User Manual

Basic Operations
31
Call.
Send DTMF
This option enables you to send DTMF.
œ Note: You cannot send DTMF when the ongoing call is on hold.
Phonebook
This option enables you to enter the Phonebook submenu during an
active GSM call. Refer to Section “3 Phonebook”.
Send SMS
This option enables you to send a text message during an active GSM call.
Refer to Section “7.1.1 New ”.
Notepad
This option enables you to edit and save a notepad during an active GSM
call.
Mute/Unmute
This option enables you to mute/unmute the ongoing call.
The Mute function and the Unmute function are a pair of corresponding
functions. Mute or Unmute is determined by whether the current active
call is mute or not.
2.10 GSM Conference Call
œ Note: GSM Conference Call function requires network support. It
may vary depending on the network. Contact your local GSM
service provider for assistance.
• Up to 5 parties can be connected during a GSM conference call.
When GSM Conference Call function is started, press the left soft key
(Options) during an active GSM call to perform the following
operations:
Hold/Resume