D2 GSM900
For visitors in Germany with a GSM900, dual-band or tri-band phone.
The "CallYa" card was the second PrePaid GSM card in Germany. It is issued by Vodafone on the D2 GSM-net. 

For many foreign visitors who expect many incoming calls it is better economy to buy a CallYa card, but not when you want to call your home countries, compare the price list below. Check their home page for coverage at You can also call Customer Service at 0172-1212 when in Germany or from outside Germany +49-172-1212 (normal fee) or write to:

Mannesmann Mobilfunk GmbH
D-40543 Düsseldorf



The Start Package costs 55DEM. It contains a preactivated GSM SIM card with a 50DEM credit, codes and a users manual in German.

There is are Phone Packages too, containing a phone and the above mentioned Start Package. The packages cost about 300DEM.

There are three different methods of recharging the card. There are value coupons called D2-CallNow, Automatic charging from your bank account or paying over a Bank account. The valid period of the card is 12 months.

International calls are possible, but extremely expensive for European calls. Have a look further down.

To get started, you;

1. insert the SIM card in an apropriate phone,
2. enter the PIN-code,
3. call 0172-22910 to activate your card
4. start calling. 



Services included;

1. Answering service,
2. Call diverting to answering service,
3. Receiving and sending SMS texts,
4. Free 112 emergency calls (like in most nets).
5. Roaming

We have tested the CallYa cards and they work well. We have found no grounds of complains but the costs. International calls are too expensive. We recommend prepaid calling cards instead. There is a variety of them. We can't really recommend the CallYa card due to the high costs.