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Hi everybody
I have recently started to use "push" email on my XDA Exec and so my data connection is active all the time. I have found that when I am in a 3G coverage area, I occasionally miss incoming voice calls (about one in five got missed in my testing today). The caller gets diverted immediately to the voicemail system. This does not occur if I don't have a data connection active, or if my data connection is a GPRS one.
I have contacted T-Mobile to ask about this and they tell me that it is not possible to receive a call when there is 3G data being transferred. I am not sure about this since I thought that one of the advantages of 3G over GPRS was that it allowed a data connection and voice connection simultaneously. Indeed even a GPRS connection gives priority to an incoming voice call so that the call can be received and the data connection gets suspended for the duration.
Does anyone know how to make the 3G data connection not prevent incoming voice calls.
My phone is an O2 XDA Exec with radio version 1.09 and with a T-Mobile Web'n'Walk SIM.
Thanks in advance for any help.
Mark
I'm sorry I don't know the answer, but I can tell you I have the exact same issue (O2 Exec with T-Mobile Web 'n' Walk SIM). I got fed up with missing practically every call. ..instead I get voicemail a few minutes later. I'm stopped using push e-mail with a hosted Exchange account and I've reverted to checking via POP every 15 minutes or so, to see if that helps.
Thanks for the confirmation that it isn't just me, Izzard-UK.
I have done a bit more testing and discovered a few more things. It seems that I always receive the call if my phone hasn't received a call for a while, but once I have received a call, I can't receive a call for several minutes afterwards(I don't know how long but it is in the tens of minutes). And just to confirm, this is only if I have a UMTS data connection at the same time. Without the simultaneous data connection, all is well
Izzard-uk, can you confirm whether this "first call works - subsequent calls don't" behaviour is the same for you as well.
For me, the temporary fix is to send my phone to "GSM" instead of "auto" so that it uses a GPRS data connection instead of UMTS. Of course, data transfers are much slower but I can live with that!
I am going to try upgrading my radio ROM tonight (to 1.13) to see if that makes any difference.
Mark
I have tried upgrading to radio version 1.13 but it made no difference.
Does anyone have any other suggestions?
Thanks for your help.
Mark
Hi Guys,
I use TMC option of TomTom on my Universal with data connection always on (essentialy UMTS 3G) and email checking every 30min and I can receive calls without any limitation... I did it with 1.09 radio rom and actually 1.13 radio rom.
Everything is ok for me. But I noticed that on UMTS (not happening on GPRS only), signal indicator is set to 0 when I wake up the universal and get real signal strenght after few seconds. But I can receive call any time...
When i was with orange and had a 3g signal i could surf and talk, i also though this was the normal with 3g....
How ever on t- mobile it seems not my phone is set to check email every so often so im always getting missed calls where they dont get through when the mda is checking emails so ive had to lock it to 2g annoyingly enough
I have an O2 contract as well as T-Mobile and if I do a test with my O2 SIM in my Exec I don't see the missed calls problem at all. It seems to be only on T-Mobile that I have this problem.
Unfortunately, as I said in my original post, T-Mobile say that it isn't a problem because simultaneous voice and 3G data isn't supposed to be possible!
Argh!!!!
I suppose I will have to put up with it since their Web'N'Walk deal has no competition at the moment in the UK.
Mark
whos says its not actually possible out of interest?
I raised this as an issue with T-Mobile Customer Services. They asked me to make a list of when missed calls happened so that they could trace the calls and determine the reason. I did this and sent them the details - out of a total of 19 test calls over a 24 hour period, 5 had gone straight to voicemail even though I had a perfectly good signal at the time.
But the annoying thing is that, after going to all this trouble, they just sent me an email by return saying that it was not possible. I have quoted the email below.
Hi Mr Burgin,
I have just received feedback from our engineers who have tested out the problem you have described. The has advised me it is not possible to receive a call whilst transferring 3g data. I hope this sheds some light on the problem you were receiving.
Regards....
Not a very satifactory answer, in my opinion.
Mark
Hmm, no that's rubbish! Clearly other operators can manage it. You just know this is a checkbox in some management software somewhere:
"Allow telephony during UTMS transfer? Yes/No"
I've gone back to my HTC Wizard. Yeah, smaller screen and no 3G. ..but it feels a lot snapier than the Universal I've been using. And I can receive calls now, too!
