Справочник Пользователя для Microsoft Corporation RM-450

If you have set 

 on in 

, PTT automatically logs in to the service when

started. If not, you must log in manually.

To log in to the PTT service manually, select 

.

When the 

 setting of your device is set to

 or 

, or there is an ongoing phone call,

you cannot make or receive PTT calls.

Warning: Do not hold the device near your ear when

the loudspeaker is in use, because the volume may be
extremely loud.

To make a PTT call, select 

, select one

or several contacts from the list, and press the voice key.
Remember to hold the device in front of you during the
call so you can see the display. The display informs you
when it is your turn to speak. Speak towards the
microphone, and do not cover the loudspeaker with your
hands. Press and hold the voice key the entire time you are
talking. When you have finished talking, release the key.

To end the PTT call, press the end key.

When you receive a PTT call, press the call key to answer
the call or the end key to dismiss the call.

Select 

, and a call.

To make a PTT call to a contact, select 

.

To send a request to a contact to call you, select 

.

To create a contact, select 

.

To view, add, modify, delete, or call contacts, select

. A list of names from the Contacts

application is displayed with information about their login
status.

To call a selected contact, select 

.

To make a group call, select several contacts and

.

To send the contact a request to call you, select 

.

To answer a callback request, select 

 to open the

callback request. To make a PTT call to the sender, press
the voice key.

To create a channel, select 

.

To join a channel, select the channel you want to talk to,
and press the voice key.

To invite a user to a channel, select 

.

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