diff --git a/asn1/MAP-Group-Call-Operations.asn b/asn1/MAP-Group-Call-Operations.asn
index 55777fe..d65aad4 100644
--- a/asn1/MAP-Group-Call-Operations.asn
+++ b/asn1/MAP-Group-Call-Operations.asn
@@ -1,7 +1,11 @@
+-- $Id: MAP-Group-Call-Operations.asn 34814 2010-11-08 23:15:16Z etxrab $
+-- 3GPP TS 29.002 V9.3.0 (2010-09)  
+-- 17.6.7	Group Call operations
+ 
 MAP-Group-Call-Operations {
    itu-t identified-organization (4) etsi (0) mobileDomain (0)
    gsm-Network (1) modules (3) map-Group-Call-Operations (22)
-   version9 (9)}
+   version12 (12)}
 
 DEFINITIONS
 
@@ -13,7 +17,8 @@
 	prepareGroupCall,
 	sendGroupCallEndSignal,
 	forwardGroupCallSignalling,
-	processGroupCallSignalling
+	processGroupCallSignalling,
+	sendGroupCallInfo
 ;
 
 IMPORTS
@@ -24,20 +29,26 @@
 
 	systemFailure,
 	unexpectedDataValue,
-	noGroupCallNumberAvailable
+	noGroupCallNumberAvailable,
+	ongoingGroupCall,
+	unknownSubscriber,
+	teleserviceNotProvisioned,
+	dataMissing
 FROM MAP-Errors {
    itu-t identified-organization (4) etsi (0) mobileDomain (0)
-   gsm-Network (1) modules (3) map-Errors (10) version9 (9)}
+   gsm-Network (1) modules (3) map-Errors (10) version12 (12)}
 
 	PrepareGroupCallArg,
 	PrepareGroupCallRes,
 	SendGroupCallEndSignalArg,
 	SendGroupCallEndSignalRes,
 	ForwardGroupCallSignallingArg,
-	ProcessGroupCallSignallingArg
+	ProcessGroupCallSignallingArg,
+	SendGroupCallInfoArg,
+	SendGroupCallInfoRes
 FROM MAP-GR-DataTypes {
    itu-t identified-organization (4) etsi (0) mobileDomain (0)
-   gsm-Network (1) modules (3) map-GR-DataTypes (23) version9 (9)}
+   gsm-Network (1) modules (3) map-GR-DataTypes (23) version12 (12)}
 
 ;
 
@@ -69,4 +80,19 @@
 		ForwardGroupCallSignallingArg
 	CODE	local:42 }
 
+sendGroupCallInfo  OPERATION ::= {				--Timer m
+	ARGUMENT
+		SendGroupCallInfoArg
+	RESULT
+		SendGroupCallInfoRes
+	ERRORS {
+		systemFailure |
+		ongoingGroupCall |
+		unexpectedDataValue |
+		dataMissing |
+		teleserviceNotProvisioned |
+		unknownSubscriber}
+	CODE	local:84 }
+
+
 END