diff --git a/examples/__tests__/test-cross-contract-call-ts.ava.js b/examples/__tests__/test-cross-contract-call-ts.ava.js
new file mode 100644
index 000000000..773d718f1
--- /dev/null
+++ b/examples/__tests__/test-cross-contract-call-ts.ava.js
@@ -0,0 +1,81 @@
+import { Worker } from "near-workspaces";
+import test from "ava";
+
+test.beforeEach(async (t) => {
+  // Init the worker and start a Sandbox server
+  const worker = await Worker.init();
+
+  // Prepare sandbox for tests, create accounts, deploy contracts, etx.
+  const root = worker.rootAccount;
+
+  // Deploy status-message the contract.
+  const statusMessage = await root.devDeploy("./build/status-message.wasm");
+
+  // Deploy the onCall contract.
+  const onCall = await root.devDeploy("./build/cross-contract-call-ts.wasm");
+
+  // Init the contract
+  await onCall.call(onCall, "init", {
+    statusMessageContract: statusMessage.accountId,
+  });
+
+  // Create test accounts
+  const ali = await root.createSubAccount("ali");
+  const bob = await root.createSubAccount("bob");
+
+  // Save state for test runs, it is unique for each test
+  t.context.worker = worker;
+  t.context.accounts = {
+    root,
+    statusMessage,
+    onCall,
+    ali,
+    bob,
+  };
+});
+
+test.afterEach.always(async (t) => {
+  await t.context.worker.tearDown().catch((error) => {
+    console.log("Failed tear down the worker:", error);
+  });
+});
+
+test("Nobody is on-call in the beginning", async (t) => {
+  const { onCall } = t.context.accounts;
+  const result = await onCall.view("person_on_call", {});
+  t.is(result, "");
+});
+
+test("Person can be set on-call if AVAILABLE", async (t) => {
+  const { ali, bob, onCall, statusMessage } = t.context.accounts;
+
+  // Ali set her status as AVAILABLE
+  await ali.call(statusMessage, "set_status", { message: "AVAILABLE" });
+  // Bob sets Ali on-call
+  await bob.call(
+    onCall,
+    "set_person_on_call",
+    { accountId: ali.accountId },
+    { gas: 120000000000000 }
+  );
+
+  // Check that Ali is on-call
+  t.is(await onCall.view("person_on_call", {}), ali.accountId);
+});
+
+test("Person can NOT be set on-call if UNAVAILABLE", async (t) => {
+  const { ali, bob, onCall, statusMessage } = t.context.accounts;
+
+  // Ali set her status as AVAILABLE
+  await ali.call(statusMessage, "set_status", { message: "UNAVAILABLE" });
+  // Bob tries to sets Ali on-call
+  await bob.call(
+    onCall,
+    "set_person_on_call",
+    { accountId: ali.accountId },
+    { gas: 120000000000000 }
+  );
+
+  // Check that Ali is NOT on-call
+  t.not(await onCall.view("person_on_call", {}), ali.accountId);
+});
diff --git a/examples/package.json b/examples/package.json
index e1220ca31..55897f4b3 100644
--- a/examples/package.json
+++ b/examples/package.json
@@ -16,6 +16,7 @@
     "build:counter-lowlevel": "near-sdk-js build src/counter-lowlevel.js build/counter-lowlevel.wasm",
     "build:counter-ts": "near-sdk-js build src/counter.ts build/counter-ts.wasm",
     "build:cross-contract-call": "near-sdk-js build src/status-message.js build/status-message.wasm && near-sdk-js build src/cross-contract-call.js build/cross-contract-call.wasm",
+    "build:cross-contract-call-ts": "near-sdk-js build src/status-message.js build/status-message.wasm && near-sdk-js build src/cross-contract-call.ts build/cross-contract-call-ts.wasm",
     "build:cross-contract-call-loop": "near-sdk-js build src/counter.js build/counter.wasm && near-sdk-js build src/cross-contract-call-loop.js build/cross-contract-call-loop.wasm",
     "build:fungible-token-lockable": "near-sdk-js build src/fungible-token-lockable.js build/fungible-token-lockable.wasm",
     "build:fungible-token": "near-sdk-js build src/fungible-token.ts build/fungible-token.wasm && near-sdk-js build src/fungible-token-helper.ts build/fungible-token-helper.wasm",
@@ -43,6 +44,7 @@
     "test:counter-lowlevel": "COUNTER_LOWLEVEL=1 ava __tests__/test-counter.ava.js",
     "test:counter-ts": "COUNTER_TS=1 ava __tests__/test-counter.ava.js",
