Tone Sequences (Dtmf) - Siemens C75 User Manual

28 Calling

Tone sequences (DTMF)

You can, for example, enter control
codes (numbers) for remote access
to an automatic answering machine
while another connection exists. These
entries are transmitted directly as
DTMFcodes (control codes).
Open menu.
§Options§
Send DTMF
Select.
Using the
Phonebook/Addressbook
Store phone numbers and control
codes (DTMF codes) in the Phone-
book/Addressbook in the same way
as a normal entry.
Enter phone number.
J
Press until a "+" appears in
0
the display (wait for the
connection to be estab-
lished).
Enter DTMF codes
(numbers).
J
If necessary, wait again
0
for three seconds at a
time for the receiver to
process the entries safely.
Enter a name.
J
Store entry.
§Save§
You may also store just the DTMF
codes (numbers) and then send
them during the call.