Jim Rossman / TNS This week, a reader writes, "I’ve had AT&T internet service for quite some time and still have the original router and modem. Should I upgrade for security and performance reasons?

A computer screen showing a video call. - Seb_ra/Getty Images Every home is connected nowadays, which requires having access to the internet. This is through an Internet Service Provider (ISP), along ...

Voice over Internet Protocol (VoIP) and wireless Wi-Fi can be integrated into home networking systems using two new additions to the AR7 DSL router-on-a-chip family. The AR7VWi combines VoIP, ...

These days, your wireless router is not just your lifeline to the internet, but also to your job. We've hand-tested the top routers so you can find the right fit to build a snappy home Wi-Fi network.

I'm using AT&T Southwestern Bell DSL. I've had this service since about 2004 or so, with only intermittent issues. Most of the problems I've had in the past related to the 3Wire DSL modems/routers ...