90Copyright © 2006 Nokia. All rights reserved.• To add a contact to the PTT contacts list, select Menu > Push to talk > Contacts list > Options > Addcontact.• To add a contact from the channel list, connect to the PTT service, select Channel list, and scroll to thedesired channel. Select Members, scroll to the member whose contact information you want to save, andselect Options. To add a new contact, select Save as. To add a PTT address to a name in Contacts, select Addto contact.■ PTT channelsWhen you call a channel, all members joined to the channel hear the call simultaneously.There are three types of PTT channels:• Provisioned channel — permanent channel created by the service provider• Public — every channel member can invite other persons• Private — only persons who receive an invitation from the channel creator can join inAdd a channelTo add a public or private channel, select Menu > Push to talk > Add channel, and edit the settings in the formfields:Channel status: — Select Default, Listened, or Inactive. Default and Listened are active channels. When youpress the PTT key to make a channel call, the default channel is called if you have not scrolled to any otherchannel or contact.Nickname in channel: — Enter your nickname for the channel.Channel security: — Select Public group or Private group.To send an invitation to the group, select Yes when the phone requests it. You can send the invitation using atext message or infrared.