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Section 700 - Operation Chapter 3. System Features
ICX-50-700 ICX (International) issued October 2000 29
• Outside notification
• Date/time stamp
• Integrated Liquid Crystal Display (LCD) control (with large LCD telephone)
• Message light control
• Up to 254 mail boxes
• Up to 40 hours of message storage time
• Up to 16 voice ports
For more information, see the System Built-In Voice Mail With Two-way Recording Reference
Manual.
Hardware Requirements
•N/A
Considerations
•N/A
Call Progress Tones
Description
The System supplies a full array of call progress tones. These tones provide audible indications of the
status of calls and include dial tone, busy tone, ringback tone, error tone, confirmation tone, and
splash tone. The complete specification for these tones may be found in Section 300 - Installation.
In addition to call progress tones, Direct Station Select (DSS) Light Emitting Diodes (LEDs) and the
display provide additional indication of the status of calls.
Hardware Requirements
•N/A
Considerations
•N/A
Caller ID
Description
(Note: Analog Caller ID is not available in the UK model).
A properly equipped system supports Caller ID, a service offered by the network telephone service
provider. The Exchange sends calling number information to the system after the first ring. Users with
display telephones can see Caller ID information as incoming calls ring at their extension. They can
also access previous calls via the Caller ID Call Log feature. The Caller ID number is recorded in Call
Logging.
Prior to Version 4.0, the system would not display Caller ID information for an extension that was in
use when a call was received. In Version 4.0 or higher, Caller ID information is displayed on the