No se reciben llamadas y los mensajes de textos se demoran

I missed an important anticipated call today. The phone didn't ring, no missed call even though I patiently waited beside the phone. The caller had left a message and I came to know about it an hour later only after I emailed them.

I called T mobil's customer service and they mentioned changing the settings (on their end) so I won't miss call in future but I'm skeptical based on above responses.

This is unacceptable, seriously considering changing the carrier

Just chiming to say that our family is experiencing the same problem. All 3 of us are on the same plan, but only I am experiencing the issue.

Me = Galaxy S7

Wife = Galaxy S9+

Daughter = Some cheap Android

I'm having the exact symptoms described in this thread. My phone reports that it's on the network just fine, but sometimes the calls go straight to voicemail or the texts arrive very late. I can get the phone "back online" by sending a text. Usually the first attempt to send the text fails, and then when I retry the send, my text goes, and then I receive all the texts I had been missing.

I've been having the same problems for a while now. I first noticed it around March and the problem has followed me over from two different Tmobile devices. Many people that I know who have Tmobile have been having the same problems. I called the Tech Center but they were unable to give me a definitive solution other than buying a new Tmobile phone as a possible solution. It still happens seemingly at random. I haven't had any major problems with Tmobile since I switched to them from Verizon, but not knowing whether someone is calling you is a major deal breaker. After many years with Tmobile, I am about ready to give Verizon another try.

Same problems continue here. Wife told me this afternoon she tried to call me twice from a few miles away and it told her I was out of the calling area. Of course, I was sitting at home like usual. That's a variation on going straight to voicemail. Reinforces my thoughts that it's some routing issue where it can't find our phones to give us the call. Would also explain delayed SMS; the message is held til the network can find your phone,

I am going to file a complaint with the FCC. Legere is a good CEO and once he receives some complaints from the FCC, I expect he'll put enough resources on it to get it fixed. Only problem I see is the form has limited categories of problems and ours are not in it. Will try anyway. Suggest others do also.

https://consumercomplaints.fcc.gov/hc/en-us/requests/new?ticket_form_id=39744

Long time customer here and I have had the same issue just yesterday. My wife who is on sprint showed me 12 outgoing calls from her phone to mine and I received no missed calls or voicemails and all the text messages she sent in a 2 hour span came in at the same time. I have had issues where group texts were not coming in and when they do the messages were never in order. Pictures being sent through text (MMS) is a whole other pain point. I have had 4 different devices all suffering the same issues over the span of 3 years now and I've had the sim card replaced so it is highly unlikely that the device is the problem. I'm a loyal customer since the days of voicestream but at this point the money i save compared to having verizon seems like im sacrificing what I need from my carrier.

Sounds like yours may be an important clue. What good are current cell phones with only 2G. I don't think John Legere would crow about "the best 2G network!"

BTW another verified delayed text last night. Usually, it's hard to tell. Got a text at 8:55pm. Considering the sender, thought it was odd and asked when ht sent it. 5:22pm.

Suggest more people contact the FCC as per my previous message. TMO support has been very responsive even if they haven't been able to provide a solution. I suspect that, like in most big organizations, there is a limit on how many resources they can get bring to bear. A little outside shove might help.

Same is happening to my wife's phone (LG G5). The phone will intermittently not receive messages or calls. Reboot usually corrects it and all missing texts get received. On my phone, I've had calls go directly to voice mail with phone having never rung. Is ANYONE from TMO working on this?

I want to thank everyone who took time to post about this issue--what a relief to know I was not an isolated case.  Calls going straight to voice mail, disappearing texts, etc. have been an ongoing problem for me and the 3 other phone lines covered on my plan for months now.  T-Mobile customer service has been polite, helpful, and supportive, cheerfully checking out solutions and even sending out two free cell phone signal boosters for myself and my parents (who are on my plan but live 45 min away).  BUT---NOTHING HAS WORKED!  There has been no resolution.  The final straw was when my mom could not reach my dad to come pick her up after she was finished at the doctor's office.  His phone would just not ring! My last call to T-Mobile resulted in a trouble ticket #20767332 issued Aug 27, 2018.  The tech person ran remote diagnostics on the cell phone and signal boosters and everything checked out.  I was told this was a "network issue' and that it would be referred to their engineers.  I was to allow at least 3 days for review of this ongoing issue but have heard nothing back.  My parents are unable to call me and I am unable to call them because the calls will just not go through.  This is unacceptable---I am paying for a service that is nonexistent. My parents need to be able to get in touch with me during an emergency and I need to be able to reach them to check in.  I have been a loyal TMobile customer since 2007 but I am now choosing to switch to another carrier.  I hope that relating my experience is as helpful to you all as reading about yours was for me.

From a week of experimentation, I can agree with you that the phone returns to an online-like state, where texts and calls from others will immediately appear, by sending a text or a call, whether that be a text/call to yourself or another person. However, the phone remains in that state for varying periods of time, anywhere from around 2 to 6 hours. Then, I would have to text/call in order to return to that state. Otherwise, I would receive delayed texts and fail to receive calls.

At least for my experiments, turning on/off airplane mode or connecting to 4G also returns the phone to that state. I have not tried leaving 4G on or disconnecting 4G to determine if it fixes the issue. I conclude that the phone reconnects to the network in some way from performing these actions.

I have the same thing happen to me. I received an emergency text from my work via Hangouts (my back-up) concerning a closing wrt hurricane Florence. The text on my i-phone via T-Mobile did not show up (my primary alert phone)! I tried calling my i-phone from another phone and it wouldn't ring. Then I called that other phone from my i-phone and it went thru and then the text showed up. With the hurricane approaching, T-mobile needs to clean up their problems with their network! It is not acceptable that people can be reached by phone or text!