Calls Not Ringing - Samsung Galaxy S9 Questions & Answers

At least once per day, since the phone came out of the box (March 4th), and continuing after the subsequent update, I get notified of a new voicemail or missed call via my voicemail service but the phone NEVER rang. Nor does the call log show a missed call.
Unbranded, unlocked device purchased directly from Samsung. And generally wherever the phone is sitting when this occurs I have plenty of service connectivity.
Could it be an issue with having the Wifi on? Being as I am on AT&T I cannot use Wifi calling with an unbranded phone, so is that somehow interfering? I get 75-80% of incoming calls, no problem.

Same issue here. Exynos variant in India

Related

Cannot make or receive calls - JASJAR

Hello,
I already receive the device one day ago, but I cannot receive or send calls, I could only receive and made one call, and now I cannot.
It shows phone signal but not GPRS.
I tried with two different valid SIM cards in another phone, in the other phone I can call and receive, with jasjar I cannot.
Have you got in touch with the retailer who sold you it? That would be my first port of call with anything that stops working within the first day.

No incoming call notifications

My phone will switch itself off when in standby mode from time to time and it's a pain in the neck. I don't know if that's related to the main issue.
I can't receive incoming calls for periods of time, but I can still receive voicemail alerts. Yesterday, I was just picking up voicemail after voicemail. On top of this, intermittantly I won't get an incoming phone call notification, just the missed call icon afterwards.
I'm currently running Black 2.0 with Radio 1.38.00.10. Anyone got any ideas?
I suspect your phone is going into HSDPA mode and the network is not letting calls through during that time. I had the same problem on my non-operator bought phone with my provider 3-Sweden until I installed their extended ROM. If your operator hasn't offered a solution, you could try getting HTweakC and turning HSDPA off (this still allows regular 3G connections, which do allow incoming calls regardless).
I have a similar problem...
except mine has gone into this mode of operation permanently.
I'm running Black Satin & a radio ver 1.48 When I receive a call, the signal strength icon drops out & goes searching meanwhile the call is diverted to message box. My outgoing calls work fine as does both out & incoming SMS messages. I've tried changing swapping my sim card but it still does it with the different Sim. I've tried reflashing the roms & hard booting but the problem persists. I don't know whether this is a hardware issue or whether the firmware isn't working correctly with my operator vodafone NZ

My phone won't make calls...

Starting some time last night, my phone will now refuse to make calls.
I go to the call screen, type in a number/select a previous/find a contact/whatever, and it will go to the screen where it dials, but will then flash back to the call screen and exit itself out of the call screen quickly as well.
I've tried restarting it a few times, turning the phone off in the connections screen (airplane mode/phone/wifi/data/etc) to no avail.
At one point I took the battery out last night because IE locked the phone up on a youtube vid, but other than that, nothing out of the ordinary.
Huh... just had this announcement released at my company...
"AT&T Mobility 3G users unable to place or receive calls this morning
There was an system issue this morning where UMTS customers in the Central Illinois market were not able to place or receive calls. The users may receive call failed on outbound and inbound calls may route directly to vm. "
Guess that explains it.

Not Receiving all calls [i9250]

Hello All, I will start off by letting you know I am running AOKP M3 with the i9250UGKL1 (though this also happened before on the previous stock radio i was using), I am also on AT&T in northern new jersey. I work from my basement and service is pretty weak, 2 bars - 0 bars(though it still says I have service and I can make and receive calls). Before this phone I had a SGS2 I777 which never had a problem like this.
The problem is that sometimes when people call me my phone never rings, and on there end it continues to ring until given my voicemail, normally when I wouldnt have service or something it would go straight to voicemail, therefore the person would realize i was on the phone, or my phone was dead or something, but the problem is the phone rings on the other end yet I recieve no calls, I use google voice and have it set up that when I miss calls google voice sends me an email. So it is very weird, google voice recognizes that the call was missed and went through yet my phone never received the call or even acknowledges it ever happened. I can also call the person back from the same spot the phone has been sitting with no issue, so its not like i dont have service.. Since this is an international unlocked phone, I am assuming it would be pointless in calling at&t and seeing if they could do anything about it, So I am just wondering if anything else is experiencing anything like this or has a solution, its pretty irritating!

Switched to T-Mobile, not able to receive calls from certain numbers

So far I have only received calls from my mom, who also switched to tmobile (both numbers are on the same account). No other calls from non t-mobile numbers have gotten through.
My phone is unlocked and I'm running OctOS N on it. Not sure what to do.
Same problem on a stock ROM?

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