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Ask HN: Hypothesis: Cellular providers are deprioritizing voice calls?

21 points · 49 comments · tkdb

  1. sinabis · · focus · HN ↗
    I totally agree. Driving on the autobahn and calling someone gets worse and worse. They are decreasing the number of people having a call at once. The Quality with Signal/WhatsApp Audio seems better than cellular.
    1. tkdb · · focus · HN ↗
      I forgot to mention: whatsapp, facetime voice calls, etc... all seem to work fine even when the cellular calls aren't going through. So yes, that matches my experience.
      1. anenefan · · focus · HN ↗
        Australia, regional in Queensland state.

        I've noted similar in the three main networks, where I've suspected the load balancing algorithm for traffic adjusts a setting in regard to cut off on signal strength hasn't been quite set right. Obviously at times dealing with extraordinary use at the time, one expects balancing. One network in my locale a few years ago, it was quite clear it was either over subscribed, techs made a mistake adjusting the algorithms ... or just too many people trying to use that particular one tower, and three people in the same spot could often note the three different states the network could be in, none, unavailable, signal - this existed for many months. The balancing has been tuned up a few times since then. I have found when the network's coverage was spotty for voice calls, one could generally use data to get online albeit as slow rates.

        Recently the main network I'm using (Optus,) I've noted missed calls that went to voice mail, I have not heard the call at all. I have been blaming signal though I don't have it on me (sits outside the window up high) to ensure the phone has good signal. However on data over wifi, the network often drops out for a minute or more at times.

        1. tkdb · · focus · HN ↗
          Interesting. Another detail I should add: in virtually all of the cases where I have the silent missed calls, I have full or adequate service, and can otherwise use my phone. Internet browsing, apps, and as mentioned even wifi calling via whatsapp etc.. works fine.

          Even so, in a scenario where I have missed a call due to spotty service, the expected behavior once I have service again is I see the missed call on my device. That's the aggravating part of this issue: I never know someone tried to call me.

          1. ntlx · · focus · HN ↗
            Exact same thing happens to me, all the time. Verizon user on a traditional post-paid plan, with an iPhone 15 Pro Max, in the Los Angeles area.

            My phone will show as having full service, usually it displays as “LTE” in the top bar while at home whether or not I’m connected to WiFi, as soon as I step outside of my building and head 25 feet in any direction 5G or 5GUW seems to take over.

            It’s strange, I’ve always gotten missed calls over the many years I’ve been with Verizon (over 20) and I’m not entirely sure exactly when I noticed that people were increasingly telling me they called me, while I had zero idea or any way of knowing whatsoever. At best, I’d get lucky and they were one of the rare people still leaving voicemails these days, and an alert might show up for that at some random point.

            It got bad enough that after trying everything else, I even went and picked up one of those “network extender” boxes the carriers have from a Verizon retail store, out of a sense of desperation hoping it might help solve the issue, although I knew beforehand that almost surely it would not. Which was the case, of course.

            I wish I could say I had any idea as to what is actually causing this but all my attempts to pin down the root cause have proven to be a waste of time. A very frustrating waste of time. Worst of all is that as far as I can tell, it isn’t an issue that’s isolated to any single carrier, subcarrier, phone model, physical location, and so on. While there do appear to be some patterns here and there, it’s largely random and I don’t know if certain carriers have this issue worse than others but Verizon is frequently one mentioned. Whether or not that’s due to their popularity, my noticing it more because I use Verizon as well, or because it’s worse with them, who knows? Maybe someone reading this, lol.

            1. tkdb · · focus · HN ↗
              Thanks for taking the time to write this. This was basically my experience with Verizon across several years. As I said, I found T Mobile to be about the same.
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