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101-1620-005 GL-1
Glossary
access control list
A list of people in a voice mail domain who have access to Octel Unified Messenger applications
and tools.
AccuCall+
A Rhetorex utility for Windows NT and Windows 95 that allows you to build and edit tone tables.
Adaptive Differential Pulse Code Modulation (ADPCM)
A speech encoding method that produces a digital signal with a lower bit rate than standard pulse
code modulation (PCM). ADPCM calculates the difference between two consecutive speech
samples in standard PCM coded telecom voice signals. The ADPCM encoding rate is 32 kilobit per
second.
automated attendant
An automated service that greets callers and instructs them on how to proceed. The automated
attendant also allows other call handling features such as intercom paging and call screening.
busy hour
A method used to calculate the number of ports required when sizing a system. It represents the
busiest hour of the day, when the volume of calls generated by internal subscribers and external
callers reaches its peak.
call management
A component of the voice server that provides an interface between the voice cards and Octel
Unified Messenger telephony applications.
call screening
A call answering option that requires callers to announce themselves before a subscriber answers
the call. If a call is screened and the subscriber is not available to answer it, the caller has the choice
of leaving a message, or being forwarded to a different extension, or to the operator.
carried traffic
The total busy hour traffic that was offered to the group of ports minus the blocked calls