Make calls interupt data. - EVO 4G General

My friend tried calling twice while I was using 3G Data, he said he could hear the busy tone. Is there a way I can make calls intercept data with 100% success.

It's something having to do with the way CDMA networks handle data transfer.
You can accept calls and use 4G at the same time, but I'm afraid not with 3G/EVDO.

mcjx said:
It's something having to do with the way CDMA networks handle data transfer.
You can accept calls and use 4G at the same time, but I'm afraid not with 3G/EVDO.
Click to expand...
Click to collapse
I think he ment that when he was using data calls wouldn't come to his phone.

Calls should automatically interrupt data, i've been booted off the internet, and out of multiplayer games due to incoming calls so you might want to call Sprint perhaps something is awry in your settings.

Settings -> Call -> DDTM Mode

AssassinsLament said:
Settings -> Call -> DDTM Mode
Click to expand...
Click to collapse
Just to clarify this, you want to make sure DDTM mode is turned OFF, otherwise you will not get calls while you have an active data connection.
If you can't get a call while starting a data connection, this is unfortunately "normal." In CDMA, the phone has to dial to initiate data... while it's doing this you might miss a call. Always-on data should prevent it from really happening to you, but if you're in a poor service area it may have to keep re-dialing to keep a connection alive.
CDMA just doesn't allow simultaneous voice and data right now.

Now I can't get calls, it gives a busy tone for all calls even with data off. I don't know what is going on. good thing my replacement phone is coming in Tomorrow July 6th.

Plancy said:
Now I can't get calls, it gives a busy tone for all calls even with data off. I don't know what is going on. good thing my replacement phone is coming in Tomorrow July 6th.
Click to expand...
Click to collapse
I've been on Sprint for over 10 years. Using data has never made people hear a busy signal. What should happen is that they just keep ringing till they go to voicemail call Sprint something is wrong.
Sent from my EVO using Tapatalk

donatom3 said:
I've been on Sprint for over 10 years. Using data has never made people hear a busy signal. What should happen is that they just keep ringing till they go to voicemail call Sprint something is wrong.
Sent from my EVO using Tapatalk
Click to expand...
Click to collapse
Sending this one back in a return kit, getting my replacement today, it was shipped Friday.

Related

data connect = incoming calls straight to VM

so i just noticed this today (i have the leaked ROM installed) that when i am using the web or checking my email if someone calls they go straight to my voice mail -- i haven't had the phone long enough to know if this is how it is supposed to be or not. Is there a way to get to cancel the data connection and show me someone is calling?
ikemiller2662 said:
so i just noticed this today (i have the leaked ROM installed) that when i am using the web or checking my email if someone calls they go straight to my voice mail -- i haven't had the phone long enough to know if this is how it is supposed to be or not. Is there a way to get to cancel the data connection and show me someone is calling?
Click to expand...
Click to collapse
Wow -- what a kewl feature!
What phone/provider and rom do you have?
quantumforce1 said:
Wow -- what a kewl feature!
What phone/provider and rom do you have?
Click to expand...
Click to collapse
no, not really, at least not for those of us who use push email, since it maintains a constant data connection to the exchange server
http://forum.xda-developers.com/showthread.php?t=351797&highlight=EVDO
Rudegar said:
http://forum.xda-developers.com/showthread.php?t=351797&highlight=EVDO
Click to expand...
Click to collapse
well i read through that and tried what they mentioned but i couldn't get it to drop the data when a call came in.
btw, i'm on Sprint, and no EVDO where i am at so only 1x.
but as i mention in the thread
"i believe that all issues with cellphone internet blocking or being disabled when one recieve a call is purely an issue
with old and poor quality equipment of the cellphone operator in the area"
many old gsm and aparently american cellphone networks too
suffer from not being able to handle both network and calls at the same time
it's an issue in the operator end not the phones
yeah after three emails with sprint (i think most of their CS people are brain dead) they finally told me that it is how it works, no way around it.
one told me that calls go to voice mail when you don't have enough signal -- totally irrelevent to this issue
one told me it was a technical problem with my phone and said i should bring it to a sprint store to get a tech to look at it
and finally after *****ed at them sayint that people (that i assume) don't work for sprint know more about this (thanks Rudegar for your responces) then they do, they finally just came out and said that, yeah this is how it is and there isn't anyway around it.
it seems that this is a better place to get answers then emailing sprint --- although i should have realized that from the beginning, i won't make that mistake again.
well i guess your question has been answered, but figure id add my 2 cents...
it works like this only in EV-DO areas not on 1x....
my ring through works perfectly fine when a call or text comes in, it discconects allows me to do what i want, then it automatically reconnects back to data..

