Extensions
External
- 200 Colin Barschel mobile (GSM)
- 201 Marc Vorwerk mobile (GSM)
- 202 Aachen Veltmanplatz
- 203 Ericsson Lab
- 204 Ericsson Marc
- 205 Ericsson Rosella
- 206 Ericsson Ralf K.
- 207 Ericsson Ralf K. GSM
- 220 Jeroen de W. (Netherlands)
- 221 Jeroen de W. (Netherlands GSM)