diff --git a/chan_capi_pvt.h b/chan_capi_pvt.h
index 05865c4..0ee1c9e 100644
--- a/chan_capi_pvt.h
+++ b/chan_capi_pvt.h
@@ -90,6 +90,7 @@ static inline void write_capi_word(void *m, unsigned short val)
 #define CAPI_STATE_CONNECTPENDING       6
 #define CAPI_STATE_ANSWERING            7
 #define CAPI_STATE_DID                  8
+#define CAPI_STATE_INCALL               9
 
 #define CAPI_STATE_PUTTINGONHOLD        10
 #define CAPI_STATE_RETRIEVING           11