Configuring Ring Back Options

Configure VSTG to use it's own ring back tone if your IP PBX does not support SIP early media or does not provide a ring back.

The following table describes the properties and values that you can set to configure the ring back option:

Property

Description

VTGProvideRingBack

Specifies whether to provide a ring back tone from the VSTG rather than relying on the IP PBX to provide the ring back tone. The default is TRUE.

VTGRINGBACK_FREQ1

Specifies the first frequency tone of the dual tone.

The default values for:
  • US is 440
  • UK is 400
VTGRINGBACK_FREQ2

Specifies the optional second frequency tone of the dual tone.

The default values for:
  • US is 480
  • UK is 450

VTGRINGBACK_ON

Specifies the Playback ON duration, in milliseconds.

The default values for:
  • US is 2000
  • UK is 400

VTGRINGBACK_OFF

Specifies the Playback OFF duration, in milliseconds.

The default values for:
  • US is 4000
  • UK is 200

VTGRINGBACK_CNT

Specifies the count of the number of frequencies to use.

The default values for:
  • US is 1
  • UK is 2

VTGRINGBACK_INTERVAL

Specifies the Playback OFF duration, in milliseconds for the last tone descriptor.

The default values for:
  • US is 4000
  • UK is 2000