SMS Business Numbers
SMS Business Numbers, Interface Manual PDF, 1.1 MB(opens in new tab)
SMS Business Numbers Referenz API zip, 8.35 MB(opens in new tab)
SMS Large Account
SMS Large Account, SMPP Interface PDF(opens in new tab)
SMS Large Account, REST Interface(opens in new tab)
E-mail to SMS Gateway User Guide PDF, 490 kB(opens in new tab)
SMS Business Numbers
SMS Business Numbers DOC, 180 kB(opens in new tab)
SMS Large Account
SMS Large Account & email2SMS Access Data, 189 kB(opens in new tab)