Wifi calling enabled, but not working at all - Android Q&A, Help & Troubleshooting

I'm using a ZTE ZMAX Pro on MetroPCS, and on top of other issues, the wifi calling is being a pain. The phone shows that it's enabled just fine, but when I try to send a text, it immediately tells me it failed. Calls don't even go through. I've tried several reboots, and obviously nothing came of it. I'm just stunned that there's no error messages, no "unable to connect," just the icon in the notification bar that says it's working. Any ideas are appreciated.

Have you registered with the e911 service?

In my experience, I turn off my data coz I am odd like that and that's when I found out I need my data on to receive text. I can send text with data off though. And actually my wifi calling on my phone REALLY works. Unlike on my samsung on5 it always have error messages so I just turn it off.
IF your phone is brand new when you bought it and did not mess with it. Although as far as I have searched there is no root on this phone yet. Then just factory reset. I factory reset mine no problem. Just remember to remove ANY account (especially google) first, before you reset to be VERY safe.

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Occasional No Dial Out/SMS Sending

Hi all,
Looking for a bit of help/advice.
On occasions, probably between 1-3 times a day, when I try to make a call on the Hero, the call appears to look like it is dialing out but it just sits there saying 'dialing' but never connects to the destination which can be any UK number / Orange 150 etc. Either rebooting the phone or leaving it for 10 mins or so fixes the problem, but it does become annoying!
At the same time as this happening, when I try to send an SMS, I get the error 'SMS not able to send' in the notification bar. Again, I have to keep trying and it sorts itself out.
A final problem and I am not sure if it is related or not is I have had numerous people try calling me at various times, my phone doesn't ring or display a missed call, nor do I get a missed call SMS but the person who tried calling me said the line was actually ringing first and then went through to voicemail. I have witnessed this myself by calling my phone, getting a ringing line but the phone doesn't respond?
Any ideas of help would be appreciated. This problem has existed on Modaco Roms 2.2, 2.8 and 3.0 - I'm on Orange UK.
Thanks,
Nick
I have the same problem with the Orange Poland. When I logged on to the 3G sometimes you can not call or send SMS. When I switch to the 2G network problem disappears.
Yeah, it is strange, I have done that too, turn off the 3G to 2G and back to 3G which sometimes cures it, but not all the time.
I've tried various things, made sure the apps aren't closed with Taskkiller or anything like that. There is no specific time or occasion it happens, it just does now and again.
Well I have tried everything. I recieved all the settings from my operator , changed over 10 ROMs and gone back to the original too, i tried what you said to turn 3G off , i reset to factory , i unrooted.....Nothing works for me. I just get "Unable to send". I also tried 4 SIMs from different operators !!!

[Q] Error 16: Switch 694 after S-Off; Phone dysfunctional

I followed Bentenrai's guide to S-Off, Rooting, and Recovery. Internet (both Wi-Fi and 3G/4G data) works, but I am unable to make/receive phone calls or send/receive text messages.
The phone call error occurs after about 2 rings, which says "Error 16 (then in Spanish) Switch 694".
The sms error is: "sms error radio interface resource shortage" with details "cause code:64, error class: 2".
I tried everything from the "Phone does not work after S-Off" thread and was on the phone with 2 Sprint operators for over an hour. The first operator had me update profile and PRL, then had me turn off/pull battery while she did stuff twice to no avail. The second operator (who was mean and treated me like a moron) had me turn mobile networks off and on again, update profile and PRL, and pull battery (yes, she actually wanted me to pull the battery while the device was on; I powered it off first).
Is anyone else experiencing this or has anyone found a solution?
Thank you very much!
Yup, I found the fix. It's really easy! Tell the person to do a "CHLS Refresh", and then restart your phone.
http://forum.xda-developers.com/showthread.php?t=1194460
Thanks! I also just saw the thread in the General section about all the lucky people who achieved S-Off without the error.
I'll call them back tomorrow and report back.
i had the same error after rooting my phone, just try to call any number, and after listen to the message, it will connect you to a sprint rep. they will confirm some information with you and they will tell you that they will reset from their side and ask to turn off the phone for 30 sec and boom, it's a go.
After some thought, I realized both Sprint reps only had me pull the battery for a few seconds. I decided to leave the battery out for about 5 minutes and when I powered back on, I was able to connect to voicemail. I let it stay connected for a bit and then was able to make phone calls and texts. Suddenly, I began receiving Error 67 messages, so I updated profile and PRL. Since then, (knock on wood) everything has been ok. Phew!
Forgot to mention this tidbit of wisdom from the 2nd Sprint rep: She told me my problems with making calls was because there's an outage in my area. I told her that wasn't likely because I was using another Sprint phone to talk to her. She still persisted in saying it was an outage. Yay!
That's it? no other responses to this. My sons phone is a paper weight at the moment. He can't even dial Sprint and nothing else has worked. Anyone have another idea?