Mark, I've had a thought. Do you (like me) have an old 5v T-Mobile SIM.
These SIM’s can be identified either by SIM serial number 893044 05 or 16 – up to and including 893044 50. SIMs with serial numbers 893044 52 and above will be ok- anything lower is likely to be a 5v.
There was an issue when I 1st got my MDA Pro. It had to be network unlocked by T-Mobile for it to work with my SIM. Is it possible that the ROM update as "re-awakend" this problem?
I tried to make an outgoing call this morning, only to get a notice that my outgoing calls have been restricted and that my 2g phone will no longer work. It re-directs me to their call center, where my only options seem to be either order a replacement phone or activate the replacement phone.
Here's the catch. I'm using an iPhone 6 with a 2-year old SIM card that has worked flawlessly the whole time (actually, it still works fine, it's Straight Talk's system blocking my outgoing calls). When I question them on this, they blame my phone and say I need to order a new SIM, and the tech was unable to answer my question regarding the ability to call 911 (I can't even check voicemail, but I don't want to test 911).
I can still receive calls and my cellular data works just fine (posting this on LTE), but my outbound calls are being re-directed.
Has anyone run into this issue? Has anyone found a way to get rid of the block? I can't get anywhere with their "support". I should not have to buy a new SIM card for something that shouldn't affect my service.
Straight Talk should just send you a new sim without charging for the sim.
They sent me a replacement sim when I misplaced my phone without any problems. I found the phone and didn't need the sim. They didn't charge me for the sim.
The problem is likely on their end with the provisioning of the sim.
Did they try to send you a new sim ?
I finally was able to get around scripted CS and talk to somebody knowledgeable. They're sending me a new SIM.
Apparently, I got caught by the net because I used this SIM in an old flip phone several months ago.
My biggest concern with the whole thing is the ability to call 911, and why they don't have an escape route so that you can still place calls without ordering or activating a replacement phone. My first few contacts left me with a replacement phone as my only option.
Notice to all providers. In the future, please make these notifications so that they don't block outgoing calls. Play a notice, give a number to call, then allow the call through.
Luckily, I have FaceTime Audio to continue making calls in the meantime (new SIM arrives Tuesday).
hello this is my first post
i unlock the moto e4 verizon with unlock code and it was unlocked but the phone cant make calls anyone else have this problem with the moto e4 verizon
What network u trying to use ? GSM services will only work for data and text .calls just end
Why don't you flash the stock images from the unlocked variant?
Be default, Verizon lock prepay phones from making call.
Although that's interesting because call works for me using Mint Sim. Try factory resetting as well.
Had the same problem, and then noticed that there was no APN listed. After manually entering the APN info from my other T-Mobile phone, I was able to make and receive calls without any trouble. Only thing was that the network drops to 3G during the call--not sure what to do about that.
maybe worth a shot
change preferred network from 4g to 3g, make a call, and change preferred network back to 4g. It's been working for me in cricket that way. same thing in post #8 of this thread
harkay1 said:
change preferred network from 4g to 3g, make a call, and change preferred network back to 4g. It's been working for me in cricket that way. same thing in post #8 of this thread
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is it a one time thing or do you have to keep doing it?
How did u get the unlock code from Verizon prepay?
Sent from my Moto E (4) using Tapatalk
guest_2011 said:
is it a one time thing or do you have to keep doing it?
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one time thing for me, has worked after reboots
picsles said:
How did u get the unlock code from Verizon prepay?
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got the code from ebay
The Verizon E4 Plus works fine for me after unlocked. Tested with both AT&T and Tmobile with no issues. I purchased yesterday at Target for $99 and requested $2 unlock code yesterday. Got code this morning and it works great.
For some reason the device automatically drops to 3G when making or receiving calls. However voice quality is good if not HD.
Overall this is a pretty strong device for under $100...shame is you cant unlock bootloader.
Here's a video showing receiving call and dropping to 3G.
After putting my Cricket sim card in, entering unlock code, and setting up the phone, I followed the "trick" so phone calls would stop dropping to 3G and stay on 4G LTE but it would not work. I tried the following:
1. Change to 3G, made a call, change to LTE, made a call and it still dropped/showed 3G
2. Change to 3G, made a call, and restarted phone. Change to LTE, made a call and it showed 3G still
3. Change to 3G, made a call, and restarted phone. Change to LTE, restarted phone, made a call and it showed 3G still.
The Cricket APN is set correctly as I see 4G LTE when not in a phone call. I am able to make/receive calls, sms, mms (for mms had to use Textra over the default Message+ app).
