Siemens U15 - Manual (Page 59)

Calling Features
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Using Automatic Redial
If you receive a busy signal, your phone displays Call Failed .
With automatic redial, your phone automatically redials the
number. When the call goes through, your phone rings or
vibrates one time, displays the message Redial Successful , and
then connects the call.
To turn automatic redial on or off:
When automatic redial is turned off, you can manually activate
the feature to redial a phone number. When you hear a busy
signal and see Call Failed :
Using Caller ID
Incoming Calls
Calling line identification (caller ID) displays the
phone number for incoming calls.
The phone displays the caller’s name when the name is
stored in your phonebook, or Incoming Call when caller ID
information is not available.
Find the Feature M > Settings > Initial Setup
> Auto Redial
Press To
N or RETRY ( + ) activate automatic redial