User's Manual

Table Of Contents
High Definition Touch Color Screen Smart Media Android SIP Conference Phone
ICF-1900
19
Table 7- - Instructions of Keypads
Number The keypad names Instruction
1
DTMF Key
These 12 standard phone keys provide standard phone button
functionality. At the same time, certain long key presses can be
triggered to provide special functions.
#- Long presses this key to open the keyboard lock configuration.
2
Navigate/OK/
Return Keys
The user can press the up/down navigation key to change the
line or move the cursor in the screen list. On some Settings and
text editing pages, the user can press the left/right navigation key
to change options or move the cursor in the screen list to the
left/right.
OK key: Default is equivalent to soft button confirmation, user can
customize the function.
Return key: It will return to the upper menu under any interface,
and it can be used to reject or hang up when making a phone call
or making a call.
3
Hold Key
Press the "Hold" key during the call. The user can hold the call,
and press it again to cancel the hold and restore the normal call
state.
4
Voice Mail Key
Press the "voice mail" button, and the user enters the interface of
SMS and voice mail list.
5
Volume Down Key
In the standby state, ring and ring configuration interface, press
this button to reduce the ring volume; press this button to lower
the volume on the call or volume adjustment screen.
6
Volume Up Key
In the standby state, ring and ring configuration interface, press
this button to increase the ring volume; p
ress this button to
increase the volume on the call or volume adjustment screen.
7
Mute Key During a call, the user can press this key to mute the microphone.
8
Headset Key Users can press this key to open the headset channel
9
Redial Key Press the Redial key to redial the last number dialed
10
Hands-free Key
The user can press this key to open the audio channel of the
speakerphone.