Phone Call Problems - T-Mobile HTC One (M7)

I am having trouble with phone calls. Whenever I am in an area or using wifi calling, my phone doesn't dial properly yet my contacts can receive a phone call like normal, in other words, it is a weird way how things dial and then my phone sounds like the speaker is on when it's not and then when I turn it on, the speaker sounds lower than when it was off. Help please?

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Problems receiveing calls

Several times when I have received a phone call, I try to answer it, and the ringing stops, and the caller is sent to voicemail.
I don't think I'm doing it wrong, slide down bar to answer call etc. A friend said it was ringing at his end for about 40 seconds, but i only heard it for about 5?! There have been times where I see my phone light up as a call is coming in, but it doesn't ring, and I can't answer the call. I'm expecting some important calls, and don't want to not answer them.
Could it be that the processor is being overwhelmed, and not allowing me to answer/phone not ring. Or is it a fault with the phone, or me?!
1) I have had similar problems.
2) If you do hear or see it ringing, swiping down on the lower 1/4 of the screen seems to work for me. That is, if I swipe down like I normally do to unlock the screen, it won't answer the call. If I swipe down only on the bottom portion of the screen it works ok.
similar problem here. I wonder if you swipe too big, does it pull the lock screen down, and bump the ignore/send to vmail button somehow. not sure why, but its happening to me and it sucks! missed the last 3 calls today bc of it. makes it hard to run a business thats for sure!
I use a phone service that diverts calls simultaneously to my landline and mobile and my landline often gets 2 or 3 rings in before the Hero's trackball starts to flash (although once yesterday they did both manage to ring at nearly the same time). Some of the delay is the mobile network finding the phone, but the phone does seem to take a long time to respond to the incoming call.
One option is to extend the length of time before calls are diverted to voicemail. At http://www.cellular.co.za/gsm_hash_code.htm is a list of GSM Network Codes, which includes, towards the bottom, one for extending the period before calls go to voicemail. It looks like the maximum is 30 seconds. I don't know if there is an equivalent for non-GSM networks.

[Q] No incoming calls

I've had the Galaxy S2 for about 2 months now without any problems.
As of last Friday, I can't receive incoming calls. People who try to call me hear one beep and then they get my voicemail.
Outgoing calls work just fine, as does SMS (incoming and outgoing).
I've put my T-Mobile SIM in another phone and then it is able to receive a call. Another SIM in my phone -> same problem: no incoming calls.
So I figured it must be the phone.
Customer support has started an investigation but that can take up to 1 week, so I thought let's ask XDA.
Can it be a simple setting that I've accidentally changed? Pretty often when I take my phone from my pocket, the screen is unlocked so that could be a cause.
If anyone has a clue or an identical situation, please let me know.
Zjoske said:
I've had the Galaxy S2 for about 2 months now without any problems.
As of last Friday, I can't receive incoming calls. People who try to call me hear one beep and then they get my voicemail.
Outgoing calls work just fine, as does SMS (incoming and outgoing).
I've put my T-Mobile SIM in another phone and then it is able to receive a call. Another SIM in my phone -> same problem: no incoming calls.
So I figured it must be the phone.
Customer support has started an investigation but that can take up to 1 week, so I thought let's ask XDA.
Can it be a simple setting that I've accidentally changed? Pretty often when I take my phone from my pocket, the screen is unlocked so that could be a cause.
If anyone has a clue or an identical situation, please let me know.
Click to expand...
Click to collapse
Does your phone ring when a call comes in and also does it go straight through to your voicemail?
daleski75 said:
Does your phone ring when a call comes in and also does it go straight through to your voicemail?
Click to expand...
Click to collapse
Straight to voicemail. But I've figured it out after 3 days
There's an option to automatically block all incoming calls in the settings. Must have accidentally been activated when the phone was in my pocket.
daleski75 said:
Does your phone ring when a call comes in and also does it go straight through to your voicemail?
Click to expand...
Click to collapse
In my case, the phone does not ring when I get a call at all. I have searched hi and low and I cant find a solution. I have rebooted, i have reflashed, I have changed my ringtone and nothing seems to work, please help!!
Hello my girlfriends SGS 2 has almost the same problem it cannot receive calls sometimes even though she can call everyone. The problem seems to fix by itself sometimes and it appears random.
I read that there was a problem with the samsung galaxy s when using 2G/EDGE connection with data activated and the problem was that the user could not receive calls randomly.
Can you confirm that you are using 2G/EDGE connection and Data activated? I am also trying to find the cause of this problem...
Hope my research helps good luck and waiting for your reply. (http://www.samsunggalaxysforum.com/...eive-incoming-calls-and-sms-while-using-edge/)
Later EDIT ---
She also has a vodafone provider but i have the same provider and never had this issue. Also no call filtering is done.
Make sure Call Forwarding is Disabled under Settings- Call- Call forwarding. And also try to delete the Voicemail number if you had set any.
Regards.
it's nothing Call Forwarding is Disabled related it is because of EDGE connection you can't have a sync or internet connection and while "dialing" data receive calls if you want to call anyone the network prioritizes and let's you dial whoever you want but it is not the same thing for incoming calls
^ Went over my head !
had the same problem in a bad 3g/data coverage area. solution was simply to turn data off and the calls started to come through.
turned data back on and now working ok.

[Q] Wifi On causes SGS3 to reject calls (Phone not ringing)

Hi,
I've noticed that on my SGS3, when Wifi is on, the phone isn't ringing at all and the calls are forwarded to my VM. Only after turning the Wifi off, the phone starts receiving the calls.
Did it happen to anyone else here?
I would appreciate any info how to resolve this problem.
Thanks!
no it's strange , meter read anything like this before , take a backup using kies and reset your phone

[Q] Help! No voice call + GPS can't get fix

I just replaced my Verizon S4's camera module. Afterwards no more voice calls. However LTE data and text both work fine. I can also see the signal bars and they are just as strong as before. If I make a call no dial tone no sound but it will say "dialing..." for several seconds before "hanging up". No calls are actually sent to other phones. When someone calls it, phone won't react at all. It's as if the voice call feature is completely gone. Yet sms and data are both fine. Speaker phone, headphone, microphone and vibration also work. Also GPS won't get a fix now - it will keep searching forever until I turn it off. I wonder if it's related to the no-call issue? What part(s) did I accidentally break during the repair process? If I knew what went wrong I can probably find replacement for it. So far everything else works. Please help!

Incoming and outgoing phone calls issue

Hello everyone,
I just bought this phone, set it up, very happy with it. The problem is that sometimes I can't receive phone calls or call people. After a little while I can. Then while in the middle of a phone call, strange noises start and I can't hear the other person and call gets disconnected.
My provider is MetroPCS.
Thank you

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