diff --git a/ts/session/sending/MessageQueue.ts b/ts/session/sending/MessageQueue.ts
index 9980195a2..d66d8de01 100644
--- a/ts/session/sending/MessageQueue.ts
+++ b/ts/session/sending/MessageQueue.ts
@@ -14,7 +14,7 @@ import {
   SessionRequestMessage,
 } from '../messages/outgoing';
 import { PendingMessageCache } from './PendingMessageCache';
-import { JobQueue, SyncMessageUtils, TypedEventEmitter } from '../utils';
+import { JobQueue, SyncMessageUtils, TypedEventEmitter, GroupUtils } from '../utils';
 import { PubKey } from '../types';
 import { MessageSender } from '.';
 import { SessionProtocol } from '../protocols';
@@ -130,9 +130,7 @@ export class MessageQueue implements MessageQueueInterface {
   public async processPending(device: PubKey) {
     const messages = this.pendingMessageCache.getForDevice(device);
 
-    // TODO: Simpify the isMediumGroup check to not rely on ANY window objects
-    // const isMediumGroup = messages.some(m => m instanceof MediumGroupMessage);
-    const isMediumGroup = false;
+    const isMediumGroup = GroupUtils.isMediumGroup(device);
     const hasSession = SessionProtocol.hasSession(device);
 
     if (!isMediumGroup && !hasSession) {
diff --git a/ts/session/utils/Groups.ts b/ts/session/utils/Groups.ts
new file mode 100644
index 000000000..af9ab9031
--- /dev/null
+++ b/ts/session/utils/Groups.ts
@@ -0,0 +1,24 @@
+import { ConversationController } from '../../window';
+import { PubKey } from '../types';
+
+
+export async function getGroupMembers(groupId: PubKey): Promise<Array<PubKey>> {
+  const groupConversation = ConversationController.get(groupId.key);
+  const groupMembers = groupConversation.attributes.members;
+
+  if (!groupMembers) {
+    return [];
+  }
+
+  return groupMembers.map((member: string) => new PubKey(member));
+}
+
+export function isMediumGroup(groupId: PubKey): boolean {
+  const conversation = ConversationController.get(groupId.key);
+
+  if (!conversation) {
+    return false;
+  }
+
+  return Boolean(conversation.isMediumGroup());
+}
diff --git a/ts/session/utils/index.ts b/ts/session/utils/index.ts
index b5f9dd93e..aa99cb92f 100644
--- a/ts/session/utils/index.ts
+++ b/ts/session/utils/index.ts
@@ -1,7 +1,8 @@
 import * as MessageUtils from './Messages';
+import * as GroupUtils from './Groups';
 import * as SyncMessageUtils from './SyncMessageUtils';
 
 export * from './TypedEmitter';
 export * from './JobQueue';
 
-export { MessageUtils, SyncMessageUtils };
+export { MessageUtils, SyncMessageUtils, GroupUtils };