(Req) App that sends all calls to voicemail

When Im listening to my Pandora internet radio from my G1 in the car, the worst thing I hate is when someone calls me! It stops the music, and sometimes it will start back up right after the call ends, but sometimes it hangs and doesn't want to reload, and I hate being interrupted in the middle of a good song, is there anyway an app can be created that you can turn on (preferably with a widget) that sends everybody's call to the voicemail? Then when im done with the internet radio, I can turn calls back on? I know that it can be done by using call forwarding from settings, but that's too much, I just want a one click app that can do it right away, besides Im on a month to month plan right now (called Flexpay with T-mobile) and call forwarding doesn't work with it.
if one already exists please share...thanks.
Klyentel said:
When Im listening to my Pandora internet radio from my G1 in the car, the worst thing I hate is when someone calls me! It stops the music, and sometimes it will start back up right after the call ends, but sometimes it hangs and doesn't want to reload, and I hate being interrupted in the middle of a good song, is there anyway an app can be created that you can turn on (preferably with a widget) that sends everybody's call to the voicemail? Then when im done with the internet radio, I can turn calls back on? I know that it can be done by using call forwarding from settings, but that's too much, I just want a one click app that can do it right away, besides Im on a month to month plan right now (called Flexpay with T-mobile) and call forwarding doesn't work with it.
if one already exists please share...thanks.
Click to expand...
Click to collapse
Airplane mode?
answr said:
Airplane mode?
Click to expand...
Click to collapse
That would turn off all wireless connection and kill his internet radio..
Well its quite simple to come up with a convenient way to forward the calls straight to VM and deactivate that mode after you are done listening to Pandora.
Tmobile has a series of star and pound codes that allow quick configuration of call forwarding/cancelling call forwarding. You could use the shortcuts to create a one click dial for two different numbers. One to enable the mode "Straight to VM" and one to disable this mode.
This may not be what you are looking for but is definitely an easier way to help you out.
This is your activating number if you are using Tmobile VM system:
**21*18056377249# (Note some may provide the same number except with a "3" where the "9" is at the end, they both should work)
This is your deactivating number:
## 21#
***SORRY! I did not realize you were Flexpay until just now. This would only work for Postpaid accounts. Tmobile just recently started the ability of letting Flexpay customers convert their accounts into postpaid. Your account may or may not qualify to do this and there is no extra charge of course to convert. Contact customer care to check and see if you would be eligible.
Hope this helps.
Klyentel said:
When Im listening to my Pandora internet radio from my G1 in the car, the worst thing I hate is when someone calls me! It stops the music, and sometimes it will start back up right after the call ends, but sometimes it hangs and doesn't want to reload, and I hate being interrupted in the middle of a good song, is there anyway an app can be created that you can turn on (preferably with a widget) that sends everybody's call to the voicemail? Then when im done with the internet radio, I can turn calls back on? I know that it can be done by using call forwarding from settings, but that's too much, I just want a one click app that can do it right away, besides Im on a month to month plan right now (called Flexpay with T-mobile) and call forwarding doesn't work with it.
if one already exists please share...thanks.
Click to expand...
Click to collapse
Call Blocker - Free - you might here it ring once but after it sends the calls directly to voicemail.
set the option to Block Phone numbers or something like that.
Macrophage001 said:
Call Blocker - Free - you might here it ring once but after it sends the calls directly to voicemail.
set the option to Block Phone numbers or something like that.
Click to expand...
Click to collapse
Only problem if it rings once first is that would stop the music for the OP. But thanks I didn't know there was an app like this!
maybe try this
http://www.cyrket.com/p/android/net.geekherd.airplanemode/
oh yeah developer is from here
http://forum.xda-developers.com/showthread.php?t=550470
Sheldonjace said:
Well its quite simple to come up with a convenient way to forward the calls straight to VM and deactivate that mode after you are done listening to Pandora.
Tmobile has a series of star and pound codes that allow quick configuration of call forwarding/cancelling call forwarding. You could use the shortcuts to create a one click dial for two different numbers. One to enable the mode "Straight to VM" and one to disable this mode.
This may not be what you are looking for but is definitely an easier way to help you out.
This is your activating number if you are using Tmobile VM system:
**21*18056377249# (Note some may provide the same number except with a "3" where the "9" is at the end, they both should work)
This is your deactivating number:
## 21#
***SORRY! I did not realize you were Flexpay until just now. This would only work for Postpaid accounts. Tmobile just recently started the ability of letting Flexpay customers convert their accounts into postpaid. Your account may or may not qualify to do this and there is no extra charge of course to convert. Contact customer care to check and see if you would be eligible.
Hope this helps.
Click to expand...
Click to collapse
Thats a great tip^^....I will look into converting, thanks.
Macrophage001 said:
Call Blocker - Free - you might here it ring once but after it sends the calls directly to voicemail.
set the option to Block Phone numbers or something like that.
Click to expand...
Click to collapse
got that app already, and Gblocker, they don't help, calls still get a ring through.
Sleeepy2 said:
maybe try this
http://www.cyrket.com/p/android/net.geekherd.airplanemode/
oh yeah developer is from here
http://forum.xda-developers.com/showthread.php?t=550470
Click to expand...
Click to collapse
this will do right here my friend, Thank's so much!!! gosh...how come I couldn't find this, I been surfing the market back to front, oh well, I knew someone would come through.
Edit: only allows wifi, can't get my edge/2g/3g services,....but ah well that'll do for now, I've found that Pandora loads much quicker on wifi anyway, with my extended battery I can run wifi all day, only thing is Im constantly connecting to the closest signals in range, anyway I could set up unlimited wifi access with T-mobile?

