NEC Electra Elite IPK II Features And Specifications Manual page 120

Document Revision 1
20-06-01 Class of Service for Extensions
Assign a Class Of Service (1~15) to an extension.
20-09-06 Class of Service Options (Incoming Call Service) - Incoming Time Information Display
If this option is set to "1", the Incoming Call Time is displayed on the multiline terminals's LCD
while the telephone is ringing.
21-01-03 Trunk Interdigit Time (External)
The system waits for this timer to expire before starting the Call Timer.
Operation
To time your trunk calls:
1. Place a trunk call.
The timer starts automatically.

2 - 98
Electra Elite IPK II
Call Duration Timer