[Q] Missing incoming calls - One (M7) Q&A, Help & Troubleshooting

I have the 64GB One DE which I am using on AT&T's network. Yesterday, I was in an area of weak signal and I apparently missed 2 important calls. They did not register as missed calls nor were they in the call history log. I remember something similar happening to my HTC One X + and the solution was to dial *#*#4636#*#* and select USA Band. Should I do the same here or leave it at the default of GSM/WCDMA/LTE auto where it is now? If no one knows for sure, I guess I can just toggle between both and see what happens.

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Can't make calls

For some reason I can't make calls. I'm using the stock dialer on a stock rooted ROM (see sig).
I dial a number and it looks like it's working (the call timer starts counting and what not) but it never actually calls. Just silence.
I haven't been able to test receiving calls yet but I did at least get some missed calls earlier when I was away from my phone (it was when I tried to return those calls that I discovered this problem).
I'm on Verizon. I have LTE set as my "Preferred Network Type" in Cellular Settings. Data works fine in both LTE and 3G areas. Texts work fine. Just calling seems broken.
Had anyone seen or heard of this? I searched this forum but didn't find anything.
poor connectivity on WIFI network on nexus 6
I also face the problem if not able to make/receive calls when WIFI network is activated.
demarcmj said:
For some reason I can't make calls. I'm using the stock dialer on a stock rooted ROM (see sig).
I dial a number and it looks like it's working (the call timer starts counting and what not) but it never actually calls. Just silence.
I haven't been able to test receiving calls yet but I did at least get some missed calls earlier when I was away from my phone (it was when I tried to return those calls that I discovered this problem).
I'm on Verizon. I have LTE set as my "Preferred Network Type" in Cellular Settings. Data works fine in both LTE and 3G areas. Texts work fine. Just calling seems broken.
Had anyone seen or heard of this? I searched this forum but didn't find anything.
Click to expand...
Click to collapse
Are you on the 98r radio? That's the one that ships with the Verizon branded Nexus devices and is different from the radios in the other 5.1 builds.
demarcmj said:
For some reason I can't make calls. I'm using the stock dialer on a stock rooted ROM (see sig).
I dial a number and it looks like it's working (the call timer starts counting and what not) but it never actually calls. Just silence.
I haven't been able to test receiving calls yet but I did at least get some missed calls earlier when I was away from my phone (it was when I tried to return those calls that I discovered this problem).
I'm on Verizon. I have LTE set as my "Preferred Network Type" in Cellular Settings. Data works fine in both LTE and 3G areas. Texts work fine. Just calling seems broken.
Had anyone seen or heard of this? I searched this forum but didn't find anything.
Click to expand...
Click to collapse
what if you turn on your speaker?
nevermind, the ops post is from jan 14th, and someone brought up this thread again. people, this post is before the 5.1 update came out. let this thread die.

cant receive and make calls when connected to LTE

I just bought my note 5. Its the dual sim version. So the first few days was days.... i started having difficulty with making outgoing calls... texts are fine... its like 1 out 10 calls would push through. So i rebooted my phone thinking that it might resolve the issue....unfortunately it did not. Then a few friends sent me a message that theyve been trying to call me and it always says im out of coverage are... the whole time this was happening I was connected to LTE. When i changed my mobile network setting to 3g/2g .... then calls came in and went out. Has anyone have the same issue with note 5?
The international versions don't have VoLTE enabled. Not sure how to enable it. Mine also doesn't have WB-AMR (HD Voice) enabled either.
Thus, calls need to be switched through the HSPA network and can't be routed while connected to LTE. Essentially when making a call your phone switches and tries to register on HSPA, quickly.