Call Forwarding notification won't go away.

So I have an international GS3 and I've tried stock, CM9, AOKP and Paranoid Android and on all of them the call forwarding icon in the notification bar stays there even though I can receive calls on my number. I checked with my carrier and they say call forwarding isn't on. I tried doing a factory wipe/reset to no avail. I'm not sure what else to try and do. I popped my SIM into my old 4S and the call forwarding icon showed up but I can turn it off in the settings but when I put it back in my GS3 it's still there. I tried a different sim card and no issues.
Edit: thanks to this thread I managed to fix this. I just put a number for it to forward to (even though it wasn't actually forwarding to any number) then I disabled it and it's gone. http://forum.xda-developers.com/showthread.php?t=1216643
Did the upgrade to Jelly Bean a few days back, while call forwarding was enabled (not sure if this is what caused it). Now, the "forwarding all calls" notification is always on.
I turn forwarding on and off every day, but the notification doesn't go away. Tried to use an app that uses the MMI code method, tried to remove all the forwarding options and put them back on, no dice.
Going into the settings themselves, everything works as it should, and I can turn forwarding on and off (and it works as expected). It's just the notification
Did everything but wipe my phone. Call forwarding shows up even without a SIM card in the phone.
Any suggestions? Anyone else get this?
mihaelb said:
Did the upgrade to Jelly Bean a few days back, while call forwarding was enabled (not sure if this is what caused it). Now, the "forwarding all calls" notification is always on.
I turn forwarding on and off every day, but the notification doesn't go away. Tried to use an app that uses the MMI code method, tried to remove all the forwarding options and put them back on, no dice.
Going into the settings themselves, everything works as it should, and I can turn forwarding on and off (and it works as expected). It's just the notification
Did everything but wipe my phone. Call forwarding shows up even without a SIM card in the phone.
Any suggestions? Anyone else get this?
Click to expand...
Click to collapse
I have the identical situation - upgrade to 4.1, icon stays on, tried the same things to remove it as you describe, icon never goes away. No help from AT&T or Samsung. I have been unable to find a solution.

lg k7 cannot send or receive messages.

so ive had my k7 for a while now, and every now and again i wouldnt be able to receive any sms messages. i could send them, but i could not receive them. they would all come flooding in at once. today, it stopped working completely. i cannot recieve any messages whatsoever. not even from myself. ive tried to use teh mmi codes, but i always get an error message. when i go to my service providers, i cannot search for any networks, yet if i hit auto connect, it says i am connected to the network. ive even tried putting the sim card into someone elses phone. it would take forever to send the messages, but it would work, and i could receive messages when my sim card was in their phone. i am at a loss and getting kind of desperate. i have even flashed the phone back to its origional state, updated the firmware, yet the issue persists. i don't know if this could affect anything, but just in case it does, i have amplify and ive disabled a lot of the t mobile wakelocks and google play wakelocks. i also have apps2sd, and linked my t mobile app and messages app to my sd card. i dont use the stock messasging app, because whenever i try and use it, it is incredibly slow at sending messages. i live a little over a block away from the nearest cell tower, so connectivity isnt an issue. is my sim card damaged or have i messed something up? any help would be greatly appriceated.

Galaxy S9+ WIFI calling issues?

Hey all, been a long time since I've been down here, but I got a Verizon S9+ last week. Bone stock with latest update. I've had wifi calling issues right from the start. My house has terrible service, so with my old S4 I was almost always on wifi calling at home.
My issues:
It seems totally random. Sometimes it automatically switches to wifi calling no problem, other times it simply won't switch, even though I can't get out a text message or a call. Usually a reboot fixes the problem, but I don't need to be rebooting all day when I'm at home, and I miss calls and texts all the time. In testing, it's switching fine sometimes, and I can run upstairs and into the basement while on a call, and it will automatically switch back and forth. Other times, if it has even one bar of service, it will not switch, even though I can't make calls or send texts.
I have tried network reset, and factory data reset, no joy. Wifi calling is on, and I set "prefer wifi while roaming". If I am in airplane mode, even when connected to wifi, it will not make a call or send a text.
Another odd issue is with a group text. If I send a text to multiple people at once, I get an "invalid address" error.
It seems a lot of people on the internet are asking about issues with wifi calling with the S9's, should I just dump this thing and downgrade to an S8?

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