3g

What problems can occur with WCF BasicHttpBinding using a 3G network?

I have a Silverlight application communicating with a server over WCF using basicHttpBinding. It works fine over the web, but customers complain of "communications issues" over a 3G network. Is there anything specific in WCF that can be tweaked to work more nicely over a 3G network? What is it about a 3G network that might cause problem...

iphone download using 3G or Wifi

Suppose, if I'm able to connect to wifi as well as 3G, can I write the code to connect to a website using 3G (not through wifi) or vice versa? ...

iphone: problem playing youtube mp4's over 3g network

Hi guys I'm am developing an app that enables the user to stream youtube mp4 videos on the iphone. What I did was very simple - I just took a url of the form http://youtube.com/get_video?the token&fmt=18 (for example http://youtube.com/get_video?video_id=KUXGVfmrEN4&&t=vjVQa1PpcFNrxzfbeI6WrJfK6s0BdQ9ypMgV_6yqwjo=&fmt=18) an...

iPhone app always crash while using 3G

My application always crashes if I use the camera to take a picture while connected to a 3G connection (not wifi). When I use wifi then it run perfectly. What is this problem ? ...

3G/Edge/GPRS IP addresses and geocoding

Hey all! So, we're looking to develop a mobile website. On this mobile website, we'd like to automatically populate a user's location (with proper fallback) based on their IP address. I'm aware of geocoding a location based on IP address (mapping to latitude, longitude and then getting the location with that information). However, I'm ...

Android - Connectivity Questions

I have a couple of questions about connectivity on Android, if anyone has any insight it would be great. 1) What is the default when an application wants to wirelessly connect? Is it wlan? And if wlan is switched off or there is no access points around is it 3g or gprs? 2) Is a device always ip connected? Or when its disabled from wlan...

How can I use a 3G internet connection in my Android App?

I have made an App that can connect to a program that I am running on a server, but it only seems to work with WiFi. When I try to use 3G it doesn't make the connection. Is there something special that I have to turn on or set in order to use 3G? ...

how to re-factor a web site for 3G?

Hello everyone, I have a traditional web site which serves users from desktop computer browsers. I am using Microsoft technologies, like ASP.Net, C#, .Net, SQL Server 2008, IIS and Windows Server 2008. Nowadays, more and more users are using 3G mobile phones, and I am wondering from software perspective, how to add new features to my w...

CE 5.0 with 3G Usb Stick

I'm new to CE programming and I have a Marvel device PXA270 with Windows CE 5.0 installed. The device has one usb port. I wonder if there's ANYTHING I can try to connect a 3G-HDSPA usb stick to it. When plugged it only recognises its folders as a pendrive would do, but no Internet. Thx. ...

Is use of LEAKS instrument still common on 3G iPhone?

I'm working with an iPhone 3G, and when I'm trying to investigate memory leaks using the LEAKS instrument, my app crashes. It does not crash when LEAKS is not used. I'm making no claim to having a bug-free or non-memory-intensive app here. But I'd like to investigate leaks on an actual device. When I'm running LEAKS it is incredibly slo...

Restrict iPhone app to Wifi

Is it possible to restrict an iPhone app to only work if there's a Wifi connection (not 3G)? ...

Can I prevent iPhone from using 3G under any circumstances?

I'm writing a travel guide related app that will download large databases (60meg) potentially overseas, with the reachability code I can tell when a host is reachable via wifi or 3g BUT I'm worried that if for some reason the wifi connection breaks for a minute or so as some DSL connections are likely to do on occasion the iphone will sw...

Gobi 2000 WWAN Adapter C# SDK

We have some software running on Windows 7 on a mobile device (Panasonic Toughbook) which needs to initiate a 3g connection to download data. The WWAn adapter in question is a Gobi 2000. Is there any way of controlling the adapter direct from .net or should we fall back on Windows to initiate the connection as required (battery life is ...

Android - Over 3g which ports to use and is TCP best connection method?

As a communications method is TCP best way to get lots of data through to multiple android devices from another android device over 3g? Also are there recommended ports to use for 3g data transfer? I want to rule out using a web service intermediary as I want this app to be decentralised if possible. Cheers, James ...

How can I connect directly to a mobile device over 3G?

I'd like to be able to deploy a lightweight web server on my mobile device (android) but there are obviously NAT issues with respect to the mobile provider's network. Is there anyway I can make my device publicly available/addressable over the internet? ...

How to use micro SIM card in usual mobile phone?

Is there any way to use micro SIM card from my iPAD in my old mobile? I read about DIY adapters, but it looks too unreliable. ...

Any iPhone SDK API available to promote 3G/GPRS over WiFi in an iPhone application

Hi Guys, I have a requirement to promote 3G/GPRS over WiFi connectivity in the iPhone application I am developing. Please let me know if this is possible and if yes, how? The problem is when I have a WiFi network which is available and connected but not logged in using Captive Portal, I cannot use that WiFi network to perform the tasks...

how can get mobile symbol when connecting 3G programmatically?

Hi, Actually in my Archos 5 internet tablet options are there for bluetooth(3G) tethering. Iam getting mobile symbol manually through wireless controls -> cell phone tethering -> tether click.If enable all the options browsing is possible.Sometimes if switching between wifi to 3G , browser not able to browse something . It doesn't gives ...

wifi and 3g iphone and mac app comunication

I created two apps, one for iphone and one for mac. They communicate back and forth. The iphone is used as a "remote control" to do things on my mac. For now it just changes the color of a text label on the mac app when I press a button on the iphone app. As of now, it can only connect through wifi. It uses bonjour and finds discovered ...

Web site exhibits JavaScript error on iPad / iPhone under 3G but not under WiFi

Connecting to http://www.manage-us.com on an iPad under 3G [used to] result in a JavaScript error which can be seen if the developer console has been enabled. If the same page is accessed using the same iPad under a WiFi connection no error is displayed. [The error has now gone because I applied the fix below!]. Why is this? I've trie...