P u s h t o t a l k9514. Push to talkSelect Menu > Push to talk.Push to talk (PTT) over cellular is a two-way radio service available over a GPRScellular 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.To check availability and costs, and to subscribe to the service, contact yournetwork 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. 100 and “Configuration settings,” p. 101.■ Push to talk channelsA PTT channel comprises a group of people (for example, friends or a workteam) whojoined the channel after they where invited to. When you call a channel, all membersjoined 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 creatorcan 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.
