106Copyright © 2005 Nokia. All rights reserved.■ Push to talkPush to talk over cellular is a two-way radio service available overa GSM/GPRS cellular network (network service). Push to talkprovides direct voice communication connected with the push of the PTT key.You can use push to talk to have a conversation with one person or with a groupof people having compatible devices. When your call is connected, the person orgroup you are calling does not have to answer the phone. Besides the GPRScounters, the phone registers only one-to-one calls in the recent call lists in Callregister. The participants should confirm the reception of any communicationswhere appropriate as there is no other confirmation whether the recipient(s) haveheard the call.To check availability and costs, and to subscribe to the service, contact yournetwork operator or service provider. Roaming services may be more limited thanfor normal calls.If the push to talk service is not available from your provider, the PTT key of yourphone will activate the Voice recorder.Before you can use the push to talk service, you must define the required push totalk service settings.While you are connected to the push to talk service, you can use the otherfunctions of the phone. The push to talk over cellular service is not connected totraditional voice communication, and therefore many of the services available fortraditional voice calls (for example, voice mailbox) are not available for push totalk over cellular communications.
