Articles by Carla Schroder 

VoIPowering Your Office with Asterisk: Shiny New Asterisk 1.4

Lots of fun new phone stuff is on the way. We get started with installation basics and try out the new customizability.

Buck DNS Monoculture with BIND Alternatives

You're not bound to BIND for your DNS services. Here are two alternatives with an emphasis on security and simplicity.

VoIPowering Your Office with Asterisk: Getting SIP through Firewalls, Part 2

The IAX protocol provides a range of solutions to the SIP problem—in the office and on the road.

Tips and Tricks for the Linux Network Admin

From getting SIP through your firewall to a handy iptables monitor, our periodic guide to what's new in Linux networking scratches plenty of itches.

VoIPowering Your Office with Asterisk: Getting SIP through Firewalls

Corporate firewalls prevent unauthorized access to corporate networks. Unfortunately, they can also prevent the completion of SIP phone calls.

The Road to Geekdom

Opinion: Don't get into IT because you want an air-conditioned office. Get into it because it's your passion. Not sure it's your passion? There are a lot of free tools that'll help you explore.

VoIPowering Your Office with Asterisk: Making VoIP Calls Sound Good, Part 2

Jitter results from voice packets traveling over unpredictable connections. The way to eliminate it is buffering—giving late packets a chance to catch up.

Manage Linux Hardware with udev

Getting around Linux device management can be tricky. Here's the first part of our guide to untangling the mysteries of udev.

VoIPowering Your Office with Asterisk: Making VoIP Calls Sound Good

Jitter is an audio demon peculiar to VoIP. Here we examine its causes, and begin to fathom its prevention.

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