NEC XN120 Feature Manual page 142

Features
n Programming
Ø 11-12-03 : Service Code Setup (for Service Access) - Override (Off Hook Signaling)
Ø 11-16-04 : Single Digit Service Code Setup - Intercom Off Hook Signaling
Ø 15-02-12 : System Telephone Basic Data Setup - Off Hook Ringing
Ø 15-07-01 : Programming Function Keys
Ø 20-06-01 : Class of Service for Extensions
Ø 20-13-05 : Class of Service Options (Supplementary Service) - Off Hook Signaling Receive
Ø 20-13-06 : Class of Service Options (Supplementary Service) - Automatic Off Hook Signaling
Ø 20-18-06 : Service Tone Timer - Call Waiting Tone Timer
n Related Features
Ø Call Waiting/Camp On and Callback
Ø Direct Inward Dialling (DID)
Ø Handsfree and Monitor
Ø Hotline/Reverse Voice Over
Ø Intercom
Ø One-Touch Calling
Ø Programmable Function Keys
Ø Single Line Telephones
n Operation
To send Off Hook Signals to an extension busy on a call:
Your extension may send Off Hook Signals automatically.
1. Press Off Hook Signaling key (PGM 15-07 or SC 851: 33).
OR
1. Press SPK
2. Dial 809
You hear ringback.
To have your call voice-announce, dial 1.
Features Manual
140