319 
 
Class of Service Options (Supplementary
 
Service) – Allow Class of Service to be
 
Changed 
Turn Off or On the ability of an extension COS
 
to be changed via Service Code 677. 
Class of Service Options (Supplementary
 
Service) – Paging Display 
Turn Off or On an extension user ability to
 
display paging information. 
Class of Service Options (Supplementary
 
Service) – Background Music 
Allow/Deny an extension user from turning
 
Background Music on and off. 
Class of Service Options (Supplementary
 
Service) – Connected Line Identification
 
(COLP) 
Define the supplementary feature availability for
 
each extension Class of Service (COS). 
Class of Service Options (Supplementary
 
Service) – Deny Multiple Barge-Ins 
Allow (1)/Deny (0) the extension user ability to
 
have multiple users Barge-In to their
 
conversation. 
Class of Service Options (Supplementary
 
Service) – Supervisor’s Position
 
Enhancement 
This option must be On for the operator to use
 
service codes in Program 11-13-10 through
 
Program 11-13-13. 
Class of Service Options (Supplementary
 
Service) – Block Manual Off-Hook Signaling 
Turn Off or On an extension user ability to block
 
off-hook signals manually sent from a 
co-worker. 
Class of Service Options (Supplementary
 
Service) – Block Camp-On 
Turn Off or On an extension user ability to block
 
callers from dialing to camp-on. 
Class of Service Options (Supplementary
 
Service) – Queue Status Display 
Turn Off or On the Queue Status Display for an
 
extension Class of Service. Any extension with
 
this option enabled also hears the queue alarm. 
Class of Service Options (Supplementary
 
Service) – Do Not Disturb 
Turn Off or On an extension user ability to set or
 
cancel Do Not Disturb.