Contact

Dial-in numbers

For your telephone conference

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Country Dial-in number
Local numbers Announcement language / Dial-In number
Germany German: +49 721 203 6222
English: +49 721 203 6225
International numbers*
Argentina English: +54 115 984 2348
Australia English: +61 283 113 969
Austria German: +43 720 231 738
English: +43 720 815 859
Belgium English: +32 279 203 85
Brazil English: +55 113 197 0881
Canada English: +1 416 849 4651
Chile English: +56 225 822 271
Czech Republic English: +42 022 888 0047
Denmark English: +45 327 142 99
Finland English: +35 894 241 9156
France English: +33 173 045 290
Great Britain English: +44 203 936 3438
Greece English: +30 211 198 4450
Hong Kong English: +852 580 824 97
Hungary English: +36 170 098 86
Ireland English: +35 376 888 6358
Israel English: +97 237 630 298
Italy English: +39 064 523 0453
Japan English: +81 345 789 795
Luxembourg English: +352 27 864 554
Mexico English: +52 554 170 3877
Netherlands English: +31 852 081 775
New Zealand English: +64 9-802 0549
Norway English: +47 210 307 92
Poland English: +48 222 120 636
Portugal English: +351 300 500 342
Romania English: +40 31 229 5644
Russia English: +7 499 350 69 85
Singapore English: +65 315 817 16
Slovakia English: +42 123 300 6795
Slovenia English: +386 16 003 948
South Africa English: +27 120 042 324
Spain English: +34 911 989 698
Sweden English: +46 850 513 536
Switzerland German: +41 435 086 626
English: +41 225 180 220
Thailand English: +66 202 681 61
Turkey English: +90 850 390 2066
USA English: +1 646 809 8216
English: +1 650 457 5618
*International numbers must be activated for the conference account. Participants only pay the local connection costs. Please refer to our price list for the conference costs charged to you as conference leader.

What can we do for you?

You would like to arrange a consulting appointment or get to know your contact person? Do you have questions about the requirements, costs, possible topics or certificates? Conatct us!