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Philips855_APMEA.book Page 88 Friday, July 9, 2004 1:05 PM
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
supports 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.
GSM strings
The phone supports standard GSM strings that can be
sent from the keypad to the network and used to
activate services provided by the network.
•
Example n° 1
* 4 3 #
(
Press
, then
, to activate
the Call Waiting service.
•
Example n° 2
* # 3 1 #
Press
, then
know if the mobile identification has been sent.
•
Example n° 3
* 6 1 #
(
Press
, then
, to activate
the feature call forward if no reply.
88
•
Example n° 4
* 6 2 #
Press
the feature call forward if unreachable.
Contact your
network
information on GSM strings.
DTMF tones
Some phone services (such as phone answering
machines and pagers) require your phone to transmit
DTMF tones (Dual Tone Multi Frequency), also
known as "touch tones". These are used to
communicate passwords, callback numbers, caller
choices, and so on.
You can send DTMF tones at any time during a call
by pressing any of the keys
#
. You can also attach a DTMF sequence to a
phone number before dialling it (or storing it in the
Contacts). The phone number and the DTMF part
must be separated by a wait character.
Pause and wait characters
(
, to
To obtain a pause or wait character, press and hold
#
. The display shows
w
pause. The phone always interprets the first pause
character as a wait character. When you dial a number
containing a wait character, your phone dials the first
(
, then
, to activate
operator
for
detailed
0
9
*
to
,
and
for a wait and
p
for a
Operator services
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