12-01-2015 12:57 PM
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  1. Ry's Avatar
    I'm sorry. I know this sounds rude and I really don't mean it to, but what's your point? Is there a nicer way to ask this question? Lol

    We were talking about T-Mobile asking OEMs to disable band 12 on their phones when they can't make a VoLTE call. I understand when it does support VoLTE on band 12, there's no issue.
    Here's the issue.

    If the phone was only on Band 12 it would look like it would have reception because it does. Without VoLTE, the call would fail because it wouldn't have GSM (800? 850?) to fall back on. Thus 911 call would fail and that's a safety issue.
    co.ag.2005 likes this.
    09-15-2015 06:52 PM
  2. Channan's Avatar
    You're really reading too far into this. The phone having a bug where it prevents ALL phone calls by using band 12 (including 911) is what would be the big issue. The law is for the carriers -- You're comparing a phone manufacturer versus a carrier.

    The phone manufacterer has to build the radios and the carriers cannot control them in that case. They can say "You must have this to work with us" but they can't force Samsung to put the phone on their network (let's say Verizon in this case) but they CAN control if a phone is allowed on the network (such as if you pay your bill or not). They just have that extra thing due to the law of "You must allow any phone dialing 911 onto your network if it tries".
    So you're saying if the Moto X was on band 12 and couldn't place a VoLTE call on that band, it wouldn't even attempt to switch to another technology (3G, edge, etc.) or another network?

    If that's the case, and it's a bug with the phone, how could T-Mobile be blamed for that? And why would they care? They don't even sell the phone.
    09-15-2015 06:54 PM
  3. Ry's Avatar
    So you're saying if the Moto X was on band 12 and couldn't place a VoLTE call on that band, it wouldn't even attempt to switch to another technology (3G, edge, etc.) or another network?

    If that's the case, and it's a bug with the phone, how could T-Mobile be blamed for that? And why would they care? They don't even sell the phone.
    It boils down to this - if you want Band 12 LTE in the US, all OEMs will have to go through T-Mobile's VoLTE certification. Even if you're selling an unlocked device.
    09-15-2015 06:56 PM
  4. Almeuit's Avatar
    So you're saying if the Moto X was on band 12 and couldn't place a VoLTE call on that band, it wouldn't even attempt to switch to another technology (3G, edge, etc.) or another network?
    Yes. This is what we have been saying the whole time -- That is the issue... it is bugged and it will not drop down to HSPA for the call therefore you wouldn't be able to make calls at all. To 911, your mom, your gf, etc. -- No one and since you couldn't that means it would violate laws and T-Mobile isn't going to do that and get fined (hence why they care).

    I have read around that there will eventually be a VoLTE update for us on T-Mobile which means Motorola and T-Mobile will have to be working together to get the phone VoLTE Certified for T-Mobile.
    09-15-2015 06:57 PM
  5. Channan's Avatar
    Here's the issue.

    If the phone was only on Band 12 it would look like it would have reception because it does. Without VoLTE, the call would fail because it wouldn't have GSM (800? 850?) to fall back on. Thus 911 call would fail and that's a safety issue.
    Got it. I didn't know it wouldn't even attempt to switch to another type of network.

    So is the issue that the Moto X doesn't support VoLTE on band 12, it doesn't work well, or just that T-Mobile hasn't certified it yet?
    09-15-2015 06:57 PM
  6. Ry's Avatar
    Yes. This is what we have been saying the whole time -- That is the issue... it is bugged and it will not drop down to HSPA for the call therefore you wouldn't be able to make calls at all. To 911, your mom, your gf, etc. -- No one and since you couldn't that means it would violate laws and T-Mobile isn't going to do that and get fined (hence why they care).

    I have read around that there will eventually be a VoLTE update for us on T-Mobile which means Motorola and T-Mobile will have to be working together to get the phone VoLTE Certified for T-Mobile.
    And it won't look for a non-T-Mobile GSM or HSPA connection because it sees that T-Mobile is available on Band 12.
    Almeuit likes this.
    09-15-2015 06:59 PM
  7. Ry's Avatar
    Got it. I didn't know it wouldn't even attempt to switch to another type of network.

    So is the issue that the Moto X doesn't support VoLTE on band 12, it doesn't work well, or just that T-Mobile hasn't certified it yet?
    The issue is Motorola hasn't gone through or yet passed T-Mobile's VoLTE certification.

