• just use the last four numbers (+49 6159 71 XXXX) to call an employee

• you first have to dial "9" to reach someone outside

• you can dial the "0" to call the telephone operator

• "2210" or "2205" is the main gate

The GSI telephone system - information for employees.

*Please keep in mind that only employees willing to publish their data are visible from outside FAIR or GSI network!