     "test:cross-contract-call": "ava __tests__/test-cross-contract-call.ava.js",
+    "test:cross-contract-call-ts": "ava __tests__/test-cross-contract-call-ts.ava.js",
     "test:cross-contract-call-loop": "ava __tests__/test-cross-contract-call-loop.ava.js",
     "test:fungible-token-lockable": "ava __tests__/test-fungible-token-lockable.ava.js",
     "test:fungible-token": "ava __tests__/test-fungible-token.ava.js",
diff --git a/examples/src/cross-contract-call.ts b/examples/src/cross-contract-call.ts
new file mode 100644
index 000000000..9d65938be
--- /dev/null
+++ b/examples/src/cross-contract-call.ts
@@ -0,0 +1,52 @@
+import { NearBindgen, call, view, initialize, near, bytes } from "near-sdk-js";
+
+@NearBindgen({ requireInit: true })
+export class OnCall {
+  personOnCall:string ="";
+  statusMessageContract:string ="";
+
+  @initialize({})
+  init({ statusMessageContract }) {
+    this.statusMessageContract = statusMessageContract;
+  }
+
+  @call({})
+  set_person_on_call({ accountId }) {
+    near.log(`Trying to set ${accountId} on-call`);
+    const promise = near.promiseBatchCreate(this.statusMessageContract);
+    near.promiseBatchActionFunctionCall(
+      promise,
+      "get_status",
+      JSON.stringify({ account_id: accountId }),
+      0,
+      30000000000000
+    );
+    near.promiseThen(
+      promise,
+      near.currentAccountId(),
+      "_set_person_on_call_private",
+      JSON.stringify({ accountId: accountId }),
+      0,
+      30000000000000
+    );
+  }
+
+  @call({ privateFunction: true })
+  _set_person_on_call_private({ accountId }) {
+    near.log(`_set_person_on_call_private called, accountId ${accountId}`);
+    const status = JSON.parse(near.promiseResult(0));
+    near.log(`${accountId} status is ${status}`);
+    if (status === "AVAILABLE") {
+      this.personOnCall = accountId;
+      near.log(`${accountId} set on-call`);
+    } else {
+      near.log(`${accountId} can not be set on-call`);
+    }
+  }
+
+  @view({})
+  person_on_call() {
+    near.log(`Returning person on-call: ${this.personOnCall}`);
+    return this.personOnCall;
+  }
+}
diff --git a/packages/near-sdk-js/lib/utils.d.ts b/packages/near-sdk-js/lib/utils.d.ts
index 805f92b74..616adccd0 100644
--- a/packages/near-sdk-js/lib/utils.d.ts
+++ b/packages/near-sdk-js/lib/utils.d.ts
@@ -5,13 +5,10 @@ export interface Env {
     latin1_string_to_uint8array(s: string): Uint8Array;
     utf8_string_to_uint8array(s: string): Uint8Array;
 }
-declare enum PromiseIndexBrand {
-    _ = -1
-}
 /**
  * A PromiseIndex which represents the ID of a NEAR Promise.
  */
-export declare type PromiseIndex = (number | bigint) & PromiseIndexBrand;
+export declare type PromiseIndex = number | bigint;
 /**
  * A number that specifies the amount of NEAR in yoctoNEAR.
  */
@@ -95,4 +92,3 @@ export declare function decode(a: Uint8Array): string;
 export interface IntoStorageKey {
     into_storage_key(): string;
 }
-export {};
diff --git a/packages/near-sdk-js/lib/utils.js b/packages/near-sdk-js/lib/utils.js
index 45e34e83f..395c825bc 100644
--- a/packages/near-sdk-js/lib/utils.js
+++ b/packages/near-sdk-js/lib/utils.js
@@ -1,9 +1,4 @@
 import { cloneDeep } from "lodash-es";
-// make PromiseIndex a nominal typing
-var PromiseIndexBrand;
-(function (PromiseIndexBrand) {
-    PromiseIndexBrand[PromiseIndexBrand["_"] = -1] = "_";
-})(PromiseIndexBrand || (PromiseIndexBrand = {}));
 const TYPE_KEY = "typeInfo";
 var TypeBrand;
 (function (TypeBrand) {
diff --git a/packages/near-sdk-js/src/utils.ts b/packages/near-sdk-js/src/utils.ts
index f611e0d21..7611831bc 100644
--- a/packages/near-sdk-js/src/utils.ts
+++ b/packages/near-sdk-js/src/utils.ts
@@ -10,14 +10,10 @@ export interface Env {
 
 declare const env: Env;
 
-// make PromiseIndex a nominal typing
-enum PromiseIndexBrand {
-  _ = -1,
-}
 /**
  * A PromiseIndex which represents the ID of a NEAR Promise.
  */
-export type PromiseIndex = (number | bigint) & PromiseIndexBrand;
+export type PromiseIndex = number | bigint;
 /**
  * A number that specifies the amount of NEAR in yoctoNEAR.
  */