typedef enum STATE {
  IDLE,
  TCS_rcv,
  MSD_waiting,
  OLC_waiting,
  MT_waiting,
  MSD_rcv,
  RUNNING
} STATE;

typedef struct H324EndPoint {
        unsigned char VideoBuffer[MAX_VIDEO_BUFFER];
        unsigned int VideoLen;
        unsigned char AudioBuffer[MAX_AUDIO_BUFFER];
        unsigned int AudioLen;
        LCN     lcntable[16];
        MUXPDU  muxpdu;
        MUXSDU  muxsdu;
        ALSDU   alsdu;
        MxElement MultiPlexEntryTable[16];
  STATE localState;
  STATE remoteState;
}H324EndPoint;

dans H324MInit
        ep->localState = IDLE;
        ep->remoteState = IDLE;