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12. Push to talk
Push to talk over cellular (PTT) is a two-way radio service available over a GSM/GPRS cellular network. Push to talk provides
direct voice communication connected with the push of the PTT key.
You can use push to talk to have a conversation with one person or with a group of people having compatible devices. When
your call is connected, the person or group you are calling does not have to answer the phone. Besides the GPRS counters,
the phone registers only one-to-one calls in the recent call lists in Call register. The participants should confirm the reception
of any communications where appropriate as there is no other confirmation whether the recipient(s) have heard the call.
To check availability and costs, and to subscribe to the service, contact your network operator or service provider. Note that
roaming services may be more limited than for normal calls.
Before you can use the push to talk service, you must define the required push to talk service settings.
While you are connected to the push to talk service, you can use the other functions of the phone. The push to talk over
cellular service is not connected to traditional voice communication, and therefore many of the services available for
traditional voice calls (for example, voice mailbox) are not available for push to talk over cellular communications.
Opening the push to talk menu
Press Menu, and select Push to talk. The push to talk menu selection list is shown.
• To connect to or disconnect from the push to talk service, select Switch PTT on or Switch PTT off.
• To view the received callback requests, select Callback inbox.
• To view the list of push to talk groups, select Group list.
Tip: To quickly access the Group list from standby mode, press .
• To view the list of contacts to which you have added the push to talk address, select Contacts list.
• To add a new push to talk group to the phone, select Add group.
• To set the required settings for the push to talk function, select Settings.
• To open the browser and to connect to the push to talk network portal provided by the service provider, select Services.
Settings for push to talk
There are two kinds of push to talk settings: settings for use and service settings.
Settings for use
Press Menu, and select Push to talk → Settings → PTT settings.
• To select the phone to allow the reception of incoming one-to-one calls, select 1 to 1 calls → On. If you select Off, you can
make but not receive one-to-one calls. Note that the service provider may offer some services that override these
settings. To set the phone to first notify you of incoming one-to-one calls with a ringing tone, select 1 to 1 calls → Notify.
• To activate the listened groups, select Listened groups → On.
• To set the phone to automatically connect to the push to talk service when you switch the phone on, select PTT status in
startup → Yes.
• To hide your push to talk address from group and one-to-one calls, select Send my PTT address → No.
• You can also select settings for push to talk tones in the Tone settings menu. To select the phone to use loudspeaker or
earpiece for push to talk communication, select Tone settings → Push to talk settings → Voice options → Loudspeaker or
Headset. If you select Do not disturb, you cannot make or receive any push to talk calls.
Push to talk service settings
For availability of settings for the push to talk service, contact your network operator or service provider. You may receive
the settings over the air.
See Over the air settings service on page 14.
Editing and activating the settings
1. Press Menu, and select Push to talk → Settings.
2. To key in the settings, select Active service settings, scroll to the set you would like to activate, and press Activate.
3. Select Edit active service settings. Select each of the settings one by one, and key in all the required settings according to
the information that you received from your network operator or service provider. Note that the Connection settings
submenu contains the required connection settings.
Connecting to and disconnecting from the push to talk service
•
To connect to the push to talk service, press Menu, and select Push to talk → Switch PTT on.
indicates the push to talk
connection.
indicates that the service is temporarily unavailable. The phone automatically tries to reconnect to the
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