# h324VideoFastUpdate

Sends a video fast update message to the remote terminal.

#### Prototype

DWORD h324VideoFastUpdate ( MSPHD msphd)

Argument | Description
msphd | MSPP handle associated with the MUX endpoint.

#### Return values

Return value | Description
SUCCESS |
CTAERR_NOT_FOUND | msphd was not found. Neither h324Start nor h324Delete were called.
H324ERR_INTERNAL_ERROR | Internal error in the H.324M Middleware.
H324ERR_MUTEX_LOCK_FAILED | Internal error trying to lock mutex.
H324ERR_NOT_INITIALIZED | h324Initialize was not called first.

#### Events

None.

#### Example

ret = h324VideoFastUpdate( GwConfig[nGw].MuxEp.hd );
if(ret != SUCCESS) {
printf("Error:h324SetupMedia returned 0x%08x\n",ret);
return ret;
}