Jacken’s Blog

A new beta firmware is available here for the Grandstream GXP-2000 ip-phone. This update adds a number of new features, one of the nicest feature is an address book. This phone gets better and better for every update.

Source: Asterisk VoIP News

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I haven’t had time to update my blog for a while. The last couple of days has been spent trying to hunt down an annoying bug in my IAX client I’m writing. Sometimes when dialing in, my program would not get a notification from the Asterisk server that a call was in progress. So I [...]

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I’ve been hard at work on my IAX client software the last couple of days. I also have re-written a lot of the code. I decided early on that I wanted to have classical VU-meters to display the in and output volume. But I don’t want them to take to much CPU time. So I [...]

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The IAX client I’m writing is coming along nicely. It’s now in a state that makes the program usable. And today I made changes so I could compile a universal binary. And the program works on my PPC mac, but I use some libraries I needed to change the makefiles for, so I don’t know [...]

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With the latest beta firmware in the Grandstream GXP-2000 VoIP phone, the have added support for BLF. This means that you can use the quick dial LEDs for status of extensions. You can monitor all extensions on your phone. If a extension is busy, the led for that extension is lit. You can also dial [...]

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I now have a working IAX soft phone up and running. Answering and dialing works. The sound quality is good. And the amount of cpu usage is around three percent. But as soon as I add all the animating graphics, like sound input/output meters and stuff, that figure will go up substantially. But one of [...]

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I’ve been looking for a softphone for Macintosh that uses IAX, but I haven’t been able to find a good one. The EyeBeam and X-lite uses sip and has stability problems so they are not an option either. So I started to write my own softphone. It’s nice to be programming in Cocoa again. But [...]

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As soon as you mention the word VoIP, everyone responds with “Skype?” This immediately gets me into an discussion why people should not use Skype. The fact that your computer is used as a link to route traffic, much like BitTorrent. That it is based on a proprietary protocol, only known by Skype, so [...]

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I helped my friend Micke to set up an Asterisk@Home PBX server today. But when setting up Free World Dialup FWD, we had some problems. First I forgot to enable IAX in the account setup. After that, dialing out worked, but we could not dial in to his FWD number. To connect we use an [...]

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Asterisk: The Future of Telephony online from O’Reilly Media. They have released it under the Creative Commons license. This means that you can download the book here for free. But it also means that you should buy the book here. Now you have the downloaded pdf version for quick searching, and the nice feel of [...]

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