# CDI_RING_PARMS

CDI_RING_PARMS controls the type of ring.

#### Dependent function

cdiStartRing

Field name | Type | Units | Default | Description
cadence_type | DWORD | N/A | 0 | Specifies the type of ring the station uses. By convention, 0 is programmed to the national standard by the application. Valid values: 0 = Single ring 1 = Double ring 2 = Triple ring Refer to Ringing for more information.