Skype Mobile apk on T-Mo?

Is there any chance the Skype mobile apk file could be modified to work on T-Mo network?
Of course this thread might get the easy answers such as:
1) "No"
2) "It cant be done"
3) "It checks verizon's network?"
... but I'd be happier to hear from experts that know how it actually works/could be done.
Verizon skype apk: http://www.sendspace.com/file/rnwab1
No. It cant be done. It checks verizon's network.
Ok, helpful now... There's no need for Skype mobile.
Using it to call normal phone numbers uses minutes. The only free part is using it to call other Skype numbers. And you can already use Fring or Sipdroid from the Market to do this (AND do VoIP calls to normal numbers), so the Skype mobile app for Verizon is pretty much just crap.
http://www.engadget.com/2010/03/25/skype-mobile-for-verizon-on-android-hands-on-with-wifi-off
Paul22000 said:
No. It cant be done. It checks verizon's network.
Click to expand...
Click to collapse
LoL You Suck!!!
Always great to hear from ya though Paul
ap3604 said:
LoL You Suck!!!
Always great to hear from ya though Paul
Click to expand...
Click to collapse
: P
Check out my second post (we posted at same time)
This might also help: http://www.google.com/support/forum/p/android/thread?tid=264ef8ddf7c82bcc&hl=en
Paul22000 said:
Ok, helpful now... There's no need for Skype mobile.
Using it to call normal phone numbers uses minutes. The only free part is using it to call other Skype numbers. And you can already use Fring or Sipdroid from the Market to do this (AND do VoIP calls to normal numbers), so the Skype mobile app for Verizon is pretty much just crap.
http://www.engadget.com/2010/03/25/skype-mobile-for-verizon-on-android-hands-on-with-wifi-off
Click to expand...
Click to collapse
Yeah your right it is pretty crappy that Skype put those restrictions on it by sleeping with the enemy (Big Red).
I was just going to see if it could work on T-Mo though because then I could get my family members to use it as well and make good quality voip calls like I could on the iPhone version.
SIPdroid is dear to my heart but the quality on outbound calls is pretty unusable for me, inbound is still good though. I tell all my friends that "if you get a call from me, dont pick up and just call me back."
Fring 3g quality was serviceable before but it was laggy (I would say something and the other person would start talking and then mid sentence would hear what I said and it would mess up the conversation). It probably has had some updates though so I will try it out again.
dunno if this helps but i read somewhere today that vonage is coming to tmobile and att with calls over wifi capability.
3 has got this for a long time now (no Android client yet) but the acctual calling is routed using a gsm center, no VOIP at all. I have installed the apk for t-mobile and it almost does the same thing ( it doesn't work outside tm network)
superg81 said:
dunno if this helps but i read somewhere today that vonage is coming to tmobile and att with calls over wifi capability.
Click to expand...
Click to collapse
http://gizmodo.com/5513904/vonage-voip-apps-now-available-for-t+mobile-and-att-android-phones
Just checked the Market. Vonage is there.
It looks like free USA calls, but only over wifi.
-----
[Edit]: I'm reading the app comments and I don't understand, people are saying $5 pay as you go, etc.
So maybe you have to pay $5 a month for "free" wifi calls. I don't get it. Anyone tried it yet?
http://www.cyrket.com/p/android/com.vonage.andrd/
Read the comments here ^.
Is it really free over wifi?
Seems like false advertising.
[Edit]: Just signed up for Vonage -- it DOES work if you sign up using your Google Voice number, hahaha!
Paul22000 said:
http://gizmodo.com/5513904/vonage-voip-apps-now-available-for-t+mobile-and-att-android-phones
Just checked the Market. Vonage is there.
It looks like free USA calls, but only over wifi.
-----
[Edit]: I'm reading the app comments and I don't understand, people are saying $5 pay as you go, etc.
So maybe you have to pay $5 a month for "free" wifi calls. I don't get it. Anyone tried it yet?
Click to expand...
Click to collapse
Thanks for the info you guys! I've made 3 calls over WiFi with Vonage app and the customer service reps say I sound crystal clear
Now for the real challenge boys... Since Vonage can make free domestic calls over wifi. How do we trick the N1, like on jailbroken iPhone's, into thinking its on wifi even if its on 3g?
Edit: The wifi calling is 100% free, dont add any money even if the app asks you for it (just press the back button to get rid of the prompt)
ap3604 said:
Thanks for the info you guys! I've made 3 calls over WiFi with Vonage app and the customer service reps say I sound crystal clear
Now for the real challenge boys... Since Vonage can make free domestic calls over wifi. How do we trick the N1, like on jailbroken iPhone's, into thinking its on wifi even if its on 3g?
Edit: The wifi calling is 100% free, dont add any money even if the app asks you for it (just press the back button to get rid of the prompt)
