Nokia 7710 User Guide - Page 41

Sending DTMF tones, Security

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Telephone select which network to use. Note that the possibility to change a network depends on your network operator. Cell info display: - Select On to indicate that the device is used within a Micro Cellular Network. An indicator of the MCN cell is shown in the phone number field. The indicator is not shown during a call. Security page When security features that restrict calls are in use (such as call barring, closed user group, and fixed dialing) calls still may be possible to the official emergency number programmed into your device. Closed user group: -Specify a group of people to whom you can call and who can call you. Select Default to activate the group agreed on with the network operator. Select On to activate this network service. You must enter the group number that you have obtained from the network. Fixed dialling: - If your SIM card supports this service, you can restrict your calls to a limited set of numbers stored in the SIM card. When the fixed dialling service is active, the SIM phone book list shows only numbers in the fixed dialling list. You still have access to the Contacts directory, but you cannot call those numbers. If you want to change the settings or view the fixed numbers, you are required to enter your PIN2 code. Select Contacts to add, modify, or delete numbers. You are required to enter names and numbers into the fixed dialling list. Note: Fixed dialling also affects service requests (also known as SS and USSD commands), such as activation commands for network services. Sending DTMF tones DTMF (Dual Tone Multi-Frequency) tones are the tones you hear when you tap the number keys on the numeric keypad of the Telephone application. For example, DTMF tones allow you to communicate with voice mailboxes and computerised telephony systems. You can send DTMF tones to the network to, for example, access automated phone services, voice mailboxes, or banking systems. You can send DTMF tones automatically if you have added a DTMF tone to the DTMF field in a contact card in Contacts application. You can also send DTMF tones manually in the Dialler view of Telephone. The manual method of transmitting DTMF tones is recommended when the DTMF tone string is short. To send DTMF tone strings automatically during a call, press , and select Options > Send DTMF.... If there is a DTMF string for the currently active call in Contacts, the Send DTMF dialog opens. Tap Send to send the DTMF tone automatically, or Enter manually to use the Dialler view. The Dialler view opens 41 Copyright © 2005 Nokia. All rights reserved.

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Telephone
41
Copyright © 2005 Nokia. All rights reserved.
select which network to use. Note that the possibility to
change a network depends on your network operator.
Cell info display:
- Select
On
to indicate that the device is
used within a Micro Cellular Network. An indicator of the
MCN cell is shown in the phone number field. The indicator
is not shown during a call.
Security page
When security features that restrict calls are in use (such
as call barring, closed user group, and fixed dialing) calls
still may be possible to the official emergency number
programmed into your device.
Closed user group:
—Specify a group of people to whom you
can call and who can call you. Select
Default
to activate
the group agreed on with the network operator. Select
On
to activate this network service. You must enter the group
number that you have obtained from the network.
Fixed dialling:
— If your SIM card supports this service, you
can restrict your calls to a limited set of numbers stored in
the SIM card. When the fixed dialling service is active, the
SIM phone book list shows only numbers in the fixed
dialling list. You still have access to the Contacts directory,
but you cannot call those numbers.
If you want to change the settings or view the fixed
numbers, you are required to enter your PIN2 code. Select
Contacts
to add, modify, or delete numbers.
You are required to enter names and numbers into the
fixed dialling list.
Note:
Fixed dialling also affects service requests (also
known as SS and USSD commands), such as activation
commands for network services.
Sending DTMF tones
DTMF (Dual Tone Multi-Frequency) tones are the tones
you hear when you tap the number keys on the numeric
keypad of the Telephone application. For example, DTMF
tones allow you to communicate with voice mailboxes
and computerised telephony systems.
You can send DTMF tones to the network to, for example,
access automated phone services, voice mailboxes, or
banking systems.
You can send DTMF tones automatically if you have added
a DTMF tone to the
DTMF
field in a contact card in
Contacts application. You can also send DTMF tones
manually in the Dialler view of Telephone. The manual
method of transmitting DTMF tones is recommended
when the DTMF tone string is short.
To send DTMF tone strings automatically during a
call
, press
, and select
Options
>
Send DTMF...
. If
there is a DTMF string for the currently active call in
Contacts, the
Send DTMF
dialog opens. Tap
Send
to
send the DTMF tone automatically, or
Enter manually
to use the Dialler view. The Dialler view opens