Panasonic 700 User Guide

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Chapter 4. Key Telephone Features
Section 700 - Operation  
4-10
DBS Manual - Revised April 2000
DBS-2.3/9.2-700
The length of a conversation on a CO line usually appears on display phones. 
The duration display shows the number of minutes and seconds the call has 
lasted. 
The display does not begin right away; it begins either 16 or 30 seconds after 
the call begins, depending on how the DBS is programmed.
Related Programming
• FF1 (System): Call Duration Display
• FF1 (System): SMDR Display Start Timer for CO Calls