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call can't come in while data always on

I just switch to 3G instead of 2G. I want to experience the high speed internet suffing via my handset.
But I found the problem is that the phone call can't came in if I using the 3G data. Not even transfer to security services. Just a "Busy tone".
Check with the service provider and they are now checking with their technical dept to see if they can found the problem.
They said that the call should be able to come in because the phone call channel is different to the data channel. :roll: :?:
Anyone experience the same problem?

I experienced the same problem with my CHT9000. You may change the setting to GSM then call can come in when you using GPRS but you can't enjoy the high 3G speed on data transmittion. Anyone has better solution?

complicated issue; can be the same with GPRS/EDGE ; I made a lot of research read below;
http://forum.xda-developers.com/viewtopic.php?t=54738&highlight=

It is interesting. I don't have this kind of problem while I am using GPRS. But it happen to my new network provider (3G).

Lucky you then :lol:
At least you have GPRS/EDGE working and as a result it is absolutely a network provider issue.
I talked every detail with a guy in my Net. Op. and seems can be solved by "tricky switching something on" but they could not make me believe that this is not thier mistake. Because Class B phones MUST suspend the data flow and accept incoming calls for the technical point, only class A phones (no retail ATM) can make data flow and GSM talk at the same same.
GPRS is 2G, EDGE is 2,5G and same tecnique as 3G, only speeds are lower, so I beleive if u use 2G suspend while incoming calls your Net.Op. can solve the problem if they want :wink:

I have this strange problem with my vario II.
I am using Tmobile GPRS on both 2g and 3g network, If I am using the 2g phone works if If am using 3g phone doesn't work if I call it, the phone rings but doesn't alert me. The most annoying problem I am having is the phone switches between 2G and 3G if I am in a call the phone goes silent can't hear anything the display shows the call as connected and around 5-10 seconds later the phone drops call drops. This happens even if the data connection if not active.
What is the deal with that? anyone else have this problem.
Phone band settings are below
network type
Auto
GSM
GSM(900+1800)+UTMS(2100)

I've just discovered the same problem with my orange branded tytn, I'll be phoning them later to ask what they can do about it.

xxnoelziexx said:
I am using Tmobile GPRS on both 2g and 3g network, If I am using the 2g phone works if If am using 3g phone doesn't work if I call it, the phone rings but doesn't alert me.
Click to expand...
Click to collapse
Works perfectly on T-Mobile UMTS for me. I did flash the Dopod 838Pro ROM though.

will flash the dopod rom in the morning. I am currently using the imate rom, and the tmobile rom the device shipped with had to many slow downs so it had to go. if this fixes the drop out issue I will be happy if not the phone will be in its box till a rom update. got the phone cheap so don't really mind. nice phone/pda apart from this issue in my line of work can't afford to miss or drop calls.
so is this a hardware or a software issue then?

No harware problem, it is absolutely software issue. Read my posts above and the links I gave

No problems here I'm afraid.
Voda v1605 running the Voda Blackberry Client, so either 3G or GPRS (where no 3G available) on all the time. Calls and SMS received perfectly.
Only issue I have is when using 3G, unlike home wired broadband, I cannot use multiple applications through the single 3G connection (e.g. Blackberry client on and surf too)
Steven

Problem with phone signal

Hello!
I spent last week in France and I had a lot of problems with GSM signal. Phone sometimes can't connect to operater. When I looked in settings menu I saw only ''searching'' and nothing happend. Then I just click on ''Find network'' and after some second everything was OK.
For me is this a big problem because I must be reachable all the time.
What could be wrong and how could I solve the problem?
Bye,
Borut

I'm on radio 1.38.00.11, and I have the same problem too... sometimes it does not even get any signal after trying to "find network". When I disable the phone and enable it again (flight mode and back) it will get full signal, I'm at the same spot for the whole process so its not the reception of the location.
Any idea?

I sent also an E-mail to HTC support team and still waiting an answer.

