DeTeWe: Eurix 250 ISDN, Eurix 260 ISDN Style, Eurix DeTeWe Open Phone 21, Open Phone 21 **Siemens: Gigaset 2000C Pocket, Gigaset 2010 Pocket, Gigaset 2011 Pocket, Gigaset 2060 Pocket, Gigaset 3000 Pocket, Gigaset 3010 Pocket **Telekom: Sinus CM800, Sinus