Official alphabet for emergency services:

A Anton,
B Berta,
C Caesar,
D Dora,
E Emil,
F Friedrich,
G Gustav,
H Heinrich,
I Ida,
J Julius,
K Karl,
L Ludwig,
M Martha,
N Nordpol,
O Otto,
P Paula,
Q Quelle,
R Richard,
S Siegfried,
T Theodor,
U Ulrich,
V Viktor,
W Wilhelm,
X Xanthippe,
Y Ypsilon,
Z Zeppelin

Funker Buchstabieralphabet:
A Alpha,
B Bravo,
C Charlie,
D Delta,
E Echo,
F Foxtrott,
G Golf,
H Hotel,
I India,
J Juliette,
K Kilo,
L Lima,
M Mike,
N November,
O Oscar,
P Papa,
Q Quebec,
R Romeo,
S Sierra,
T Tango,
U Uniform,
V Victor,
W Whisky,
X X-Ray,
Y Yankee,
Z Zulu