8
Call Services
TMO
Individual Call
In TMO mode, an individual call can be initiated either
as a half-duplex call or full-duplex call, which can be
received without pressing any key (Direct Signaling)
or by pressing
or PTT (Hook Signaling). Contact
your dealer for such programming as well as more
details.
Initiating an Individual Call
● Via Menu
In the home screen, press Func/OK key to enter
the
“
PhoneBook
”
or
“
Call Log
”
submenu,
and select a contact. Then press PTT to initiate
a half-duplex call, or press
to initiate a full-
duplex call.
● Via Manual Dial
In the home screen, to initiate a half-duplex
individual call, input the number you want to
call through the keypad, and then press PTT.
To initiate a full-duplex individual call, input the
number you want to call through the keypad,
and press
repeatedly to select the call type
“
Private No.
”
. Then press
to initiate a full-
duplex call.
Note:
●
Entry of individual numbers must comply
with the SSI&TSI dialing rules. See
“SSI&TSI Dialing Rules” in “Appendix”
for more details.
●
Calls will end automatically if the
predefined call timer expires.
Answering an Individual Call
● Half-duplex Individual Call
»
If it is an incoming call with Direct Signaling,
there will be an alert tone to inform the called
party that a call is received.
»
If it is an incoming call with Hook Signaling,
the terminal sounds alert and vibrates to
inform the called party that there is an
incoming call. And to receive the call, the PTT
or Func/OK key should be pressed.
To take the talk rights during the call, there
are two situations:
1) If you have no pre-emptive priority, hold
down PTT to talk after the talking party stops
talking and releases its PTT;
2) If you have already been programmed with
pre-emptive priority, hold down PTT to talk at
any time.
● Full-duplex Individual Call
»
If it is an incoming call with Direct Signaling,
there will be an alert tone to inform the called
party that a call is received.
»
If it is an incoming call with Hook Signaling,
the terminal sounds alert and vibrates to
inform the called party that there is an
incoming call. And to receive the call, the PTT,
Func/OK key or
should be pressed.
After the call is established, both parties can talk
at any time, with no need to use any key.
Hanging up/ Rejecting an Individual Call
W h e n i n i t i a t i n g t h e i n d i v i d u a l c a l l , p r e s s
the Options/Back key or
to terminate it.
In the presence of an incoming individual call,
press the Options/Back key or
to reject it.
In the process of an individual call, any party can
press
to terminate it.
Group Call
Initiating a Group Call
In the home screen, you can initiate a group call
to the default group by pressing PTT. To call other
groups, please do as follows:
Step 1 In the home screen, rotate the Group Call
Selector knob to select a group. Please
perform this step as soon as the icon
appears; otherwise, you may fail to select.
Step 2 Press the Func/OK key to confirm your
selection.
Step 3 Press PTT to initiate a group call to this
group.
Answering a Group Call
You can receive a group call without any operation.
To take the talk rights during the call, there are two
situations:
1) if you have no pre-emptive priority, hold down
PTT to talk after the talking party stops talking and
releases its PTT;
2) if you have already been programmed with pre-
emptive priority, hold down PTT to talk at any time.
Hanging up a Group Call
The calling party can press
to exit a group call.
And for the called parties in a group call, only those
enabled with
“
Hang Up
”
feature (programmable by
the dealer) can press
to exit a group call.
）
