NEC UNIVERGE SV8100 Features & Specifications Manual page 627

UNIVERGE SV8100 Issue 5.0
NT-1 for each BRI (locally provided)
Related Features
Central Office Calls, Answering
Central Office Calls, Placing
Direct Inward Dialing (DID)
Direct Inward Line (DIL)
Forced Trunk Disconnect
Station Message Detail Recording
Transfer
ISDN Compatibility 1 - 617