GSM networks list from Gammu

This list contains GSM networks as are currently defined in Gammu. If you can see some bug here, please report it.

228 01
Swisscom
228 02
Sunrise
228 03
Orange
228 05
228 06
SBB-CFF-FFS
228 07
IN&Phone
228 08
Tele2
228 50
228 51