Some Class of Service (CLS) codes can be configured to [A]llow or [D]eny by changing the last letter of the code appropriately.  For Example, CNDA allows Calling Party Name Display, while CNDD denies display of the Calling Party’s Name.

  • AAD :: Automatic Answerback Denied
  • ABDD :: Abandoned Call Record and time to answer Denied
  • ADD :: Automatic Digital Display (default)
  • AHD :: Automatic Hold Denied
  • ARHD :: Audible Reminder of Held Call Denied
  • ASCD :: Alarm Security Denied
  • AUTU :: Unrestricted Authorization code Class of Service
  • BFED :: Boss Secretary Feature Enhancement Denied
  • BUZZ :: Buzz Allowed
  • CCSD :: Controlled Class of Service Denied
  • CDCA :: Conferee Display Count Allowed
  • CDMD :: Denies external station activity records to be generated for the set
  • CFHD :: Call Forward Hunt Override Denied
  • CFTD :: Call Forward By Call Type Denied
  • CFXD :: Call Forward All Calls to external DN Denied
  • CLBD :: Calling Party Number and Name per-line Blocking Denied
  • CLTD :: Network Call Trace from this telephone Denied
  • CMSD :: Command and Status Link Denied
  • CNDA :: Call Party Name Display Allowed
  • CNID :: Call Number Information Denied
  • CPFA :: Forced Camp-On From another set Allowed
  • CPTA :: Forced Camp-On To another set Allowed
  • CRPD :: Corporate Directory Denied
  • CTD :: Conditionally Toll Denied (default)
  • DAPA :: Display Access Prefix Allowed
  • DDGA :: DN Display on other set Allowed
  • DDV :: Data Port Verification Denied
  • DNDA :: Dialed Name Display Allowed
  • DPUA :: DN PickUp Allowed
  • DRDD :: Distinctive Ringing by Directory number Denied
  • DRG1 :: High fast tone 667Hz/500Hz, warble rate 10.4Hz
  • DSX :: Data Service access or IS Servers TN Denied
  • EXR0 :: Executive Distinctive Ringing Off
  • FBD :: Call Forward Busy Denied
  • FICD :: Forward Intercom Calls Denied
  • FITD :: Flexible Incoming Tones Denied
  • FLXD :: Flexible Voice/Data Denied
  • FND :: Call Forward No Answer Denied (FNA for non 0-out phones)
  • FTTC :: Flexible Trunk-to-Trunk Connections Conditional
  • GPUD :: Group Pickup Denied
  • GRLD :: Group Listening Denied
  • HFA :: Hands Free Allowed
  • HTA :: Hunting Allowed
  • ICDA :: Internal Call Detail Recording Allowed
  • IMD :: Integrated Messaging Service Attendant Denied
  • IRA :: Incoming Ringing Line Preference Allowed
  • LNA :: Last Number Redial Allowed
  • LPR :: Low Priority Station
  • MCBN :: Set linked to non MICB line card
  • MCTD :: Malicious Call Trace Denied
  • MRD :: Message Registration Denied
  • MSID :: Make Set Busy Improvement Denied
  • MTD :: Maintenance Telephone Denied
  • MWA :: Message Waiting Allowed
  • NAID :: No Answer Indication Denied
  • NAMA :: Name Display on other set Allowed
  • NID :: Non-Ringing Incoming Line Preference Denied
  • OLD :: Outgoing Line Preference Denied
  • POD :: Privacy Override Denied
  • PUA :: Call Pickup Allowed
  • RBDD :: Redirection By Day Denied
  • RBHD :: Redirection By Holiday Denied
  • RCBD :: Recall To Boss Denied
  • RMMD :: Remote Monitoring of Messages Denied
  • RTDD :: Call Redirection by Time of Day Denied
  • SFD :: Second level CFNA Denied
  • SMWD :: Extended Message Waiting Indication Denied
  • STSD :: Set-To-Set Messaging Denied
  • SWD :: Station-to-station Call Waiting Denied
  • ULAD :: Deny access to Set Based Administration
  • USRD :: Meridian 911 position denied
  • VCE :: Voice Terminal
  • VMD :: Server Voice Messaging Denied
  • WTA :: Warning Tone Allowed
  • XHD :: Exclusive Hold Denied