Справочник Пользователя для Aastra Telecom 57I

Operational Features

5-134

41-001160-00, Release 2.1, Rev 04  

IP Phone Administrator Guide

1

Click on Advanced Settings->Global SIP->Advanced SIP Settings.

2

Enter a value, in seconds, from 120 (2 min) to 3600 (1 hour) in the "ACD Subscription Period" field.

3

Click 

 to save your changes.