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13. Push to talk
If available, select Menu > Push to talk.
Push to talk (PTT) over cellular 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 phone.
PTT is a network-dependent service. To check availability and costs, and to subscribe
to the service, contact your network operator. Roaming services may be more
limited than for normal calls.
Before you can use the PTT service, you must define the required PTT service
settings. See "PTT settings," p. 66 and "Configuration settings," p. 67.
■ PTT channels
A PTT channel comprises a group of people (for example, friends or a workteam)
who joined the channel after they where invited to. When you call a channel,
all members joined to the channel hear the call simultaneously.
There are different types of PTT channels:
Public channel — Every channel member can invite other persons.
Private channel — Only persons which receive an invitation by the channel
creator can join in.
Provisioned channel — A permanent channel is created by the service provider.
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:
Channel name: — Enter a name for the new channel.
Channel status: — Select Active to set the channel active or Inactive to disable
the channel.
Chnl. nickname: — Enter your nick name to be shown the new channel.
Chnl. security: > Public channel or Private channel
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