I got this answer:
Good Afternoon,
?
Unfortunately this can happen sometimes when roaming, especially if the SIM from your network does not have the preferred roaming partners programmed into it.
?
What tends to happen is that as the phone is switched on in the new country, it will automatically search for all networks in range and then systematically attempt to register and connect with all of them one by one.? Sometimes, depending on the speed with which the networks respond to the handset's requests to register, this can take a few minutes, especially if there are many networks in range.? It can also happen as the signal from one network disappears and the phone must begin this process again.
?
One thing I would suggest would be to contact your Operator and ask them for the name of the preferred roaming partner of the country you are travelling to and upon arrival in the country, you can manually select the network to connect to.? this should then tell the phone to keep with that network until it loses signal, but it should automatically return when the signal is found again.
?
Thank you for your enquiry, Should you have any other problem, please do not hesitate to call us. Your Local number can be found at http://www.europe.htc.com/support/csbyphone.html
?
Best regards,
Pete Whiteley
HTC Europe

Unable to connect to network

I am on an AT&T 8525(see signature) running WM 6.1. I am in an area where my phone shows that I am on AT&T's network in the southeast US with 2 bars but I have no service. I cannot make a phone call although I occasionally receive a call, I cannot answer it. I also cannot get any data connection to work except the occasional SMS message. My wife is on T-Mobile with an 8125 and she has about the same coverage although she can make and receive calls about 90% of the time so there is no doubt that we are on the fringe of coverage.
I've tried changing the network band on my phone with no luck(trying to see if for some reason T-Mobile is on something different than AT&T). I tried upgrading my radio ROM as well to see if that would help(see sig) but didn't change anything. In other areas, with just the one bar of signal strength I've been able to make calls 100% of the time. It's only this one area that gives me fits.
I have FieldTest.exe on my phone but must admit that other than looking at the pretty numbers, I don't really know how to interpret the results of that app. Any suggestions?
Rick

I am having same problem, tried something like 3 roms , and it sometimes work for a while then stop working again, i was a new rom when i found it was making calls but no 3G connection, i tried another rom, made few calls then now it is unable to connect to anything , please let me know if you find a solution

Dropping calls

Does anybody else have a problem on o2? For the past few days my HD has been very flakey.
o2 are usually spot on in my area, the phone has good signal and what is happening most of the time is ill take a call then after 20-60seconds it will cut off and play the "duur duur" noise.
Is there anything i can further do to trouble shoot this problem and see if its a phone or possible network problem?

same to me
It happens to me too, but in Serbia, with Telekom network operator. So it is regardless of the network. Only thing that comes to my mind is connection setup update that I have recently did. Found out that call is dropping when I change network station cell or type of connection (from gprs to edge or 3G)
I tried to make new connection setup, will report with findings...

Calls disconnected - Issue with mobile?

Hiya
I am continuous issues with my desire HD. Not sure if it's network or there is something wrong with the mobile. The phone just hangs up in the middle of a call and disconnects after sometime. It happens quite a lot. Sometimes it wouldn't make a call. I try to dial a number and it shows grayed out dial pad and then disconnects.
I am currently on Orange network and quite sick of their merging excuse with T-Mobile so wonder if it's network issue or mobile issue. Is there a way of checking what's causing this?
I have been on stock rom previously but flashed last night with Leedroid latest rom but issue is still there.
Thanks

Network problem
Hi.I had same problem with My DHD.Just download Network apk by Philipp Mangelow and switch to GSM only mode.

Hi there,
This sounds like the calls were dropped rather than a ROM or handset issue.
The merger between T-Mobile and Orange is only proceeding at a network level of 2G/GPRS/EDGE at the moment but the 3G integration is in process.
The problem is that due to the merger cells form each network, which have a similar catchment area, may be decommissioned whilst areas which only had network presence from one of the operators are now dealing with twice the traffic. You could call Orange CS and have the techies check this out for you. It may just be that the cell is under-performing due to congestion or routine maintenance but it's best to make sure.

sebakid said:
Hi.I had same problem with My DHD.Just download Network apk by Philipp Mangelow and switch to GSM only mode.
Click to expand...
Click to collapse
Cheers for the tip....will try that.