Click to expand...
Click to collapse
How do you KNOW it was making calls over wifi?
I just signed up and installed it, and no matter what I do, it always calls from my normal phone number, rather than my Google Voice number, which is what I chose during the sign up process.
Also, turning Airplane mode on and then turning Wifi on doesn't let me make any calls. It says disable airplane mode.
Is there a way to KNOW 100% whether the call is being routed over wifi or normal phone?
Paul22000 said:
How do you KNOW it was making calls over wifi?
I just signed up and installed it, and no matter what I do, it always calls from my normal phone number, rather than my Google Voice number, which is what I chose during the sign up process.
Also, turning Airplane mode on and then turning Wifi on doesn't let me make any calls. It says disable airplane mode.
Is there a way to KNOW 100% whether the call is being routed over wifi or normal phone?
Click to expand...
Click to collapse
Just disable the phones radio via the INFO screen(Dial *#*#4636#*#* -> Phone Information ->)..
Paul22000 said:
http://www.cyrket.com/p/android/com.vonage.andrd/
Read the comments here ^.
Is it really free over wifi?
Seems like false advertising.
[Edit]: Just signed up for Vonage -- it DOES work if you sign up using your Google Voice number, hahaha!
Click to expand...
Click to collapse
so does that mean I won't have to pay a monthly bill? I can just basically, use my google voice number through wifi?
ram130 said:
Just disable the phones radio via the INFO screen(Dial *#*#4636#*#* -> Phone Information ->)..
Click to expand...
Click to collapse
@ap3604 or ram130, what do you have set for Google Voice settings to get vonage working on Wifi?
Use Google Voice for all calls / no calls / ask each time?
Paul22000 said:
What do you have set for Google Voice settings?
Use for all calls / no calls / ask each time?
Click to expand...
Click to collapse
ask only for international calls. I have not setup vonage yet, gonna do it now and see what is possible. I'll update ya in a few.
Paul22000 said:
How do you KNOW it was making calls over wifi?
I just signed up and installed it, and no matter what I do, it always calls from my normal phone number, rather than my Google Voice number, which is what I chose during the sign up process.
Also, turning Airplane mode on and then turning Wifi on doesn't let me make any calls. It says disable airplane mode.
Is there a way to KNOW 100% whether the call is being routed over wifi or normal phone?
Click to expand...
Click to collapse
On my end I can guarantee that its making the calls through WiFi because of the data only plan I am on. T-Mo has two different types of $40/mo data plans:
1) $40/mo with T-mo hotspot access but cannot make ANY calls (except 911)
2) $40/mo without T-mo hotspot access but can make calls for $.10/min
I have the first option and if I try to make a regular call it says "the service you are attempting to use has been restricted or unavailable" and hangs up. Even if I try to make a call through GVoice it says the same thing so I know I cant make any cellular calls. But I can make a call through the Vonage app with WiFi (although I do have to have on Edge/3g with the WiFi your right).
I just checked my T-Mobile account as well and I dont see any minutes used either.
Now if only we can get this thing to think its on WiFi even if only on 3g!
Paul22000 said:
@ap3604 or ram130, what do you have set for Google Voice settings to get vonage working on Wifi?
Use Google Voice for all calls / no calls / ask each time?
Click to expand...
Click to collapse
I set Google Voice to "Do not use Google Voice to make any calls" to make sure it was only Vonage making the calls.
I'm tellin you guys this app works great on the free WiFi calls Just gotta hack the N1 for tricking it into thinking its on WiFi even while on 3g.
Lemme know if you guys have any trouble setting up the Vonage account to test...
ap3604 said:
I set Google Voice to "Do not use Google Voice to make any calls" to make sure it was only Vonage making the calls.
I'm tellin you guys this app works great on the free WiFi calls Just gotta hack the N1 for tricking it into thinking its on WiFi even while on 3g.
Lemme know if you guys have any trouble setting up the Vonage account to test...
Click to expand...
Click to collapse
When I set GV to not call intercept, it will just call using my normal phone number. Vonage just sits there doing nothing.
A few times the Vonage dialer has popped up (if I had GV set to make ALL calls), but then Vonage crashed (Force Close).
Bleh, must be an issue with the Desire caller =\
Fring is flawless with skype dumb easy to setup for idiots like myself
I use it w/o a simcard in my g1 and keep my sim in the n1
I tried this vonage doesn't seem to work with the sim card out or in...if any one can post the correct steps to make domestic calls over wifi on the vonage app please(w/o a sim card it the only sure way to know its using wifi only)

