Vodavi XTS-IP Technical Information download pdf (Page 111)

CO Line - Loop Supervision 2-81

Chapter 2 - Features and Operation

CO Line - Loop Supervision

Description

The XTS can be programmed to monitor CO lines while on-hold or connected to RAN devices

or Voice Mail systems, or in Trunk-to-Trunk connections for disconnect signal provided by the

Telco. After a disconnect signal is detected, the XTS releases the CO lines and automatically

place them back in service.

Loop Supervision Programming

Description

Loop Supervision is used primarily with DISA, Voice Mail/Auto Attendant and with

unsupervised conference applications. It lets the system detect when loop current is broken

and an outside line is no longer being used. To determine timer value for loop supervision,

consult your local central office for type and duration of loop supervision signal.

Programming Steps

1. Press FLASH and dial [40]. The following message displays:

2. Enter a valid number for the range of lines being programmed. If only one line is being

programmed, enter that number twice (001 001).

3. Press HOLD to save the entry. A confirmation tone sounds and the display updates.

Flexible button #19 (Page A) is lit. The following message displays to indicate current

programming of that line or group of lines:

XXX-XXX = CO Line Range

4. Press the LOOP SUPV flexible button (FLASH 40, Page A, Button #6).

5. Enter a valid number (1-9) on the dial pad which corresponds to 100-900 ms.

(0 = disabled).

6. Press HOLD to save the entry. A confirmation tone sounds and the display updates.

DEFAULT … Loop Supervision is set for 400 ms for all CO Lines.

CO LINE ATTRIBUTES

SELECT A CO LINE RANGE

If HOLD is pressed without entering a CO range, ALL CO lines are selected.

XXX - XXX PAGE A

ENTERBUTTONNUMBER

LOOP SUPERVISION 0-9

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