    Every OEM that wants to use Band 12 in the US will have to go through T-Mobile's VoLTE certification whether or not T-Mobile is selling the phone.
    09-15-2015 07:00 PM
  8. Channan's Avatar
    Yes. This is what we have been saying the whole time
    Nope. That wasn't mentioned a single time in this thread until just now. I just checked. And to add to the confusion...

    If you have a phone with Band 12 on T-Mobile without T-Mobile's VoLTE, you could run into an issue where the phone will show full service but you couldn't call 911 because you could be in a place where you have 700 LTE coverage but out of range of GSM/HSPA.
    This comment makes it sound like band 12 is the only coverage you'd get in this scenario, so no matter what, you couldn't place a 911 call.

    Is there volte on tmo?? If not how are the speeds on it.?

    Posted via the Android Central App
    I don't see an option for it. It just drops to HSPA speeds so basically whatever HSPA speeds you get in the area is what you get while on the phone.
    Then you make it seem like T-Mobile doesn't even have VoLTE for this phone, and the phone will drop off of LTE band 12 for HSPA+ anyway.

    Sorry if I seemed difficult, but this topic wasn't very clear from the beginning. The entire time I just thought you guys were talking about a scenario where band 12 LTE on T-Mobile is the only coverage in an area, and since you can't place a 911 call with that, they disable it completely. I never got the impression band 12 LTE hindered you from connecting to another network that could.
    09-15-2015 07:10 PM
  9. Almeuit's Avatar
    Then you make it seem like T-Mobile doesn't even have VoLTE for this phone, and the phone will drop off of LTE band 12 for HSPA+ anyway.
    I wasn't speaking for band 12 only. I was simply stating there is no VoLTE option for T-Mobile on this phone (band 12 or not).
    09-15-2015 07:19 PM
  10. Ry's Avatar
    This comment makes it sound like band 12 is the only coverage you'd get in this scenario, so no matter what, you couldn't place a 911 call.
    T-Mobile coverage.

    Which I later elaborated - the phone knows you have T-Mobile service thus would try to make a call on T-Mobile's network to 911. It's Band 12 LTE. But if you don't have VoLTE, the call would fail and would not look for another network to make the 911 call on because there is T-Mobile service on Band 12.

    And it won't look for a non-T-Mobile GSM or HSPA connection because it sees that T-Mobile is available on Band 12.
    09-15-2015 07:24 PM
  11. Channan's Avatar
    I wasn't speaking for band 12 only. I was simply stating there is no VoLTE option for T-Mobile on this phone (band 12 or not).
    Okay, so if I understand correctly, the issue is that band 12 reaches further than T-Mobile's other bands. So if you're in an area that only has band 12 on T-Mobile, but great AT&T coverage, the phone will drop LTE since it can't make VoLTE calls on T-Mobile and try to connect to T-Mobile's HSPA+/EDGE/GPRS network, fail, and not even attempt to use AT&T? But by disabling band 12, it will use any network it can find.
    09-15-2015 07:27 PM
  12. Channan's Avatar
    Never mind. It's hard having a conversation with two people because the other responds while I'm still typing.
    09-15-2015 07:28 PM
  13. Ry's Avatar
    Okay, so if I understand correctly, the issue is that band 12 reaches further than T-Mobile's other bands. So if you're in an area that only has band 12 on T-Mobile, but great AT&T coverage, the phone will drop LTE since it can't make VoLTE calls on T-Mobile and try to connect to T-Mobile's HSPA+/EDGE/GPRS network, fail, and not even attempt to use AT&T? But by disabling band 12, it will use any network it can find.
    Yes because it's a lower frequency (700 MHz).
    09-15-2015 07:50 PM
  14. npaladin-2000's Avatar
    Okay, so if I understand correctly, the issue is that band 12 reaches further than T-Mobile's other bands. So if you're in an area that only has band 12 on T-Mobile, but great AT&T coverage, the phone will drop LTE since it can't make VoLTE calls on T-Mobile and try to connect to T-Mobile's HSPA+/EDGE/GPRS network, fail, and not even attempt to use AT&T? But by disabling band 12, it will use any network it can find.
    Not quite, but close. The issue is that it will not drop B12 LTE, that's why it won't even attempt to use AT&T to make the call.

