P u s h t o t a l k6313. Push to talkIf available, select 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.PTT is a network-dependent service. To check availability and costs, and tosubscribe to the service, contact your network operator. Roaming servicesmay be more limited than for normal calls.Before you can use the PTT service, you must define the required PTT servicesettings. See "PTT settings," p. 67 and "Configuration settings," p. 68.■ PTT channelsA 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, allmembers 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 channelcreator 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 islimited. Contact your service provider for details.Create a channelTo add a channel, select Menu > Push to talk > Add channel, and enter thesettings 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 disablethe channel.