Reverse Circuit - Panasonic KX-TEB308 Features Manual

1.5.2.5

Reverse Circuit

Description
The PBX can detect the reverse signal sent from the telephone company when an extension user tries to
make an outside (CO) line call. This detects the start (the called party goes off-hook) and end (the called
party goes on-hook) of an outgoing outside (CO) line call. The duration of the call can be verified with SMDR
using this feature (
This feature is also known as Polarity Reverse Detection.
Conditions
• If Reverse Signal Detection is enabled for an outside (CO) line (
the PBX will automatically start the timer (
outside party answers the call.
1.20.1 Station Message Detail Recording (SMDR)).
Polarity Reverse Detection [424]),
Call Duration Counter Start [204]) immediately after the
1.5 Making Call Features
Feature Guide 45