    Unfortunately, until we have a single universal VoLTE standard, this is the sort of thing we may be in for...each carrier using slightly different VoLTE protocols that are just tweaked enough to be incompatible with each other.
    09-16-2015 10:08 AM
  15. joevaracalli's Avatar
    so the word on the street is that the moto x pure edition has band 12 but is turned off due to some bs about t mobile not letting users use band 12 unless the phone supports voice over lte... i can confirm that band 12 is disabled due to the fact i have the moto x next to my s6 and the signal is a significant diffrence in my house i get 4 bars lte with the s6 my moto x pure gets h 3 bars. my question is does any one have information on when motorola will update the moto x pure to support this or if any one knows how to overide it
    09-16-2015 02:51 PM
  16. Almeuit's Avatar
    my question is does any one have information on when motorola will update the moto x pure to support this or if any one knows how to overide it
    Motorola is working with T-Mobile to update the phone so it can support it.
    09-16-2015 02:53 PM
  17. Ry's Avatar
    so the word on the street is that the moto x pure edition has band 12 but is turned off due to some bs about t mobile not letting users use band 12 unless the phone supports voice over lte... i can confirm that band 12 is disabled due to the fact i have the moto x next to my s6 and the signal is a significant diffrence in my house i get 4 bars lte with the s6 my moto x pure gets h 3 bars. my question is does any one have information on when motorola will update the moto x pure to support this or if any one knows how to overide it
    Motorola will turn it on after is passes T-Mobile's VoLTE certification.

    This will be the case for any OEM selling an unlocked, non-carrier phone in the US with Band 12 LTE support.
    Almeuit likes this.
    09-16-2015 02:55 PM
  18. joevaracalli's Avatar
    So here's a bummer band 12 is on the moto x but it's disabled on the mobiles network
    09-16-2015 03:23 PM
  19. joevaracalli's Avatar
    well based on the nexus 6 its gonna be a long wait almost half a year thats the time it took for google to get it through and they have a lot more resources then motorola
    09-17-2015 12:17 AM
  20. Almeuit's Avatar
    well based on the nexus 6 its gonna be a long wait almost half a year thats the time it took for google to get it through and they have a lot more resources then motorola
    It isn't a resource issue .. It is a time issue.
    09-17-2015 02:34 AM
  21. kinggheedora's Avatar
    How do we even know that this is true? The only source I have seen stating this is a single post on some message board. How credible is the guy who made that statement? Who is he that everyone is taking his word on this issue?

    I'm not saying he's lying or anything, i just don't know who he is or why people put weight behind his statement that VoLTE will be released in a future update on the Moto X Pure.
    The Misfit is Here likes this.
    09-17-2015 07:57 PM
  22. Almeuit's Avatar
    How do we even know that this is true? The only source I have seen stating this is a single post on some message board. How credible is the guy who made that statement? Who is he that everyone is taking his word on this issue?

    I'm not saying he's lying or anything, i just don't know who he is or why people put weight behind his statement that VoLTE will be released in a future update on the Moto X Pure.
    It has been said by the Forum Manager for Motorola.

    https://forums.motorola.com/posts/cab8687a11

    No timeline or anything but he said they're working on it.
    09-17-2015 11:26 PM
  23. fourfone's Avatar
    well based on the nexus 6 its gonna be a long wait almost half a year thats the time it took for google to get it through and they have a lot more resources then motorola
    The Nexus 6 was a little different in that it was supported and sold by T Mobile. They said up front that it would support band 12, VoLTE, and WiFi calling, but not at launch. The Moto X is all on Motorola to do. Not sure why they were not ahead of the game here since they had just gone through the same thing with the Nexus 6 . . . .
    09-18-2015 08:30 AM
  24. fourfone's Avatar
    BTW, my Moto X just shipped! 3 weeks early - originally Oct. 8.
    09-18-2015 08:37 AM
  25. Tom in Bristol's Avatar
    Copying my post from a different thread on this topic:

    For some more info on T-Mo and Band 12, here's a link to a map that has click-able points for detailed info:

    Map of T-Mobile's 700 MHz spectrum

    I note that a TV station in Harlan KY ( center of a dreaded red circle) locks me out of Band 12 coverage should my budget ever allow a new Pure.

    09-25-2015 12:06 AM
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