[3G] Username/Password for 3G

3G and GPRS modems with pppd

Using Optus 3G with Linux

在Linux上实现3G拔号上网

Telstra Next G and Linux

How to hook up PPP in Linux

Using Kernel PPP

Setting up a 3G USB dongle in Linux [3, T-Mobile, 02, Orange, Vodafone]