Data causing missed phone calls?

has anyone had problems with recieving phone calls?
It seems like hwile im surfing calls wont come in, they just keep ringing. Ive tried calling myself a couple of times right now and it just rings and rings. Other times the calls come through. I have full service via 3g and am on the stock radio. I wonder whats causing this
sfld said:
has anyone had problems with recieving phone calls?
It seems like hwile im surfing calls wont come in, they just keep ringing. Ive tried calling myself a couple of times right now and it just rings and rings. Other times the calls come through. I have full service via 3g and am on the stock radio. I wonder whats causing this
Click to expand...
Click to collapse
Go to Setting > Call and see if DDTM is checked. If it is, uncheck it. This will cause calls to not come through while surfing the web.
Holyrolla said:
Go to Setting > Call and see if DDTM is checked. If it is, uncheck it. This will cause calls to not come through while surfing the web.
Click to expand...
Click to collapse
Also, enable the Call Guard in Settings/Wireless and Networks/Mobile Networks? What does that do exactly?
acrh2 said:
Also, enable the Call Guard in Settings/Wireless and Networks/Mobile Networks? What does that do exactly?
Click to expand...
Click to collapse
It prompts you before making a phone call while roaming to see if you want to go forth with the call.
Holyrolla said:
It prompts you before making a phone call while roaming to see if you want to go forth with the call.
Click to expand...
Click to collapse
Thanks, I was off on that one

So, I called 911 today...

