diff --git a/src/domain/callService.schema.ts b/src/domain/callService.schema.ts
new file mode 100644
index 0000000..a6f84af
--- /dev/null
+++ b/src/domain/callService.schema.ts
@@ -0,0 +1,17 @@
+export interface InviteToCallReq {
+    userid: string
+    chatid: string
+    targetId: string
+}
+
+export interface GetRTCAccessReq {
+    roomId: string
+    roomType: string
+    userid: string
+    networkId: string
+}
+
+export interface GetRTCAccessResp {
+    rtcConfig: RTCConfiguration
+    liveKitToken: string
+}
\ No newline at end of file
diff --git a/src/mocks/handlers/call.http.ts b/src/mocks/handlers/call.http.ts
new file mode 100644
index 0000000..6d90750
--- /dev/null
+++ b/src/mocks/handlers/call.http.ts
@@ -0,0 +1,10 @@
+import {http, HttpResponse} from "msw";
+import {GetRTCAccessResp} from "../../domain/callService.schema";
+
+export const callHandlers = [
+    http.post('*/v2/chat/getRTCAccess', () => {
+        return HttpResponse.json(<GetRTCAccessResp>{
+            liveKitToken: "liveKitToken",
+        })
+    }),
+]
\ No newline at end of file
diff --git a/src/mocks/index.ts b/src/mocks/index.ts
index 92b575f..67e34a7 100644
--- a/src/mocks/index.ts
+++ b/src/mocks/index.ts
@@ -1,9 +1,11 @@
 import {networkHandlers} from "./handlers/auth.http";
 import {authHandlers} from "./handlers/network.http";
 import {pictureHandlers} from "./handlers/picture.http";
+import {callHandlers} from "./handlers/call.http";
 
 export const allHandlers = [
     ...authHandlers,
     ...networkHandlers,
-    ...pictureHandlers
+    ...pictureHandlers,
+    ...callHandlers
 ]
\ No newline at end of file
diff --git a/src/services/callService.test.ts b/src/services/callService.test.ts
new file mode 100644
index 0000000..7819717
--- /dev/null
+++ b/src/services/callService.test.ts
@@ -0,0 +1,11 @@
+import {describe, expect, it} from "vitest";
+import {CallService} from "./callService";
+
+describe("CallService", () => {
+    const handler = new CallService("", "")
+
+    it('should get RTC access', async () => {
+        const access = await handler.getRTCAccess("", "", "", null)
+        expect(access.liveKitToken).toBe("liveKitToken");
+    });
+})
\ No newline at end of file
diff --git a/src/services/callService.ts b/src/services/callService.ts
new file mode 100644
index 0000000..249d58d
--- /dev/null
+++ b/src/services/callService.ts
@@ -0,0 +1,60 @@
+import {getClient} from "../core/http";
+import {OtpPleCodeSendTestingResp, OtpSendCodeReq} from "../domain/authService.schema";
+import {isAxiosError} from "axios";
+import {GenericErrorBody} from "../domain/http.schema";
+import {GetRTCAccessReq, GetRTCAccessResp, InviteToCallReq} from "../domain/callService.schema";
+
+export class CallService {
+    userid: string;
+    token: string;
+
+    constructor(token: string, userid: string) {
+        this.token = token;
+        this.userid = userid;
+    }
+
+    /**
+     * Calls your chat partner (WebSocket + Apple VoIP PUSH)
+     * @param targetId
+     * @param chatid
+     */
+    async inviteToCall(targetId: string, chatid: string): Promise<void> {
+        try {
+            await getClient(false).post("v2/chat/rtcInvite", <InviteToCallReq>{
+                userid: this.userid,
+                chatid: chatid,
+                targetId: targetId
+            });
+            return
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+
+    /**
+     * Provides access to liveKit and a WebRTC configuration
+     * @param targetId
+     * @param roomId
+     * @param roomType
+     * @param networkId
+     */
+    async getRTCAccess(targetId: string, roomId: string, roomType: string, networkId: string|null): Promise<GetRTCAccessResp> {
+        try {
+            const resp = await getClient(false).post("v2/chat/getRTCAccess", <GetRTCAccessReq>{
+                userid: targetId,
+                networkId: networkId,
+                roomId: roomId,
+                roomType: roomType,
+            });
+            return resp.data
+        } catch (e) {
+            if (isAxiosError<GenericErrorBody>(e)) {
+                throw e;
+            }
+            throw new Error("Unexpected error")
+        }
+    }
+}
\ No newline at end of file