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Push to talk
Push to talk (PTT) is a two-way radio service available over
a GPRS cellular network (network service).
You can use PTT to have a conversation with one person
or with a group of people (channel) having compatible
devices. While you are connected to the PTT service, you
can use the other functions of the device.
To check availability, costs, additional features and to
subscribe to the service, contact your service provider.
Roaming services may be more limited than for normal
calls. This feature may not be available, depending on
your phone.
Before you can use the PTT service, you must define the
required PTT service settings.
See "PTT settings," p. 61.
See "Configuration settings," p. 61.
PTT channels
PTT channel types
A PTT channel comprises a group of people (for example,
friends or a work team) who joined the channel after they
were invited. When you call a channel, all members joined
to the channel hear the call simultaneously.
In a Public channel, every channel member can invite
other persons; in a Private channel, only the channel
creator can invite others.
You can set the status of each channel to Active or
Inactive.
The number of active channels and the number of
members per channel is limited. Contact your service
provider for details.
Create a channel
To add a channel, select Menu > Push to talk > Add
channel, and enter the settings in the form fields.
To send an invitation to the channel, select Yes. To send
further invitations, select Menu > Push to talk >
Channel list, a channel, and Options > Send
invitation.
Switch PTT on and off
To connect to the PTT service, select Menu > Push to
talk > Switch PTT on.
indicates the PTT connection.
indicates that the service is temporarily unavailable. If
you have added channels to the phone, you are
automatically joined to the active channels.
To disconnect from the PTT service, select Switch PTT
off.
You may assign a default function to the PTT (volume up)
key to open the channel list, the contacts list, or a single
channel or contact.
See "PTT settings," p. 61.
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