National ISDN-2 services

Last Updated : Oct 02, 2023 |
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Communication Manager supports National ISDN-2 (NI-2), which offers many of the same services as the AT&T Switched Network protocol. The NI-2 protocol is used when the DS1 media module is administered for Country Code 1, Protocol Version b.
NI-2 provides users with the following services:
  • Calling Line Identification
  • Non-Facility Associated Signaling (ISDN-PRI only)
  • D-Channel Backup, but with ISDN-PRI only
  • Wideband Switching, but with ISDN-PRI only
  • Call-by-Call Service Selection
Related links
ISDN-2 Calling Line IdentificationISDN-2 Non-Facility Associated Signaling (ISDN-PRI only)ISDN-2 D-Channel Backup (ISDN-PRI only)ISDN-2 Wideband Switching (ISDN-PRI only)ISDN-2 Call-by-Call Service Selection