WiFi calling to cellular handoff - Nexus 6 Q&A, Help & Troubleshooting

I'm finding that when I'm on a WiFi call and leave the house, the phone dosent switch to cellular. The phone drops the call and I have to call the person back. Is there any setting to enable smooth handoffs or is this an inherent issue with WiFi calling?

goinflyn said:
I'm finding that when I'm on a WiFi call and leave the house, the phone dosent switch to cellular. The phone drops the call and I have to call the person back. Is there any setting to enable smooth handoffs or is this an inherent issue with WiFi calling?
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Have you tried going into developer options, and ticking aggressive WiFi to cellular handoff?

I'll give that a try. Thanks

If you are on T-Mobile, I don't think it will do a WiFi-Cellular hand off, will it? I thought T-Mobile still uses IMS technology.
The older wifi calling tech, UMA, does handoffs nicely. The older Blackberrys and Nokias have it.

Enabled the aggressive wfi to cellular handoff and that seems to work now. Thanks.

Related

Phone calls kill my tethering. Any solutions?

So I'm rooted. I'm using 1.4b from this thread
http://forum.xda-developers.com/dro...xt1254-21-44-12-quarkrootwifihotspot-t3064908
I'm noticing that whenever I make a voice call while tethering, it kills my tethering. I've also noticed that when I'm not tethering and I make a phone call, my signal goes from 4G LTE to 1X. I assume these issues are related.
Anyone have a solution?
I could be wrong. But wouldn't this be due to VoLTE?
GSUS969 said:
I could be wrong. But wouldn't this be due to VoLTE?
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Maybe? The thought crossed my mind.
However, I never activated "advanced calling" either through vzw.com or on my phone. In fact, looking at the option on my phone, it's just completely greyed out. Can't select or unselect it.
To simultaneously be on a call and use data you must activate advanced calling. This phone cannot activate more than one antenna at once, so when you call it calls over the 1X signal and has to disconnect from the 4G you're using to tether. If you activate advanced calling it will call over 4G, and therefore allow you to use data as well. It's kind of stupid, but since they got advanced calling fixed it's not so bad.

[Q] Advanced wifi calling T-Mobile M9

I have been told that the M9 does not support advanced wifi calling. I'm not sure about my terminology, but what I mean is that it cannot hand a wifi call off to the LTE/HSPA network.
However I have just finished demonstrating that it does hand off without dropping the call, and to the HSPA network. I had noticed this behavior the other day, but in a discussion in an article on fiercewireless, i was told this is technically impossible.
My M9 is set to wifi calling, wifi preferred, and when I make the call in the driveway, the dialer says "wifi call", the call connects and the phone icon in the statusbar is green, and the phone beeps at me with a message that I'm near the edge of the wifi calling area and the call may drop. I drive away, the call never drops, the beeping/message stop, and the green phone icon in the statusbar becomes white. And I'm connected to "4G", not 4G LTE.
Who told you it didn't support it?
I myself, don't like the feature. Especially when I have little to no service, it'll constantly be searching for service(draining my battery) when I'm connected with WiFi calling.
Hoping it'll be able to be disabled in custom ROMs.
I think the screen name was Fabian and it was in the discussion about Sprint offering the international data like T-Mobile. He seems to be knowledgeable and was adamant that this is not possible. I think he said it's only possible on the iPhone 6. Aside from that, I myself thought it was impossible for a WiFi to hspa handoff, yet this is what I'm seeing.
Hopefully they make it official since it does work
I'm pretty sure I read that this was a new feature. . . I'll look for the source I read this from.
Sent From My HTC One (M8)
It's a new feature with the S810.
Wish it'd give you the option...
just wondering
Have u guys seen the aggressive Wi-Fi to cellular handover setting in developer settings?
not sure what to think I never use Wi-Fi call just thought I'd share. Because it might help those that have calls dropped. Worth a shot to check the box and try.
T-Mobile (re)enabled wifi/cell handoff with Uncarrier 8 several months ago. A decent LTE connection is required for the handoff but nearly every LTE handset can do so (coming to the Nexus 6 Real Soon Now.)
The Sprint person is incorrect, but a their wifi calling implementation is, quite frankly, bizarre, so I'm not surprised at their being clueless over T-Mobile's.
Nothing unique about the HTC One m9's wifi calling except it being on a really great handset.

