NEC Electra Elite IPK II System User Manual page 777

Electra Elite IPK II
System Availability
Terminals
All Multiline and Single Line Terminals
Required Component(s)
None
Related Features
Callback
Call Waiting/Camp-On
Direct Inward Dialing (DID)
Handsfree and Monitor
Hotline
Intercom
One-Touch Calling
Programmable Function Keys
Reverse Voice Over
Single Line Telephones, Analog 500/2500 Sets
Programming

11-12-03 Service Code Setup (for Service Access) – Override (Off-Hook Signaling)
Assign a service code (709 by default) used for Off-Hook Signaling Override.

11-16-04 Single Digit Service Code Setup – Intercom Off-Hook Signaling
Assign a one-digit service code used for Off-Hook Signaling.
Off-Hook Signaling
Document Revision 4C
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