Siemens U15 User Manual
Page 163
Troubleshooting
162
How do I see the
calls I sent or
received?
To see the most recent calls you
dialed or received, open the
“Records” lists:
M
>
Records
>
Received Calls
or
>
Dialed Calls
My phone will
not dial
voicemail
commands,
passwords, or
other codes.
Your phone sends commands and
passwords as DTMF tones. You can
set your phone’s DTMF tones to be
Long
,
Short
, or
Off
. If you have trouble
sending numbers, check your DTMF
setting.
From the idle display, press:
M
>
Settings
>
Initial Setup
>
DTMF
Press
S
to scroll to
Long
or
Short
.
Press
SELECT
(
+
) to select it.
What can I do to
extend battery
life?
Your battery’s performance is
affected by charge time, feature use,
temperature changes, and other
factors. For tips on extending your
battery life, see page 17.
Problem
Solution