NEC UNIVERGE SV8100 Features & Specifications Manual page 402

Issue 5.0 UNIVERGE SV8100
Related Features
Central Office Calls, Answering
Direct Inward Line (DIL)
Direct Inward System Access (DISA)
Off-Hook Signaling
Paging, External
Programmable Function Keys
Station Message Detail Recording
Transfer
1 - 392 Direct Inward Dialing (DID)