11-23-2014 07:34 AM
41 12
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  1. k72's Avatar
    I had to do a hard reset on my phone and I could call and do a regular text but no picture messages. I updated to the latest preview update and it fixed it.
    Guytronic likes this.
    08-25-2014 11:02 AM
  2. MBY's Avatar
    Does this mean that WP 8.1 with GDR1 will allow WiFi calling to fully function again? (And I refer to send and receive call and SMS+MMS as full functionality.)

    That would be great, especially given the "later this year" news we recently heard about Cyan OTA with TMo!
    08-25-2014 01:43 PM
  3. metalchick719's Avatar
    I had to do a hard reset on my phone and I could call and do a regular text but no picture messages. I updated to the latest preview update and it fixed it.
    Picture messaging won't work on Wi-Fi Calling because it relies solely on data.
    08-25-2014 01:51 PM
  4. Ordeith's Avatar
    Picture messaging won't work on Wi-Fi Calling because it relies solely on data.
    Which is weird because WiFi calling relies on the phone having some kind of data access. You would think they could route MMS in a similar way.
    08-25-2014 02:19 PM
  5. MBY's Avatar
    That's strange. My wife sent me a picture message while we were both on WiFi calling and I got it. The message did seem a bit different than usual in that it said something about receiving data. I guess it could be that it actually went through Messenger instead? Both on 521 and WP8.
    08-25-2014 07:31 PM
  6. k72's Avatar
    Picture messaging won't work on Wi-Fi Calling because it relies solely on data.
    Actually, it does. Prior to my reset, and now that I've updated, I send and receive picture messages all the time with Wi-Fi calling on and my data switched off. That's why I love it so much.
    Guytronic likes this.
    08-25-2014 08:27 PM
  7. metalchick719's Avatar
    Actually, it does. Prior to my reset, and now that I've updated, I send and receive picture messages all the time with Wi-Fi calling on and my data switched off. That's why I love it so much.
    Really? That's news to me. Must be a new thing. I haven't used Wi-Fi calling on my 925 in a long time, but I'll have to give it a try. So, picture messages actually load in your texts immediately without having to click on a link or anything?
    Guytronic likes this.
    08-26-2014 07:57 PM
  8. k72's Avatar
    Really? That's news to me. Must be a new thing. I haven't used Wi-Fi calling on my 925 in a long time, but I'll have to give it a try. So, picture messages actually load in your texts immediately without having to click on a link or anything?
    Yup (assuming it doesn't have that bug). It's so nice to have on at home while I'm more likely to be texting because I can save on data. You should definitely give it a try.
    Guytronic likes this.
    08-26-2014 10:06 PM
  9. metalchick719's Avatar
    Yup (assuming it doesn't have that bug). It's so nice to have on at home while I'm more likely to be texting because I can save on data. You should definitely give it a try.
    Well, I just gave it a try a few minutes ago, but sadly, it didn't work for me. Picture messaging and even regular text messaging refuses to work on my end. I even had to reboot my phone to get the calling app back to "T-Mobile" as it was stuck on "Wi-Fi Calling" even after I turned the feature off. I'm not liking the update Wi-Fi Calling got last week at all. It's super sloooooow when you try to turn it on or off.
    08-27-2014 05:40 PM
  10. Paul Verizzo's Avatar
    Funny how this popped up, just now. Old topic.

    Background: I used WFC back when it was prehistoric, a new service, 2007. I've had several phones with it all with different levels of success. You see, in the early days, all WFC ability was built into the hardware; from the Nokia 6086 - have a friend that still uses his as his main phone! - to the E73, all in the hardware. Along the way, it was figured out how to do it in the firmware, witness Android around v2.4. I've never seen the firmware versions as reliable as the hardware, and that has nothing to do with hand offs. A hardware phone will hand off in both directions (mostly!) WFC to cellular and back, generally seamless. Firmware updates is how TM got WFC into the 521 and other the phones after the fact via updates.

    Firmware WFC can't do this, at least to the best of my knowledge. No hand offs. And that's how you can tell what phone has what.

    Fast forward: I've been using a Lumia 810 but I wanted WFC and LTE. So now I have two 925's and I have discovered what the OP did in April. I cannot send SMS while on WFC. It immediately gives me an error message. I have to turn off either WFC or wifi to send it. What is most strange is that SMS uses voice frequencies, it has nothing to do with data service. Witness my no data TM SIM, SMS no problem.

    MMS does require data service, regardless of wifi or over the air.

    So, I've not aborbed the following link yet, but it does appear that Lumia's/WP do have an ongoing issue with this: Nokia Lumia 521 Wi-Fi Texting - Microsoft Community

    If indeed, all this is the case that it appears to be, MS should be ashamed of themselves.
    08-27-2014 06:18 PM
  11. k72's Avatar
    Funny how this popped up, just now. Old topic.

