Instruction manual
System management
555-233-767188 Issue 4 May 2003
Call restrictions
By dialing an access code, administrators and attendants have the ability to restrict
users from making or receiving certain types of calls. There are five restrictions:
■ Outward — user cannot place external calls.
■ Station-to-station — user cannot place or receive internal calls.
■ Termination — user cannot receive any calls (except priority calls).
■ Toll — user cannot place toll calls but can place local calls.
■ Total — user can neither place nor receive any calls.
Calling party/billing number
(CPN/BN)
Allows the system to transmit calling party number/billing number (CPN/BN)
information to an ISDN-PRI trunk group. The CPN is the calling party’s
telephone number. BN is the calling party’s billing number. The CPN/BN may
contain international country codes. It is used with an adjunct application.
Class of Restriction (COR)
See ‘‘Class of Restriction (COR)’’ on page 171.
Class of Service (COS)
Defines whether or not telephone users have permission to access the following
features and functions:
■ Automatic callback
■ Call forwarding
■ Data privacy
■ Priority calling
■ Restrict call forwarding off-net
■ Call forward busy/don’t answer
■ Extended forwarding and busy/don’t answer
■ Personal station access
■ Trunk-to-trunk transfer restriction override