diff --git a/spec/unit/matrix-client.spec.ts b/spec/unit/matrix-client.spec.ts
index 2b8faf506..98c496d76 100644
--- a/spec/unit/matrix-client.spec.ts
+++ b/spec/unit/matrix-client.spec.ts
@@ -1714,4 +1714,39 @@ describe("MatrixClient", function() {
             expect(newSourceRoom._state.get(PolicyScope.User)?.[eventId]).toBeFalsy();
         });
     });
+
+    describe("using E2EE in group calls", () => {
+        const opts = {
+            baseUrl: "https://my.home.server",
+            idBaseUrl: identityServerUrl,
+            accessToken: "my.access.token",
+            store: store,
+            scheduler: scheduler,
+            userId: userId,
+        };
+
+        it("enables E2EE by default", () => {
+            const client = new MatrixClient(opts);
+
+            expect(client.getUseE2eForGroupCall()).toBe(true);
+        });
+
+        it("enables E2EE when enabled explicitly", () => {
+            const client = new MatrixClient({
+                useE2eForGroupCall: true,
+                ...opts,
+            });
+
+            expect(client.getUseE2eForGroupCall()).toBe(true);
+        });
+
+        it("disables E2EE if disabled explicitly", () => {
+            const client = new MatrixClient({
+                useE2eForGroupCall: false,
+                ...opts,
+            });
+
+            expect(client.getUseE2eForGroupCall()).toBe(false);
+        });
+    });
 });
diff --git a/spec/unit/webrtc/groupCall.spec.ts b/spec/unit/webrtc/groupCall.spec.ts
index 1c2508766..cfc70cfa4 100644
--- a/spec/unit/webrtc/groupCall.spec.ts
+++ b/spec/unit/webrtc/groupCall.spec.ts
@@ -1118,4 +1118,93 @@ describe('Group Call', function() {
             expect(onActiveSpeakerEvent).toHaveBeenCalledWith(FAKE_USER_ID_3);
         });
     });
+
+    describe("creating group calls", () => {
+        let client: MatrixClient;
+
+        beforeEach(() => {
+            client = new MatrixClient({
+                baseUrl: "base_url",
+                request: (() => {}) as any, // NOP
+            });
+
+            jest.spyOn(client, "sendStateEvent").mockResolvedValue({} as any);
+        });
+
+        afterEach(() => {
+            client.stopClient();
+        });
+
+        it("throws when there already is a call", async () => {
+            jest.spyOn(client, "getRoom").mockReturnValue(new Room("room_id", client, "my_user_id"));
+
+            await client.createGroupCall(
+                "room_id",
+                GroupCallType.Video,
+                false,
+                GroupCallIntent.Prompt,
+            );
+
+            await expect(client.createGroupCall(
+                "room_id",
+                GroupCallType.Video,
+                false,
+                GroupCallIntent.Prompt,
+            )).rejects.toThrow("room_id already has an existing group call");
+        });
+
+        it("throws if the room doesn't exist", async () => {
+            await expect(client.createGroupCall(
+                "room_id",
+                GroupCallType.Video,
+                false,
+                GroupCallIntent.Prompt,
+            )).rejects.toThrow("Cannot find room room_id");
+        });
+
+        describe("correctly passes parameters", () => {
+            beforeEach(() => {
+                jest.spyOn(client, "getRoom").mockReturnValue(new Room("room_id", client, "my_user_id"));
+            });
+
+            it("correctly passes voice ptt room call", async () => {
+                const groupCall = await client.createGroupCall(
+                    "room_id",
+                    GroupCallType.Voice,
+                    true,
+                    GroupCallIntent.Room,
+                );
+
+                expect(groupCall.type).toBe(GroupCallType.Voice);
+                expect(groupCall.isPtt).toBe(true);
+                expect(groupCall.intent).toBe(GroupCallIntent.Room);
+            });
+
+            it("correctly passes voice ringing call", async () => {
+                const groupCall = await client.createGroupCall(
+                    "room_id",
+                    GroupCallType.Voice,
+                    false,
+                    GroupCallIntent.Ring,
+                );
+
+                expect(groupCall.type).toBe(GroupCallType.Voice);
+                expect(groupCall.isPtt).toBe(false);
+                expect(groupCall.intent).toBe(GroupCallIntent.Ring);
+            });
+
+            it("correctly passes video prompt call", async () => {
+                const groupCall = await client.createGroupCall(
+                    "room_id",
+                    GroupCallType.Video,
+                    false,
+                    GroupCallIntent.Prompt,
+                );
+
+                expect(groupCall.type).toBe(GroupCallType.Video);
+                expect(groupCall.isPtt).toBe(false);
+                expect(groupCall.intent).toBe(GroupCallIntent.Prompt);
+            });
+        });
+    });
 });