28.1 Overview .......................................................................................................................................448
28.2 The FXS Screen ...........................................................................................................................449
28.3 The FXO Screen ..........................................................................................................................450
28.4 The BRI Screen ............................................................................................................................451
Extension Management....................................................................................................................453
29.1 Overview .......................................................................................................................................453
29.1.3 Before You Begin .................................................................................................................457
29.3 Extension Features .......................................................................................................................461
Outbound Trunk Group ....................................................................................................................477
30.1 Overview .......................................................................................................................................477
30.1.3 Before You Begin .................................................................................................................481
30.2.1 SIP Trunk Add/Edit .............................................................................................................483
30.2.3 Add DDI/DID Number ..........................................................................................................488
30.2.6 Add/Edit FXO Trunk .............................................................................................................495
30.2.8 Add/Edit BRI Trunk .............................................................................................................497
ISG50 User's Guide
...................................................................................486
Table of Contents
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