Enable 2 way Voice - Disable 2 way Voice

1) Enter Settings with installer code (Default 1561)

2) Enter Installer Tool Box

3) Enter Panel Programming

4) Enter Advanced Programming

5) Enter System Configuration

Here You can change The 2 Way Voice settings under Q105

2gig-edg-rk-2gig-wireless-secondary-touchscreen-alarm-keypad-for-2gig-edge-panels-26