GSM only when on call - Networking

Hi all,
Hope you can help, i've searched but can't anything.
I have a Touch HD and it great apart from it drops calls when it switches between GSM and HSDPA/WCDMA.
What I'm looking for is either:
A program or script the stops the phone switching between the two networks Or the registry setting to stop it switching, so I can make my own program.
I know there is band switch and I can do it in the phone settings, but Ideally I'd like the phone to be set to auto, but only use gsm for call and while on the call not switch to 3G if it detects a signal.
Hope this makes sense.
Logicalstep

Related

Switch between GPRS and UMTS network

Hello,
I know the place in the phone options (on the band page) where you can
change the network from GPRS to UMTS (3G).
But is this possible to do programmatically with RIL or TAPI or another API
on the pocket pc device?
Thanks for any suggestions.
I support this request; Many topics on the board cover erratic behaviour with JJ, and ppl return their device to no avail. Swopping to another operator often helps. The issues SEEMS to be a poor UMTS reception with a given SIM or location, and this results in JJ trying to connect to UMTS or even latching on to UMTS but with an abysmal signal. After more than 15mins (annecdotal) of this is fails to ever go back to GSM without a reboot.
Solution is to turn off UMTS, but that's darned inconvenient cos you OFTEN want 3G speed (mail, RSS, google/surf).
Here's a way forwards; can someone tell us what reg entry gets changed when we select GSM vs UMTS? I will then write a couple of .reg files that can be launched from iLauncher (or whatever). Buzz coule probably write a switching app like he did for BT.
i have the same problem
When i use my Universal at home, there is pretty low level of UMTS/WCDMA signal and full level of standard GSM signal. By default Universal changes between those two sources automaticaly. But in my case, the quality of WCDMA signal is often varying just around critical level. So the result is that Universal changes band to GSM and back. And then again. And again. And... Due this, there is sometimes not possible to make data connection, because Uni is so much occupied by changing bands back and forth...
I would like to find a better solution, than select only GSM manually in phone settings. Especially because i have to unselect it manually every time when leaving home :-(
Is there any way to set treshold value (i expect increase it) for automatic switching between WCDMA and GSM?
I still do not know how to switch from UMTS to GPRS and back
with some API function (or AT command) on the device.
If I get these Infos from someone that would be great.
Then I could write a tool that checks the signal quality
and the network status and if UMTS signal is too low
it will activate GPRS.
I think this can be done with RIL API but have not found
any infos.
Houser
Anything new aobut this umts switch problems??
I do have the same problems, often i am unable to make calls, always when umts is on...
would be happy to hear something,
thomas
craigiecraigie4 said:
I support this request; Many topics on the board cover erratic behaviour with JJ, and ppl return their device to no avail. Swopping to another operator often helps. The issues SEEMS to be a poor UMTS reception with a given SIM or location, and this results in JJ trying to connect to UMTS or even latching on to UMTS but with an abysmal signal. After more than 15mins (annecdotal) of this is fails to ever go back to GSM without a reboot.
Solution is to turn off UMTS, but that's darned inconvenient cos you OFTEN want 3G speed (mail, RSS, google/surf).
Here's a way forwards; can someone tell us what reg entry gets changed when we select GSM vs UMTS? I will then write a couple of .reg files that can be launched from iLauncher (or whatever). Buzz coule probably write a switching app like he did for BT.
Click to expand...
Click to collapse
HKLM\SOFTWARE\OEM\UMTS
OPMODE=0/1/2 (AUTO/GSM/UMTS)

Disable GSM + SMS, only use 3G .. possible

Hello,
I want to use my HTC HD2 as a internet only device with 3G.
Is there a way to disable GSM + SMS and only use 3G ?
In the phone settings you can force use of WCDMA (3G) and no GSM, but you'll still have SMS and phone, I don't see the point, apart from reducing your network coverage. If 3G is there it will always use it preferably, if it switches to GSM it's because there's no 3G coverage...
kilrah said:
In the phone settings you can force use of WCDMA (3G) and no GSM, but you'll still have SMS and phone, I don't see the point, apart from reducing your network coverage. If 3G is there it will always use it preferably, if it switches to GSM it's because there's no 3G coverage...
Click to expand...
Click to collapse
Ok let me try to be more clear
I dont like the phone function of the HD2, I prefer a full QWERTY device.
So I have a dual sim
1. Nokia E72 for calling & SMS
2. HTC HD2 for internet
I want to receive my calls on my E72 and use the 3G internet on my HD2.
So I have to disable incoming phone calls and SMS on my HD2....
Yes, it sound stupid I know
Hmm I don't think that's possible...
But doesn't your operator do that automatically? I have a dual SIM too, but have to set one as active, and only the "active" one will receive call and SMS, the other can be used to place calls and use data but won't receive anything... it wouldn't play nice if your 2 phones received the same SMSs or rang at the same time when called...