... To report an accident that thankfully I was fortunate enough not to be part of. After I hung up with the state police, I noticed this notification.
Larzzzz82 said:
... To report an accident that thankfully I was fortunate enough not to be part of. After I hung up with the state police, I noticed this notification.
Click to expand...
Click to collapse
Did you long hold the notification to find out what app is putting it there?
i am pretty sure this is built into android for years. iphones do ths ame thing. it disables yoru data to ensure that 911 can call you back if needed so that there is a definite cellular connection
joshtb86 said:
i am pretty sure this is built into android for years. iphones do ths ame thing. it disables yoru data to ensure that 911 can call you back if needed so that there is a definite cellular connection
Click to expand...
Click to collapse
Odd I use it a few times a month and have never seen it. but then it doesnt matter. All I have to do is move away from the window and they cant call back anyway lol
Wellesley MA?
Sent from my Nexus 6 using Tapatalk
I've had that happen on my RAZR HD MAXX, too.
very usefule function.
that's normal
joshtb86 said:
i am pretty sure this is built into android for years. iphones do ths ame thing. it disables yoru data to ensure that 911 can call you back if needed so that there is a definite cellular connection
Click to expand...
Click to collapse
That makes no sense at all.
doitright said:
That makes no sense at all.
Click to expand...
Click to collapse
For once we agree on something. IT didnt make since to me either. Data signal would not interfere with a cell call
zelendel said:
For once we agree on something. IT didnt make since to me either. Data signal would not interfere with a cell call
Click to expand...
Click to collapse
Except it would if you were using a CDMA carrier. I know it said LTE on the Screenshot but if the Fallback is CDMA then it needs to disable the Data function to insure calls can be sent and received. GSM/WCDMA it doesn't apply. I think it is just turned on all phones by default just to make sure.
Ohgami_Ichiro said:
Except it would if you were using a CDMA carrier. I know it said LTE on the Screenshot but if the Fallback is CDMA then it needs to disable the Data function to insure calls can be sent and received. GSM/WCDMA it doesn't apply. I think it is just turned on all phones by default just to make sure.
Click to expand...
Click to collapse
Not so sure about that as like I said I have never seen this and I have to use 911 at least a few times a month.
It does make sense for several reasons. I actually work in emergency services. It puts your phone into an enhanced 911 mode where 911 dispatchers can GPS locate you. They also disable data because remember when you couldn't have data and voice at the same time? This is to ensure they can call you back. Google it if you don't believe me.
joshtb86 said:
It does make sense for several reasons. I actually work in emergency services. It puts your phone into an enhanced 911 mode where 911 dispatchers can GPS locate you. They also disable data because remember when you couldn't have data and voice at the same time? This is to ensure they can call you back. Google it if you don't believe me.
Click to expand...
Click to collapse
It's never been an issue for GSM users, just CDMA. So people who never had Verizon/Sprint have probably never had that issue. No idea about the notification, I've not had to use 911 for a long while now. It does make sense to have that mode though, just to be on the safe side. And if it also allows 911 dispatchers to access your GPS location, it's good that it shows the notification. I don't mind them being able to, but I like to know that it's happening. 5 minutes without data is a small price to pay for that.
joshtb86 said:
It does make sense for several reasons. I actually work in emergency services. It puts your phone into an enhanced 911 mode where 911 dispatchers can GPS locate you. They also disable data because remember when you couldn't have data and voice at the same time? This is to ensure they can call you back. Google it if you don't believe me.
Click to expand...
Click to collapse
Ok that could make since. It would also explain whyt I dont see it as I disable just about everything dealing with emergency broadcasts and anything that requires gps needs a pin code to activate. So they couldnt lock on to it if they wanted to.
Now while this may come in handy in the states it is completely useless elswhere.
Come to think about it. Could also be the custom AOSP based rom that I run that has most of that removed.
rasengan82 said:
Wellesley MA?
Sent from my Nexus 6 using Tapatalk
Click to expand...
Click to collapse
Waltham actually by the Winter St. exit.
zelendel said:
Did you long hold the notification to find out what app is putting it there?
Click to expand...
Click to collapse
I did not. The notification when I powered the display said phone management something or other.
You can click the notification and hit "end now", or at least you can on pure and aosip
joshtb86 said:
It does make sense for several reasons. I actually work in emergency services. It puts your phone into an enhanced 911 mode where 911 dispatchers can GPS locate you. They also disable data because remember when you couldn't have data and voice at the same time? This is to ensure they can call you back. Google it if you don't believe me.
Click to expand...
Click to collapse
I cant have data and voice at the same time true... But if I stream a youtube video is does not stop calls from coming in, even though answering the call does stop the video stream.
Sounds like they are covering the worst case scenario. You could be roaming on a cdma carrier even though your carrier is gsm. If you are on Project FI you could be on either at any given time plus they want to make sure they get a accurate gps location in case you phone in a bomb threat or something.

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