[Q] VoLTE calling. Any issues?

I've been told that if you activate Verizon's Advanced Calling feature that it only works on VoLTE, and if you are on a call in a 4G coverage area and for example, say you're driving and your coverage area switches to 3G, the call will drop. Has anyone had serious issues with the Advanced Calling feature dropping calls? Is it worth activating this feature or is it better to leave it off until VoLTE technology makes some advances? Thanks in advance for any input!!
I have it on all the time and It seems fine, but yes if it drops to 3G it will drop the call. So if you are on an important call and driving outside a city or somewhere you know it drops to 3G then go into the setting and turn off HD Voice just for that call.
P.S. Just because you enable it on your account doesn't mean it is always on, or needs to be always on. You can change it on your phone.

What cell companies have WiFi calling that works with the Moto Z3 play.

I have a house that gets no cell signal (from any provider, I think), and I just found out ATT hasnt enabled wifi calling on the Z3 play (I think). The house has broadband internet, just no cell signal.
Has anyone successfully used WiFi calling, and with what provider?
Also, are there any other options besides expensive microcell tower boxes? ( Microcells seem like a bad option because the family uses several different cell companies)
Thanks in advance.
Republic uses wifi calling through their app. I use at work where i have no wifi signal.
T-Mobile WiFi calling works.
Yes t-mo is the way to go.
Can anyone confirm wifi-calling is working on Verizon?
grenva said:
Can anyone confirm wifi-calling is working on Verizon?
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I dont find a way with Verizon
T-MOBILE has WI-fi calling.
Sprint does for sure. their Wi-Fi calling takes it a step further, in that when transitioning or leaving Wi-Fi, while on a call, it is a seamless transition. (ie. The call does not drop connection, because it is always connected )

wifi calling works without carrier firmware

I bought a SM-N960U1 unbranded US unlocked model, and I immediately updated it to Android 9. THEN I inserted my T-Mobile sim, and I have wifi calling. I did all of this a few weeks ago, and I never really questioned it all until today.
I'm posting this now because I read that people cannot get wifi calling to work on their unbranded model unless they flash carrier firmware.
And this is what I've found. When I make a call while connected to wifi, I see the little wifi symbol on my phone symbol, as if the call is a wifi call. I have a toggle for wifi calling, which works! If I toggle wifi calling off and make the call again, no wifi symbol on the phone symbol. When I look in settings > connections, I do NOT have items to set wifi calling and VoLTE. However, I can search settings for wifi calling and I will find the Samsung 'Wi-Fi Calling' app (com.sec.unifiedwfc 6.0.33.47) RUNNING!
So, it seems I have wifi calling working on T-Mobile, with just the Samsung stock firmware and not the carrier firmware. Which is great! No carrier bloat.
I just tested my wifi calling by starting a wifi call and then walking out of wifi range, and it definitely works! At the edge of wifi range, the call broke up, handed over to the cell tower, and became noticeably less clear. I'm stoked to have wifi calling without carrier bloat.
I might investigate further if there are some settings I can toggle over adb (wifi preferred, etc)
It depends on the carrier. T-Mobile does support all of its services, including WiFi calling, on the N960U1. Some other carriers do not. Always check with your carrier before buying an unbranded phone.
I also just discovered that toggle button text is CLICKABLE, and I can access Wi-Fi Calling SETTINGS when I tap on the wifi calling toggle's text, which gives me the option to turn on/off wifi calling, wifi/cell preferred.
So I have Wi-Fi Callng, can change settings, all in the stock non-branded firmware of the SM-N960U1.
AWESOME!

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