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Chapter 1. System Programming (FF1)
Outbound Ground Start Detection Timer
Software Version: CPC-B Version 1.0 or higher
Address: FF1 3# 20# (1-8)#
Description
This timer determines how long the DBS waits for the CO to ground the Tip
side of a trunk (4 seconds by default), before establishing a connection
between the extension and the CO.
When an extension attempts to place an outgoing call on a ground-start trunk,
the DBS grounds the Ring side of the trunk. In response, the CO grounds the
Tip side of the trunk. When the DBS detects the Tip ground, it will establish
the connection (the extension user will hear dial tone).
If the Tip ground is not received within the time set in this address, the DBS
will treat the trunk as unavailable (the extension user will hear busy signal).
Programming
Table 1-27 Outbound Ground Start Detection Timer values
Related Programming
Inbound Ground Start Detection Timer: FF1 3# 21# (1-8)#
Trunk Circuit Type: FF2 (Trunk)# 21# (0-4)#
Page 1-114
FF1 3# 20# (1-8)#
Outbound Ground Start Detection Timer setting
Default: 4 (4 seconds) (see table below)
Setting
1
1 second
2
2 seconds
3
3 seconds
4
4 seconds
5
5 seconds
6
6 seconds
7
7 seconds
8
8 seconds
DBS Manual - Revised April 2000
Section 400-Programming
Value
DBS-2.3/9.2-400
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