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Posted on in voice
In my office here at the Slaptijack world headquarters, I have a cordless phone attached to a Linksys (née Sipura) SPA-2100. Thanks to the Visual Message Waiting Indicator (VMWI), I have a nice blinking LED whenever I have a voicemail waiting on my Asterisk server. Unfortunately, the Linksys SPA-2100 is …
Posted on in Software
For whatever reason, my iMac had some problems this week and I was forced to shutdown uncleanly. I didn't notice much in the way of repercussions until I tried to use Parallels with shared networking turned on. When I opened up Leopard's Network Preferences Pane, I noticed that the Parallels-NAT …
Posted on in System Administration
I manage servers and network devices that, for a variety of reasons, allow users to connect via SSH from anywhere in the world. Although the traffic generated by these connections is encrypted, leaving this open to the world does present a bit of a security risk. Would-be crackers use compromised …
Posted on in Software
The Mozilla Project released Firefox 3.0.7 yesterday. This minor release addresses several stability issues in addition to a few critical security problems. It is recommended that all users upgrade in order to get access to these security fixes. Additionally users of the Flashblock add-on will enjoy a better …
Posted on in Networking
A buddy of mine is getting about 1 Mbps through his Cisco 2621XM based VPN.
Additionally, the CPU was maxed out during the transfer. (In my testing, I was
able to max out a 7 Mbps cable modem using the
Cisco VPN Client connected
to the same endpoint, so the …
Posted on in Networking
The IEEE802.16 standard defines five Quality of Service (QoS) classes.
UGS was designed to accommodate services that create fixed-size data packets on a regular basis. This class offers grants on a periodic basis and removes the need for subscriber unit access requests. This QoS class …
Posted on in voice
If you use a new Linksys VoIP phone (for example, the Linksys SPA942), you probably don't have to worry about the change to Daylight Savings Time that began in 2007. By default, your phone has the right information about when Daylight Savings Time begins and ends.
On the other hand …
Posted on in Software
Google may have added this feature back in October, but I'm just now noticing it. Although I don't use footnotes very often, I know some folks that really like them. Alex at GoogleOS pointed out some issues with the new footnote system when they first hit the scene.
Somewhat related …
Posted on in voice
You might run into a situation where you have multiple PRIs or T1s for outbound calling on your Cisco Access Server (Cisco AS5350 or other model). In order to ensure that all outbound calls are using both circuits, you need to configure two outbound dial peers. In order for the …
Posted on in Programming
Whenever I start a new software project, I spend way too much time trying to
figure out what I'm going to call it. I try to think of something clever, but I'm
never really satisfied with what I come up with. (I suppose this means I'm not
clever.) Starting with …
Posted on in System Administration
Those that know me may have heard me rant about my "Reverting Mac Dock Icon Problem." The problem is this: I have put a folder on my Dock and every time I log out or reboot, the icon reverts from my custom icon to the default folder icon. To fix …
Posted on in IT Management
It is no secret that organizational strategy is linked to market strategy. When a company first begins to move into the global marketplace, it must decide how it will interact with each market. The company could decide to utilize a multinational strategy. This strategy develops products and marketing specific to …
Posted on in voice
Note: This is part of a discussion regarding the configuration of a Cisco AS5300 for T.37 Store and Forward Faxing.
I haven't touched this series in a while, but I thought it might make sense to add a post that addresses common questions. If you have questions that aren't …
Posted on in IT Management
North American companies have a long history of marketing blunders in the international marketplace. The most famous example is GM's attempt to sell the Chevy Nova in Mexico despite the fact that "no va" is Spanish for "no go." That story is old news and has been retold to the …
Posted on in Programming
I stumbled across this interesting image evolution project on AlteredQualia yesterday. This project takes Roger Alsing's example of image evolution using polygon rendering and re-implements it in JavaScript. I decided to run my own test against my avatar images. Both results use 50 polygons with 6 vertices.
Originally, I started …
