NEC Univerge SV8100 Features And Specifications Manual page 1102

Issue 1.0
Operation
Refer to the operation for the following features:
Central Office Calls, Answering
Central Office Calls, Placing
Direct Inward Dialing (DID)
Tie Lines
2 - 1078 T1 Trunking (with ANI/DNIS Compatibility)
UNIVERGE SV8100