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DOC00101-01
CTPhone 1900 System Overview
Handoff
Handoff is the ability of the system to maintain a call as a user moves from
one base station cell to another.
Digital Transmission
The CTPhone 1900 system features full digital transmission from the
CTPhone Controller to the CTPhone handset. Digital transmission offers
superior voice quality.
Statistics
The CTPhone Manager software provides statistics on base station chan-
nel usage throughout the system. The statistics reported per base station
are peg counts and usage counts related to channel activity and to all-
channels-busy conditions. Peg counters report the number of occurrences
of specific events and usage counters report the amount of time a base
station satisfies a particular condition.
The statistics collected by the CTPhone Manager are described in detail in
the CTPhone Manager on-line help.
Diagnostics
The CTPhone Manager software lets a system administrator check base
station status, and remove and restore service to base stations.
Base station LEDs also provide diagnostic information for system adminis-
trators.
See also Bit Error Rate Test, below.
Alarm Monitoring
The CTPhone Controller sends information about operation of and alarm
conditions in the CTPhone 1900 system out its RS-232-C port. The
CTPhone Manager program is capable of receiving and displaying alarm
information received from the CTPhone Controller.
Bit Error Rate Test
The CTPhone handset provides a Bit Error Rate (BER) test which reports
the quality of coverage of a given base station at the handset. BER testing
helps an installer determine that base station placement will provide ade-
quate coverage and is also useful for troubleshooting. This test may only
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