can see why companies are working hard to disable access to the engineering screens in Android. You should not be disabling 2G. It should not be possible to do this.
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