Windows CE Networking - from NDIS to TCP to SOAP to VOIP and everything in between.
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If you install the recent CE 5.0 QFE's AND try to build Kerberos.dll, you will run into a bug that unfortunately was introduced in this QFE. Check out customer thread alerting us to it here . Short summary is that customer is seeing: "Warning: Unable Read More...
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There are many scenarios where inspecting incoming SIP messages for custom headers is useful. Many servers add their custom headers for custom functionalities like custom ring tones, shared line functionality, privacy, etc. and hence having the ability Read More...
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Adding custom SIP headers using RTC, in CE 6.0 R2 release. In CE 6.0 R2, RTC now supports the capability of adding custom headers to outgoing REQUEST messages, for RTC sessions and RTC subscriptions. Here is how once can do it. After CE 6.0 R2 release, Read More...
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I just checked out the blog and realized it's been ~1.5 months since the last post, which is lame. I have a dilemna since I've run out of tricks/advice that I think are useful, for now at least. I can either write nothing or do something random, like Read More...
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If you try to build svsutil.hxx on certain versions of the Windows Mobile SDK, you may run into build errors. I know it's on WM5 SDK at a minimum, I don't know about WM6 SDK. The error you'll see will complain about the methods int operator==(int iBit) Read More...
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RTC 1.5 can be restricted to use only certain types of interfaces (Wifi, Ethernet, etc.) on Windows Mobile devices. Same restriction cannot be applied on Windows CE, as RTC uses connection manager functionality to do that, which is not available on Windows Read More...
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RTC 1.5 (CE 6.0 R 2 release) supports Point to Point Video calling. However, the stack does not ship any built-in video codecs. Instead it supports a pluggable video codec architecture through which, one can add their own video codecs. Below are the steps Read More...
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Sample code for local audio mixing to achieve 3 way/N way calling. In CE 6.0 R2 release, RTC 1.5 started supporting local audio mixing. Local audio mixing can be enabled by using the flag RTCIF_ENABLE_GLOBAL_MEDIA_MIXING during RTCClient object initialization. Read More...
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Following are the new features in RTC 6.0 R2 release: 1. Local audio mixing capability (enabling 3 way VOIP calling) 2. Point to Point Video Calls 3. Pluggable Video Codec capability 4. Ability to inspect SIP headers for certain SIP messages 5. Ability Read More...
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I recently wrote about the recent DCOM Remoting Addon pack being available . Since I'm running out of things to write about, I'll explain the geeky details of how the DCOM addon pack came to be. This post is for the very bored only or those who are intrigued Read More...
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As I wrote here , in Windows CE 6.0 we removed DCOM remoting - that is the ability to create and host COM objects across a network. We did this due to security. Our DCOM is built on NT4 vintage code and there was no way we could patch up our implementation Read More...
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My "stuff to blog about" well has pretty much run dry, as anyone who follows this blog knows. Fortunately there's always a customer running into something that I've never thought about something to inspire me. Bad for the poor customer hitting the issue, Read More...
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Background A number of customers on a recent WM6 versions have run into a problem where GPSGetPosition returns ERROR_INVALID_PARAMETER always, even on apps that worked fine in the past. The newsgroup thread is here . The device I've reproed and tested Read More...
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While tracking down some memory corruption issues, I noticed in one function that a parameter on the stack was always getting set to the value 2, even though it was a pointer. I could see it turn red in the memory view window as its value changed. I thought Read More...
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Hi, my name is Harish Srinivasan. I work in the Windows CE Core Networking team. I own IPsec, IKE and several other networking components. Read More...
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