(See also "Media Converters")

• Split BRIs from a PRI
  • Share an existing PRI to deliver
    BRIs for VC
• Convert a PRI into BRI
  • Use a PRI to deliver multiple BRIs
• Share a PRI between VC and PABX
• Distribute ISDN around a building
  for VC
  • Use any LAN port to distribute ISDN
• Share network ISDN between
  multiple VCs
  • Distribute ISDN around a building and share the ISDN resources
• Convert network BRIs into a local PRI

See here for presentation