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| Parameter | Description |
|---|---|
| cat | Signal category. For audio masking, this value is always 0x04 |
| type | The type of signal. Valid values for 0x04-categorysignals are:
|
| objtype | The type of object that this signal relates to. This can be one of two values:
|
| objid | The unique ID of the object type as specified by the objtypeparameter (above). This is used to locate the object in the Directory The region of the Directory to search in is is specified by the key parameter (below) and governed by the access implied by the placement of the web user whose credentials are used to effect the web request The region of the Directory where the search should be performed is specified by the key parameter (below) and it is governed by the directory access of the web user whose credentials are used to effect the web request |
| key | Specifies the key relating to a container object in the directory (or blank, implying the whole directory) whereby a search on the object specified by objtype and objid is performed below |
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