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5
5 Configuring the Advance Features
5.1 Customizing a Simple Auto Attendant
Assigning the Attendant Extensions
5.2 Making an Auto Attendant with Multi-Level IVR
5.3 Making an Auto Attendant with Scheduled Routing Rules
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5.4 Customizing the Music for Call Hold
5.5 Selecting a Preferred Audio Codec
5.6 Making change to the Extension Numbers
6.2 Selecting the Caller ID Detection Mode to PSTN
6.3 Making Changes to the Digit Map
6.4 Selecting the impedance of FXO ports
6.5 Selecting the Call progress tone plan
7.1 Making Change to the Ports
7.2 Making Change to the web GUI Password
8.1 Registering Remote IP Phones to the OM20
8.2 Registering the Remote ATA to the OM20
9 Installation Guide and User Training