Dein Deutsch liest sich gar nicht so schlecht.

In anderen Worten: wofür brauchst Du das?

Das sollte eigentlich relativ fix übersetzt sein.

mit Hilfe des Google Übersetzers https://translate.google.de/?hl=de kommt folgendes raus (von mir nicht überprüft):

Telekom Germany GmbH, Landgrabenweg 151, 53227 Bonn, Internet: www.telekom.de
Stand: 06/2014 Page 1

Roaming Travel & Surf

Booking code Overview for contract customers

Country group 1:
DayPass M: eum
Week Pass: euw
Week Pass inclusive: euk
Data-Eurotarif eut
Data tariff for abroad Ships and aircraft: DAT4

Country Group 2:
DayPass S: W2s
DayPass M: w2m
Week Pass: w2w
Data International charges: dat2
Data tariff for abroad Ships and aircraft: DAT4

Country Group 3:
DayPass S: w3s
DayPass M: w3m
Week Pass: w3w
Data International charges: DAT3
Data tariff for abroad Ships and aircraft: DAT4

How it works
1. Before the trip once on the phone, the service hotline 2828 (Business) and allow for Travel & Surf leave. Click or instruct the Telekom shop Alternatively online in the Customer Center Travel & Surf (under tariff options).

2. Allow Upon arrival overseas data roaming on the phone or on (under "Settings").

3. Abroad - as well as at home - open start with the use of data, such as a website, launch an app or – Read e-mail. Until that time, you still will not be charged because no chargeable data connection has been established.

4. You will receive, depending on your phone, automatically an SMS with the SMS booking codes for the available data passes and a Link to the free booking site http: //pass.telekom.de* or opens directly the mobile free website http: //pass.telekom.de* for booking a data pass.
On this page you can select the desired data through. Or send an SMS with the corresponding
Booking code back to the free speed dial 7277th

5. You will receive a confirmation SMS or a confirmation on the free mobile website
http: //pass.telekom.de* and can directly start surfing carefree. You will also receive an SMS when 80% of your inclusive volume are consumed. After consumption of your selected Travel & Surf Pass you can when needed another pass book.
Important: posting the data passes is only possible abroad. A book of passports already in Germany is not possible.
* Note: works only with active data connection in the mobile network (not via LAN / WLAN and does not have a Intranet connection).