diff --git a/mcu/interface/sap/imcb_msgid.h b/mcu/interface/sap/imcb_msgid.h
index c03c2d6..c586b6b 100755
--- a/mcu/interface/sap/imcb_msgid.h
+++ b/mcu/interface/sap/imcb_msgid.h
@@ -52,7 +52,15 @@
  * ==========================================================================
  * $Log$
  *
+ * 09 16 2022 xin.ni
+ * [MOLY00827342] [FOCUS][MT6879][Figeac][S0][R2][JAPAN][SOFTBANK][SIM][Lab][OTR-Voice-032031] VoLTE 4sec cancel timer to apply to EPS-FB case
+ * 	
+ * 	.
+ *
  * 03 22 2022 yung-liang.tsou
+ * 	
+ * 	.
+ *
  * [MOLY00784440] [FeatureDevelopment][ALPSAR06354999][Gen97/98][AT&T][v21.3][CDR-LTE-1447][CDR-IMS-1210] IMS voice not available when PDN reject casue 28, 33
  * .imcb msg id
  *
@@ -429,6 +437,9 @@
 
         MSG_ID_IMCB_IMC_IMS_RESET_SUGGESTION_TIMER_REQ, /* IMCB -> IMC */
 
+		/* Attached RAT indication from IMC */
+		MSG_ID_IMCB_IMC_ATTACHED_RAT_IND,
+
     MSG_ID_IMCB_IMC_END,
 
     /* with NCCCI */