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Glossary
GL-6 Issue 7 May 1998
ced
See
Customer-entered digits.
charge advice
See
Advice of Charge
charge units
Used in countries outside the US, this is a network charge for a call based on the number of charge
units used. A charge unit is of variable length of time associated with a fixed cost. Assignment of
duration of charge time and cost varies from country to county.
CINFO
See
Caller INformation FOrwarding.
Class of Restriction
A feature that allows definition of up to 96 classes of call-origination and call-termination
restrictions for telephones, telephone groups, data modules, and trunk groups.
Collected digits
Touch-tone digits entered by a caller and collected by a collect digits vector step.
See also
dial-ahead digits.
CMS
Call Management System
Controlled Call
A call for which an ASAI adjunct has Third Party Call Control. Controlled calls include calls
controlled via Third Party (Single Call) Call Control and Third Party Domain (Station) Control
associations.
Controlled Station
A station being monitored and controlled via a domain-control association.
CONVERSANT VIS
A Lucent Technologies Voice Response Unit product often used with the DEFINITY ECS to
perform call screening, redirection, and data collection functions.
Converse session
The period of time during which a call is under the control of a converse vector step and the calling
party is interacting with a Voice Response Unit (VRU) or ACD agent.
Converse split
A split/skill or hunt group accessed by a converse vector step. (The term “non-converse split” is
used to signify any split/skill or hunt group accessed by a queue to main or check backup vector
step.)
COR
Class of Restriction
COS
Class of Service
CS
Code Set (term used to distinguish between different meanings assigned to cause values; code set
0 is standard ISDN, code set is used for special services)
Cost of a Call
The cost that the public network reports for a given call. This can take the form of charge units that
have accrued during the call, or the actual cost of the call represented in local currency.