Availability of network services
The network services available depend on the
model of your phone, the cellular system (AMPS
or NAMPS) on which it operates, and the services
offered by your cellular service provider.
To be able to use any of the network services, you
need to subscribe to the particular service. The
service may not be available in all cellular service
provider networks. Please contact your local
cellular service provider for further information.
Some services which may be available are listed
below and described briefly in this section:
• Calling Line Identification
• Call Waiting
• Message Waiting
• Voicemail
• Digital Messaging Service, which includes
Short Message Service and Callback Number
Service.