Dial-up

From Compsci.ca Wiki

The following user(s) suffer from dial-up, a severe disorder in which connecting to the internet disables the use of the telephone. Connection speeds are hideously slow.

Cervantes - 28.8kbps

Martin, on the other hand, has Japanese internet and is connected at 50mbps - that's 50,000 kbps. This is just over 1700 times faster than 28.8kbps.