Description:
Norstar DID Trunk Cartridge NT5B37 provides (4) 2 wire direct in dialing trunks. Requires one slot in a copper or fiber trunk module. Compatible with Norstar DR4 or DR5.
Manufactured by: NORTEL
Model/Part #: NT5B37
Provides access to up to 4 analog DID trunks
Routes calls from the public network directly to sets, bypassing an attendant, reducing traffic to the central answering position
All DID Trunk Cartridges have Disconnect Supervision
DID trunks do not support CMS/Class services (Caller ID)