# dispGetNumRTCAliases

Returns the number of RTC aliases that are registered on the Natural Access context.

#### Prototype

DWORD dispGetNumRTCAliases ( CTAHD ctahd, unsigned *pnumAliases )

Argument | Description
ctahd | Handle to a Natural Access context.
pnumAliases | Pointer to returned number of aliases registered with the dispatcher.

#### Return values

Return value | Description
SUCCESS |
CTAERR_BAD_ARGUMENT | pnumAliases is NULL.
CTAERR_INVALID_CTAHD | The specified ctahd is invalid.
CTAERR_NOT_INITIALIZED | Natural Access is not initialized.
CTAERR_SVR_COMM | Natural Access Server is not running.

#### Details

dispGetNumRTCAliases returns the number of RTC aliases that are registered.

#### See also

dispGetRTCAliases