    Background: I used WFC back when it was prehistoric, a new service, 2007. I've had several phones with it all with different levels of success. You see, in the early days, all WFC ability was built into the hardware; from the Nokia 6086 - have a friend that still uses his as his main phone! - to the E73, all in the hardware. Along the way, it was figured out how to do it in the firmware, witness Android around v2.4. I've never seen the firmware versions as reliable as the hardware, and that has nothing to do with hand offs. A hardware phone will hand off in both directions (mostly!) WFC to cellular and back, generally seamless. Firmware updates is how TM got WFC into the 521 and other the phones after the fact via updates.

    Firmware WFC can't do this, at least to the best of my knowledge. No hand offs. And that's how you can tell what phone has what.

    Fast forward: I've been using a Lumia 810 but I wanted WFC and LTE. So now I have two 925's and I have discovered what the OP did in April. I cannot send SMS while on WFC. It immediately gives me an error message. I have to turn off either WFC or wifi to send it. What is most strange is that SMS uses voice frequencies, it has nothing to do with data service. Witness my no data TM SIM, SMS no problem.

    MMS does require data service, regardless of wifi or over the air.

    So, I've not aborbed the following link yet, but it does appear that Lumia's/WP do have an ongoing issue with this: Nokia Lumia 521 Wi-Fi Texting - Microsoft Community

    If indeed, all this is the case that it appears to be, MS should be ashamed of themselves.


    I bought a 635 last month. It came with 8.1 and cyan. Wi-Fi calling would not enable at first, called T-Mobile, they did something and it was fine. I used it for calling, SMS, and MMS with Wi-Fi calling enabled and no data - my data stays turned off unless I am using it. I installed the GDR1 update, phone still worked fine, and I could send SMS, MMS, and make calls over Wi-Fi calling, with data switched off.

    Jump ahead to a silly incident of mine that resulted in a factory reset - phone was just as it was when I bought it, but it still had GDR1 update. Wi-Fi calling would work for calling and SMS but not MMS. To receive or send an MMS, I not only needed data turned on, but I also had to turn Wi-Fi completely off (not Wi-Fi calling, but all Wi-Fi), which makes no sense at all, and was obviously separate from anything to do with Wi-Fi calling.

    After installing the latest update from the developers preview, MMS works flawlessly again over Wi-Fi calling with data turned off.

    In regard to MMS needing data, it does NOT need a data connection if you are using Wi-Fi calling.

    However, it does appear that something is wrong with the messaging. Hopefully they will fix it soon.
    Guytronic likes this.
    08-28-2014 12:01 AM
  12. MBY's Avatar
    Well, it seems like the current WiFi calling experience with the DP is probably no worse than on WP8. This was one of the main things holding me back from getting the DP so I will definitely consider it now. Just wish TMo would get with the Cyan program already!
    08-28-2014 11:30 AM
  13. metalchick719's Avatar
    Well, it seems like the current WiFi calling experience with the DP is probably no worse than on WP8. This was one of the main things holding me back from getting the DP so I will definitely consider it now. Just wish TMo would get with the Cyan program already!
    I have to completely disagree with you there. Before I updated my 925 to 8.1 via developer program, my Wi-Fi calling worked perfectly. I think they really screwed up, though, especially with the recent update. It takes forever and a day to even turn Wi-Fi calling on or off now!
    08-28-2014 02:08 PM
  14. Paul Verizzo's Avatar
    Guys, WFC is a GSM protocol known as Unlicensed Mobile Access, or UMA. Theoretically, any GSM carrier can provide it. In the US, only TMO and Cincinatti Bell do.

    The fact is, it's not very consistent across phones, wifi networks, and various firmwares. I've seen, over the years of my experience, an almost complete failure for two months with TMO denying it's their issue, and then all of a sudden, people all over America find its working again. This was in 2008. And no one in CS knows anything about how it all works or how to resolve problems. Once upon a time if there was a connection problem, one would receive an error code. Now, it's just a generic statement about "Unknown error." Or, something.

    My philosophy is just accept it as it is. Not perfect by a long shot.
    08-28-2014 10:46 PM
  15. chromoviolet's Avatar
    Found a possible fix. I'm running a Nokia Lumia 521 with Lumia Black.

    I uninstalled the WiFi calling app and rebooted (did not reinstall). Now, the phone still says Wifi calling but I was able to send/receive texts. Will update if it's still working.

    For what it's worth, the WiFi calling app appears to be incompatible with the 521 (if you go to the Windows store and try to download or reinstall, it says "This app is not available on your device").
    11-20-2014 01:25 AM
  16. Inferati's Avatar
    Found a possible fix. I'm running a Nokia Lumia 521 with Lumia Black.

    I uninstalled the WiFi calling app and rebooted (did not reinstall). Now, the phone still says Wifi calling but I was able to send/receive texts. Will update if it's still working.

    For what it's worth, the WiFi calling app appears to be incompatible with the 521 (if you go to the Windows store and try to download or reinstall, it says "This app is not available on your device").
    Are you sure its on black still? Do you have your extras + info updated? I'm asking because perhaps you got the cyan update but your settings page hasn't been update. Since T-Mobile recently released the cyan update. That enabled our WiFi calling once again. 😊
    11-23-2014 07:34 AM
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