radvision H.323 中cmUserInput相关操作

cmUserInputData uid;
RvChar strBuf[10];
RvPvtNodeId msgId;
RvStatus status;
 
strBuf[0] = 0x27; /* Start Escape character - tag indication
of GeneralString*/
strBuf[1] = 4; /* Length of the actual string - in this case
4 bytes */
strBuf[2] = '1';
strBuf[3] = '2';
strBuf[4] = '3';
strBuf[5] = '4';
 
uid.data = strBuf;
uid.length = 6;
 
/* Build the userInput message */
msgId = cmUserInputBuildAlphanumeric(hApp, &uid);
 
/* Send the UII */
status = cmCallSendUserInput(hsCall, msgId);
 
if ((status == RV_ERROR_DESTRUCTED) || (status ==
RV_ERROR_NULLPTR))
    pvtDelete(hVal, msgId);