diff --git a/collaboration-manager-interface/pom.xml b/collaboration-manager-interface/pom.xml
index 568bc150ba4229e9897278c31129f705dcc8555d..94b955a971c77d7fd7876b4e3d88755eac55cdf7 100644
--- a/collaboration-manager-interface/pom.xml
+++ b/collaboration-manager-interface/pom.xml
@@ -31,7 +31,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-dependencies</artifactId>
-		<version>4.5.0</version>
+		<version>4.7.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
diff --git a/collaboration-manager-server/pom.xml b/collaboration-manager-server/pom.xml
index de4386843752e6f65c51447469b0511a43bce00e..e5927ee63efe3cf88c75fc235b385b453a967d5a 100644
--- a/collaboration-manager-server/pom.xml
+++ b/collaboration-manager-server/pom.xml
@@ -40,7 +40,7 @@
 	<name>OZG-Cloud Collaboration Manager Server</name>
 
 	<properties>
-		<vorgang-manager.version>2.17.0</vorgang-manager.version>
+		<vorgang-manager.version>2.18.0</vorgang-manager.version>
 		<api-lib.version>0.13.0</api-lib.version>
 	</properties>
 
diff --git a/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/common/callcontext/CollaborationManagerCallContextGrpcServerInterceptor.java b/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/common/callcontext/CollaborationManagerCallContextGrpcServerInterceptor.java
index a6c91901cbff8c89b5be2a25e737773c19f0393a..9198a27df50f723faee63a8e3119c35e41ff8c13 100644
--- a/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/common/callcontext/CollaborationManagerCallContextGrpcServerInterceptor.java
+++ b/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/common/callcontext/CollaborationManagerCallContextGrpcServerInterceptor.java
@@ -23,13 +23,12 @@
  */
 package de.ozgcloud.collaboration.common.callcontext;
 
-import static de.ozgcloud.common.grpc.GrpcUtil.*;
-
 import java.util.UUID;
 
 import org.apache.logging.log4j.CloseableThreadContext;
 import org.springframework.security.core.context.SecurityContextHolder;
 
+import de.ozgcloud.common.grpc.GrpcUtil;
 import io.grpc.ForwardingServerCallListener;
 import io.grpc.Metadata;
 import io.grpc.ServerCall;
@@ -41,18 +40,6 @@ import lombok.extern.log4j.Log4j2;
 @Log4j2
 public class CollaborationManagerCallContextGrpcServerInterceptor implements ServerInterceptor {
 
-	private static final String REQUEST_ID_KEY = "requestId";
-
-	// TODO In GrpcUtil verschieben
-	static final String KEY_USER_ID = "USER_ID-bin";
-	static final String KEY_USER_NAME = "USER_NAME-bin";
-	static final String KEY_CLIENT_NAME = "CLIENT_NAME-bin";
-	static final String KEY_REQUEST_ID = "REQUEST_ID-bin";
-	static final String KEY_ACCESS_LIMITED_ORGAID = "ACCESS_LIMITED_TO_ORGANISATORISCHEEINHEITENID-bin";
-	static final String KEY_ACCESS_LIMITED = "ACCESS_LIMITED-bin";
-
-	static final String REQUEST_ID_PLACEHOLDER = "no-requestId-given";
-
 	@Override
 	public <A, B> Listener<A> interceptCall(ServerCall<A, B> call, Metadata headers, ServerCallHandler<A, B> next) {
 		return new LogContextSettingListener<>(next.startCall(call, headers), headers);
@@ -94,7 +81,7 @@ public class CollaborationManagerCallContextGrpcServerInterceptor implements Ser
 		}
 
 		void doSurroundOn(Runnable runnable) {
-			try (var ctc = CloseableThreadContext.put(REQUEST_ID_KEY, requestId)) {
+			try (var ctc = CloseableThreadContext.put(GrpcUtil.KEY_REQUEST_ID, requestId)) {
 				startSecurityContext();
 				runnable.run();
 			} finally {
@@ -103,7 +90,7 @@ public class CollaborationManagerCallContextGrpcServerInterceptor implements Ser
 		}
 
 		String getRequestId() {
-			return getFromHeaders(KEY_REQUEST_ID, headers).orElseGet(() -> UUID.randomUUID().toString());
+			return GrpcUtil.getRequestId(headers).orElseGet(() -> UUID.randomUUID().toString());
 		}
 
 		void startSecurityContext() {
@@ -113,17 +100,17 @@ public class CollaborationManagerCallContextGrpcServerInterceptor implements Ser
 
 		CallContextUser createUser() {
 			var builder = CallContextUser.builder()
-					.userId(getFromHeaders(KEY_USER_ID, headers))
-					.userName(getFromHeaders(KEY_USER_NAME, headers))
-					.organisatorischeEinheitenIds(getCollection(KEY_ACCESS_LIMITED_ORGAID, headers));
+					.userId(GrpcUtil.getUserId(headers))
+					.userName(GrpcUtil.getUserName(headers));
 
-			getFromHeaders(KEY_ACCESS_LIMITED, headers).map(Boolean::parseBoolean).ifPresentOrElse(
-					builder::organisationEinheitenIdCheckNecessary,
+			GrpcUtil.getAccessLimited(headers).ifPresentOrElse(
+					isAccessLimited -> builder.organisationEinheitenIdCheckNecessary(isAccessLimited)
+							.organisatorischeEinheitenIds(GrpcUtil.getAccessLimitedOrgaIds(headers)),
 					() -> builder.organisationEinheitenIdCheckNecessary(false));
 
 			// TODO throw exception if missing required data as soon all clients are fine
 			// with using headers for auth data.
-			getFromHeaders(KEY_CLIENT_NAME, headers).ifPresentOrElse(builder::clientName, () -> LOG.warn("Missing client name in grpc header."));
+			GrpcUtil.getClientName(headers).ifPresentOrElse(builder::clientName, () -> LOG.warn("Missing client name in grpc header."));
 
 			return builder.build();
 		}
diff --git a/pom.xml b/pom.xml
index 4fa8b72d8f2c778c2b1ddf5dbe277a23356e142f..c6313649e7a9da534884a1bcc4858aa4dd38e692 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-parent</artifactId>
-		<version>4.5.0</version>
+		<version>4.7.0-SNAPSHOT</version>
 	</parent>
 
 	<groupId>de.ozgcloud.collaboration</groupId>