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14 • Operator services
Most items of the Operator Services menu (e.g. Service
numbers, Services +) are subscription-dependent and
specific to operators: your mobile phone readily sup-
ports them if they are included in your subscription.
Consequently, the menus shown following may or may
not be available. Contact your network operator for
detailed information on availability and rates.
The services provided may involve making a phone call
or sending a SMS for which you may be charged.
Other services
GSM strings
The phone supports standard GSM strings that can be
sent from the keypad to the network and used to acti-
vate services provided by the network.
•
Example n° 1
* 4 3 #
Press
Call Waiting service.
•
Example n° 2
* # 3 1 #
Press
if the mobile identification has been sent.
•
Example n° 3
84
(
, then
, to activate the
(
, then
, to know
* 6 1 #
Press
feature call forward if no reply.
•
Example n° 4
* 6 2 #
Press
feature call forward if unreachable.
Contact your network operator for detailed informa-
tion on GSM strings.
DTMF tones
Some phone services (such as phone answering ma-
chines and pagers) require your phone to transmit
DTMF tones (Dual Tone Multi Frequency), also
known as "touch tones". These are used to communi-
cate passwords, callback numbers, caller choices, and
so on.
You can send DTMF tones at any time during a call by
0
pressing any of the keys
You can also attach a DTMF sequence to a phone
number before dialling it (or storing it in the
book). The phone number and the DTMF part must
be separated by a wait character.
Pause and wait characters
To obtain a pause or wait character, press and hold
#
. The display shows
The phone always interprets the first pause character as
a wait character. When you dial a number containing
(
, then
, to activate the
(
, then
, to activate the
9
*
#
to
,
and
Phone-
for a wait and
for a pause.
w
p
Operator services
.
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