Any other ideas I can try to get phone calls to be on LTE?
zero2duo said:
After putting my Cricket sim card in, entering unlock code, and setting up the phone, I followed the "trick" so phone calls would stop dropping to 3G and stay on 4G LTE but it would not work. I tried the following:
1. Change to 3G, made a call, change to LTE, made a call and it still dropped/showed 3G
2. Change to 3G, made a call, and restarted phone. Change to LTE, made a call and it showed 3G still
3. Change to 3G, made a call, and restarted phone. Change to LTE, restarted phone, made a call and it showed 3G still.
The Cricket APN is set correctly as I see 4G LTE when not in a phone call. I am able to make/receive calls, sms, mms (for mms had to use Textra over the default Message+ app).
Any other ideas I can try to get phone calls to be on LTE?
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mine also drops to 3G. nothing can be done about it.
guest_2011 said:
mine also drops to 3G. nothing can be done about it.
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Hmm...someone on Slickdeals replied to me saying for Cricket, to get "HD-Voice", you need compatible Cricket phones, which the Moto E4 Plus clearly isn't --> https://www.cricketwireless.com/support/apps-and-services/hd-voice/customer/compatible-phones.html
Not a big deal about having phone calls drop to 3G. I was just curious because people and the wiki mention to do that "phone 3G/LTE" workaround.
I can't add any APN. On the Settings, I get a message "Access Point Name settings are not available for this user". There is no way for me to add any APN. Mobile Data works on my T-Mobile SIM.
Edit: Never mind. My bad. I was juggling two of these phones and only one of them had a SIM card. The one with the SIM card allowed me to add an APN.
But I wonder now how this is going to work when I travel abroad and have to use a SIM that would roam across multiple networks. I'd have to add each one manually? Without knowing which networks are available?
Phone(verizon e4plus ) took an ota while on att sim (was sleeping didn't notice til now ) now I only get busy signal tone when I call out I still have not and text messages just can't call out again without that dial tone happening
Is anyone else experiencing this issue with no wifi calling or incoming text messages or phone calls. I can't figure out how to get it to work with verizon.
js2shanks said:
Is anyone else experiencing this issue with no wifi calling or incoming text messages or phone calls. I can't figure out how to get it to work with verizon.
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There are several threads discussing this already. You will have to call Verizon and get a tier 2 tech person to enable CDMA_LESS provisioning on your phone. There is no Wifi calling for Verizon or AT&T.
I currently have the international variant of one plus 8 pro. I live in NYC where we also have 5g (finally!) On the T-Mobile network. I turn on the wifi calling and for some reason when I make a phone call, lte + wifi calling on, the other person can head me but I can't hear them. Then when I turn off the wifi the call drops. If I make the call again the other person can then hear me and I can hear them. Help?
Phone is rooted if any fixes exist that I need to push.
IGKID said:
I currently have the international variant of one plus 8 pro. I live in NYC where we also have 5g (finally!) On the T-Mobile network. I turn on the wifi calling and for some reason when I make a phone call, lte + wifi calling on, the other person can head me but I can't hear them. Then when I turn off the wifi the call drops. If I make the call again the other person can then hear me and I can hear them. Help?
Phone is rooted if any fixes exist that I need to push.
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This is interesting, I have the same phone not rooted, on Verizon. I don't have the Volte switch and the Wifi calling switch will not stay on. Plus the Calling preference will not lock on, stays off
Mine locks, stays on I can even make calls but can't hear the other person
Im having the same issue. First call i hear nothing. But second call is ok.
I got a new sim card today. Let's see if that makes a difference. Some calls go through okay some don't. Really random
IGKID said:
I got a new sim card today. Let's see if that makes a difference. Some calls go through okay some don't. Really random
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OP has to work on this, ,my Pixel 2xl could make great calls even in Airplane mode
Just talked to a Verizon agent-
Verizon Agent-
You said you have an One Plus in which you are facing the issue of wifi calling.I am apologize for the inconvenience as this feature is not supported in your device.