![background image](http://html.mh-extra.com/html/samsung/sgh-x838/sgh-x838_user-manual_1191312041.webp)
Call
functions
39
•
Mute keys
/
Send keys
: switch the key
tones off or on.
•
Send DTMF
: send the DTMF (Dual tone
multi-frequency) tones as a group. The
DTMF tones are the tones used in phones for
tone dialling, sounding when you press the
number keys. This option is helpful for
entering a password or an account number
when you call an automated system, like a
banking service.
•
Phonebook
: access the contact list.
•
SIM service
: access special services, such
as news, weather forecasts, entertainment,
and location services, provided by your SIM
card. This option is available when you use a
SIM card supporting SIM Application Toolkit
menus.
•
Join
: set up a multi-party call by adding a
caller on hold to a currently active call. You
can include up to 5 people on a multi-party
call.
•
Private
: have a private conversation with
one multi-party call participant. The other
participants can converse with each other.
After the private conversation, select
Join
to
return both private participants to the multi-
party call.
•
Removed
: disconnect one multi-party call
participant.
To communicate with answering machines or
computerised telephone systems,
Send
keys
must be selected.
X838_ENG.book Page 39 Tuesday, December 12, 2006 9:06 AM