A little help please

Hey guys so I am new to the forums and I am having an issue. I am on the latest developer preview and it is rooted but when I call out I have no dial tone and I can't hear anything. The permissions are all set for the dialer and contacts and when I am off Wi-Fi I do have LTE signal and my texts to come through and said but the dial tone for calling. If anyone can help me that would be amazing. I am on the Verizon network in the United States in case anyone was wondering
soateufel said:
Hey guys so I am new to the forums and I am having an issue. I am on the latest developer preview and it is rooted but when I call out I have no dial tone and I can't hear anything. The permissions are all set for the dialer and contacts and when I am off Wi-Fi I do have LTE signal and my texts to come through and said but the dial tone for calling. If anyone can help me that would be amazing. I am on the Verizon network in the United States in case anyone was wondering
Click to expand...
Click to collapse
Honestly I am a bit confused.
There isn't any Dial Tone, when a cell phone is used. You dial the number, or select the contact, you wish to call and tap the Call or Send button.
If, however, you are talking about the ring out tone that is heard when you are calling someone, then that is a somewhat common problem, that happens occasionally. It is usually caused by the cellular connection being weak between and the person who are calling.
I actually fixed this by flashing just the radio image through TWRP and just to make sure I didn't have any freezes or boot loops I reflash the bootloader as well

Signal drop upon placing call - XT1095 on H2O

I recently changed to H2O, which is an AT&T reseller for those who are unfamiliar, and I'm having a very peculiar problem.
When I go to make a call, as soon as I tap the green button to make the call, sometimes my signal drops to 0 bars and I can't make the call. Sometimes this happens repeatedly and it's impossible to call anyone. But sometimes the call will go through after the 2nd, 3rd, or 4th try. However, sometimes it drops to emergency calls only after the call fails, or sometimes it drops to no service.
Additionally, when I go to change the conditional call forwarding under dialer - settings - calls - call forwarding, as soon as I tap call forwarding, the signal bars vanish and I get a call settings error. This happens almost all of the time. And again, sometimes it will drop to emergency calls only, or a several times I've had it drop to no service.
When I give up trying to make a call or change call forwarding settings, the signal strength will return after a minute or so, which is currently fluxuating around -112 dBm 28 asu, -116 dBm 24 asu, 110 dBm 30 asu. Not sure what any of that means though.
Frequently, incoming calls do not reach my phone. Often I'll get a text message asking me why I'm not answering my phone, but it never rang. There's no indication that my phone was out of service as there is always at least one bar.
I can send text messages with no problem at all. My data also works just fine. In fact, one of my friends gave up calling my phone number and instead calls me on WhatsApp because that's the only way he can get a hold of me. He would call my number, have it fail, and then immediately call me on WhatsApp and that goes through because my data doesn't usually have any issues.
I've tried changing APN settings according to different information I got from H2O. I've tried changing the preferred network type to 3G and 2G. Changing to 2G seems to help my ability to make calls, or maybe it just seemed that way. I've contacted H2O numerous times about it. They opened multiple tickets on it and finally said that there's no problem on their end getting service on that sim card. I sorta verified this because the sim card doesn't display this problem in my 1st gen Moto X, an XT1053.
Two other people in my house are on the AT&T network, one on Cricket with a Galaxy S6 (G920AZ), and one on H2O with a Galaxy S3 (T999) and they never have any issues here at home or elsewhere.
My phone is an XT1095 pure edition. I run stock 6.0, 24.11.18.victara_tmo.tmo.en.US, kernel 3.4.42-g389e46b, rooted, TWRP, with no apps that modify call behavior except Google Voice which is set to never use GV to make calls. This phone worked flawlessly on several different T-Mobile resellers. I'm about to switch back to another T-Mobile reseller but I thought I'd post here about this strange issue first because I don't want to always be limited to the T-Mobile network.
Any advice or input is greatly appreciated.

Anyone using this phone in South Korea?

I just got to South Korea and signed up for the Korean service KT. The data plan works fine (4G+) and I can text however calls are not being placed or received.
After about a minute of initializing a call, it just ends it. With no tones or other messages. I cannot receive calls either.
It is in SIM slot 1, and in the secret dial pad menu I am set to LTE, CDMA, UMTS auto (PRL).
Anyone else have this issue? I will try to resolve with KT as well, however.
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Disregard, I figured it out. Mod can delete this thread.

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