Dial Tone Detection - NEC UNIVERGE SV9100 Features And Specifications

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Dial Tone Detection

If a trunk has Dial Tone Detection enabled, the system monitors for dial tone from the Telco or PBX when

a user places a call on that trunk. If the user accesses the trunk directly (by pressing a line key or dialing

9 and the trunk number), the system drops the trunk if dial tone does not occur. If the user accesses

the trunk via a Trunk Group (by dialing a trunk group code or automatically using a feature like Last

Number Redial), the system can drop the trunk or optionally skip to the next trunk in the group. Refer to

the chart under Programming for more information.

Default Settings

Disabled for manually dialed calls; enabled for automatically dialed calls.

System Availability

All Terminals

Required Component(s)

Related Features

Automatic Route Selection (ARS)

Call Appearance (CAP) Keys

Central Office Calls, Placing

Last Number Redial

Save Number Dialed

Speed Dial – System/Group/Station

T1 Trunking (with ANI/DNIS Compatibility)

Trunk Groups

Trunk Group Routing