Anyone has a 3G band switch app that actually changes to 3G?

First of I know there a couple of them here that changes to so called "3G", but it's not really switching to 3G. It switches from GSM to Auto and that doesn't really work.
I'm looking for one that switches from "Auto" <-> "WCDMA". This will make sure it's forced to use 3G. That will be worth calling 3G band switcher.
It might be very simple to do. I wish I could write simple softwares, but I'm an Electronics Engineer and Network Administrator. I'm thinking of going back to school for programming or something. Seems, I'm more into software now.
Just what I need
Bump
This is exactly what I'm looking for. At home calls keep breaking up on GSM but the quality is fine on WCDMA. Auto doesn't work since it usually chooses GSM. A toggle switch for the home screen would be awesome.
You can use the MortScript attached below as a Toggle Switch.
It has several combinations that can switch from one band to another and also cycle bands including Auto.
dailydriver said:
First of I know there a couple of them here that changes to so called "3G", but it's not really switching to 3G. It switches from GSM to Auto and that doesn't really work.
I'm looking for one that switches from "Auto" <-> "WCDMA". This will make sure it's forced to use 3G. That will be worth calling 3G band switcher.
It might be very simple to do. I wish I could write simple softwares, but I'm an Electronics Engineer and Network Administrator. I'm thinking of going back to school for programming or something. Seems, I'm more into software now.
Click to expand...
Click to collapse
Couldn't you just go into the phone settings and set the band to wcdma? That would keep it on 3g.
3G Toggle Switch
here's a 3G toggle switch I made. this will be in your Wireless Control.
View attachment 354649

Cannot receive phone calls randomly

Hello there!
I have a HTC Hermes phone.
Where I live there isn't 3G coverage at all.
When I am in places where is good 3G coverage the phone works well on 3G networks.
When I use EDGE or GSM networks it fails randomly.
I cannot make phone calls, and people whose call me get the sound "The call partner is not available."
Now I am using Windows Phone 6.5.
When I used other versions it wasn't work either.
Now I have radio 1.41.00.10
What settings should I use?
Please help!
Did you try to turn off (UMTS) 3G?
It is in CommManager?
Thanks for your reply!
Yes, I have tried this, it change network type to GSM, and network to EDGE.
But, after that it does the same.
Calls sometimes work, sometimes not.
And all the time the signal quality is almost full.
But I run into an other thing.
When I want to set to send my Caller ID, I tap get settings in the Comm Manager, it shows the message "Cannot read settings from the network. Try again later or disconnect data connection and try again"
What data connection does it mean?

[Q] Poor 3G to 2G handover

Hey there, I enjoy reading this forum but I had little to contribute with as I am an android noob. So unfortunately my first post is a question forced by the fact that something is wrong with my DHD Thank you in advance for your advices!
The problem is - when in areas with low 3G coverage the phone keeps on searching for 3G for too long instant of seamlessly switching to 2G, which often has full signal bars. This way the phone acts as if there was no signal and sends incoming calls to the voicemail even though all it has to do is to switch to 2G as soon as 3G gets too weak.
My previous phones had no problem with this. In my city the 3G quality varies from area to area but the 2G coverage is perfect almost everywhere. So I used to be sure that my phone never really disconnects from the network, it only might have dropped the 3G signal in favor of 2G while keeping the calls and everything.
I know I can disable the 3G and stick to 2G and EDGE but this way using full data capabilities of the phone turns into pain instead of pleasure.
Just to make sure and to show I did my homework, this is NOT:
- the death grip case
- a network related problem /I suppose.../
- a problem with data connection /I have never run into any problems with this/
My questions are:
- is anyone of you experiencing this?
- is there a way to force the phone to hand over the connection from 3G to 2G quicker without "blind spots"?
- does any custom ROM improve this? /I am running the latest stock HTC DHD android 2.2 with Sense/
- is there any hint that android 2.3 gingerbread should fix this issue?
Thank you, hope to find a piece of good advice here!
I`ve found this service menu and I switched the preffered network from WCDMA preferred to GSM AUTO PRL. will see if it helps.
I havent noticed any more problems since I did the switch. I think it helped. I cannot be 100% sure but I think it did the thing for me. I forgot to mention that I also switched networks mode from Auto to European but I think this has nothing to do with the issue.
fortuneman had my answer. To access the service menu on the soft phone keypad enter *#*#4636#*#* and its under Phone Information.
Switching from 2g to 3g works seamlessly. But the other way around doesn't work that well. Nothing to do with the phone. Just the net tech that has its flaws. If your in a call and switch to 2g, the call will most certainly be disconnected.
Sent from my Desire HD using XDA App

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