Send DTMF tones
You can send dual tone multi-frequency (DTMF) tones during an active call to control your voice mailbox or other automated
phone services.
To send a DTMF tone sequence, make a call, and wait until the other end answers. Select
Menu
>
Options
>
Send DTMF
. Type the
DTMF tone sequence, or select a predefined sequence.
To attach DTMF tone sequences to contact cards, select
Menu
>
Contacts
. Open a contact, and select
Options
>
Edit
>
Options
>
Add detail
>
DTMF
. Enter the tone sequence. Press * three times to insert p, a pause of about 2 seconds before or between DTMF
tones. Select
Done
. To set the device to send the DTMF tones only after you select
Send DTMF
during a call, press * four times to
insert w.