steventwheeler/clli

---
switching_types:
  MGx: 'End Office Complete Switching System: Crossbar'
  SGx: 'End Office Complete Switching System: Step-By-Step'
  CGx: 'End Office Complete Switching System: Electonic-Analog'
  DSx: 'End Office Complete Switching System: Electonic-Digital'
  nnx: 'End Office: Single or Multiple Entity'
  nnT: 'Tandem Office: Individual Tandem'
  CnT: 'Tandem Office Combination: Tandem/Tandem'
  BnT: 'Tandem Office Combination: Tandem/Switchboard'
  nGT: 'Tandem Office Combination: Tandem/Marker or Control Group'
  ZaZ: 'Common Control Switching Arrangement'
  RSn: 'Remote Switching System'
  XaX: 'Teletypewriter Switching System'
  CTx: 'Concentrator'
  # From: https://groups.google.com/forum/#!topic/comp.dcom.telecom/2YEFiwbDLo8
  RLx: 'Remote Line Card'
  PSx: 'Packet Switch'
  RPx: 'Remote Packet Switch'
  CMx: 'Cellular/Mobile Switch'
  VSx: 'Video Switch'
  OSx: 'Optical Switch'
  OLx: 'Optical Line Card'

switchboard_and_desk:
  C: 'Centralized Automatic Message Accounting (CAMA) Board'
  D: 'Dial Service Assistance (DSA) Board'
  B: 'Combined Toll, Dial Service Assistance (DSA), and Centralized Automatic Message Accounting (CAMA)'
  I: 'Directory Assistance (Information)'
  N: 'Intercept Board'
  Q: 'Combined Directory Assistance and Intercept'
  W: 'Inward Toll Board'
  M: 'Manual Switchboard'
  V: 'Overseas Toll Board'
  R: 'Rate and Route Desk'
  O: 'Service Observing Switchboard (Service Evaluation Center and Signal Converter Allotter Used for the Service Evaluation System)'
  L: 'Special Boards (Conference, Mobile, Marine, Switchboard Converted to Special Operation Service Traffic (SOST))'
  '0': 'Teleconference Board'
  '1': 'Teleconference Board'
  '2': 'Teleconference Board'
  '3': 'Teleconference Board'
  '4': 'Teleconference Board'
  '5': 'Teleconference Board'
  '6': 'Teleconference Board'
  '7': 'Teleconference Board'
  '8': 'Teleconference Board'
  '9': 'Teleconference Board'
  P: 'Telephone Company PBX (Offical)'
  E: 'Traffic Service Position System (TSPS) Board'
  U: 'Traffic Service Position (Universal TSP)'
  T: 'Toll Board (Through, Outward)'
  Z: 'Other Switchboard and Desk Entity'

miscellaneous_switching_termination:
  A: 'Announcement Machine (including Voice Storage System (VSS), Public Announcement System (PA), Mass Announcement Systems (MAS), Audio Response Units)'
  X: 'Centrex (Central Office)'
  C: 'Automatic Distributor'
  T: 'Time Distributor'
  W: 'Weather Distributor'
  D: 'Other Distributor'
  E: 'Emergency (911 Service)'
  I: 'Automatic Intercept System: File Access System (FAS)'
  N: 'Combined Operator, Trouble, and Machine Intercept'
  P: 'Position Link Frame'
  Q: 'Rate and Quote System'
  U: 'TSPS Common Control Unit (Remote Trunking Arrangement)'
  M: 'Other Switching Termination Entities (including Improved Mobile Telephone System (IMTS) and all other mobile control terminals Bellboy Control terminal Coin to Collect Verification Circuit Switchers at Other Common Carrier Locations)'

nonswitching_types:
  F: 'Frame (all types)'
  A: 'Administrative Entity'
  E: 'Exchange Switchroom'
  K: 'Software Cross-connectable Entity'
  M: 'Maintenance Group (including work centers, such as Switching Control Centers, and Operations Systems such as CAROT, CMS, CTMS)'
  P: 'Test or Service Position'
  Q: 'Radio Tower (collocated on building)'
  S: 'Service Center'
  T: 'Toll Test Room (or Board)'
  W: 'Other Nonswitching Entity'