Index
Aastra MBU 400 User Guide 69
R
range tone 40
red key 20
redial 25
registering, 420d Handset 19
requirements, MBU and 420d handset 17
reset button 19
ringer melody 38
ringer volume 38
S
Safety Information 10
Sensitive Electronic Environment 10
setting audio 37
settings 27
silent mode 40
SIP
account, choosing 36
password 24
proxy 24
user name 24
softkeys 20
Spanish language setting 32
speakerphone 27
speakerphone key 21
star key 21
system status 21
T
text input 30
time and date
automatic 32
setting 32
time format 33
time zone 34
Troubleshooting 62
U
unlock 28
V
vibrate 40
voicemail 26
VoI P
call icons 42
calls 42
primary line setting 35
volume control 27
volume keys 21
W
warranty, limited 65
within range 25