diff --git a/api/tests/voiceRescheduleLane.test.ts b/api/tests/voiceRescheduleLane.test.ts
index c9124d2..ab120d0 100644
--- a/api/tests/voiceRescheduleLane.test.ts
+++ b/api/tests/voiceRescheduleLane.test.ts
@@ -228,11 +228,14 @@ describe("voice hidden reschedule lane", () => {
   });
 
   it("unadvertised digit 4 routes to hidden staff-controlled reschedule lane", async () => {
+    const rescheduleSpy = jest.spyOn(MockSchedulingProvider.prototype, "rescheduleAppointment");
     const callSid = `${CALLSID_PREFIX}DIGIT_4`;
     const from = TEST_PHONES[0];
 
     // First call inbound to get IVR menu
-    await postInbound(callSid, from);
+    const menuRes = await postInbound(callSid, from);
+    expect(menuRes.text).not.toContain("Press 4");
+    expect(menuRes.text).not.toContain("reschedule");
 
     // Press digit 4 via intent endpoint (simulates actual DTMF press)
     // The intent endpoint processes DTMF and routes to reschedule
@@ -242,6 +245,10 @@ describe("voice hidden reschedule lane", () => {
     expect(res.type).toBe("text/xml");
     expect(res.text).toContain("/api/voice/reschedule?stage=start");
     expect(res.text).toContain("Your appointment is not moved yet; staff will confirm the change.");
+    expect(res.text).not.toContain("<Pay");
+    expect(res.text).not.toContain("payment-capture");
+    expect(res.text).not.toContain("chargeAmount");
+    expect(rescheduleSpy).not.toHaveBeenCalled();
   });
 
 
@@ -614,6 +621,60 @@ describe("voice hidden reschedule lane", () => {
     expect(rescheduleSpy).not.toHaveBeenCalled();
   });
 
+  it("default-disabled self-service confirmation guard never calls provider reschedule", async () => {
+    process.env.ENABLE_PUBLIC_SELF_SERVICE_RESCHEDULE = "false";
+    const rescheduleSpy = jest.spyOn(MockSchedulingProvider.prototype, "rescheduleAppointment");
+    const callSid = `${CALLSID_PREFIX}DEFAULT_CONFIRM_GUARD`;
+    const from = TEST_PHONES[0];
+
+    await postRescheduleStart(callSid, from);
+    await postRescheduleLookup(callSid, from, "", "15559990201");
+    const callback = await readLatestRescheduleCallback(from);
+    expect(callback).toBeDefined();
+
+    const offeredSlot = {
+      start: "2026-06-08T15:00:00.000Z",
+      requestedDate: "2026-06-08",
+      displayTime: "3:00 PM",
+      dayLabel: "Monday",
+      appointmentTypeId: "123",
+      calendarId: "456",
+    };
+    const encodedSlot = encodeURIComponent(JSON.stringify([offeredSlot]));
+    await prisma.callbackRequest.update({
+      where: { id: callback!.id },
+      data: {
+        summary: [
+          callback!.summary,
+          `requested_new_time=2026-06-08 at 3 pm`,
+          `self_service_offered_slots_json=${encodedSlot}`,
+          `self_service_selected_slot_json=${encodedSlot}`,
+          `self_service_selected_slot=${offeredSlot.start}`,
+          `self_service_selected_calendar_id=${offeredSlot.calendarId}`,
+        ]
+          .filter(Boolean)
+          .join("\n"),
+      },
+    });
+
+    const res = await postConfirmReschedule(callSid, from, callback!.id, "", "1");
+
+    expect(res.status).toBe(200);
+    expect(res.text).toContain("I can send that request to the team");
+    expect(res.text).toContain("Your appointment is not moved yet; staff will confirm the change.");
+    expect(res.text).not.toContain("You&apos;re all set");
+    expect(res.text).not.toContain("appointment has been moved");
+    expect(res.text).not.toContain("<Pay");
+    expect(res.text).not.toContain("payment-capture");
+    expect(res.text).not.toContain("chargeAmount");
+    expect(rescheduleSpy).not.toHaveBeenCalled();
+
+    const guardedCallback = await readLatestRescheduleCallback(from);
+    expect(guardedCallback?.summary).toContain(
+      "self_service_guardrail_fallback=confirmation_guard_failed"
+    );
+  });
+
   it("explicit owner flag can offer replacement slots without mutating", async () => {
     process.env.ENABLE_PUBLIC_SELF_SERVICE_RESCHEDULE = "true";
     const getAvailabilitySpy = jest
diff --git a/api/tests/voiceStaffHandoff.test.ts b/api/tests/voiceStaffHandoff.test.ts
index e408734..429132a 100644
--- a/api/tests/voiceStaffHandoff.test.ts
+++ b/api/tests/voiceStaffHandoff.test.ts
@@ -6,6 +6,7 @@ import * as routingPolicy from "../src/lib/scheduling/routingPolicy";
 import { flushPendingEventPersistenceForTests } from "../src/lib/events";
 import { setCallerPhoneForCall } from "../src/lib/requestContext";
 import { flushStaffFallbackForTests } from "../src/lib/staffFallback";
+import { MockSchedulingProvider } from "../src/lib/scheduling/mockProvider";
 
 const CALLSID_PREFIX = "CA_P3_HANDOFF_";
 const TEST_PHONE = "+15558880101";
@@ -31,19 +32,32 @@ async function postPress3(params: {
   callSid: string;
   from: string;
   digits: string;
+  speech?: string;
 }) {
   return request(app)
     .post("/api/voice/intent")
     .type("form")
     .send({
       CallSid: params.callSid,
-      SpeechResult: "",
+      SpeechResult: params.speech || "",
       Digits: params.digits,
       From: params.from,
       To: "+18005550199",
     });
 }
 
+async function postCancellationLookup(callSid: string, from: string, speech: string) {
+  return request(app)
+    .post("/api/voice/reschedule?stage=cancel_lookup")
+    .type("form")
+    .send({
+      CallSid: callSid,
+      From: from,
+      SpeechResult: speech,
+      Digits: "",
+    });
+}
+
 describe("voice staff handoff", () => {
   const originalEnv = { ...process.env };
 
@@ -116,6 +130,71 @@ describe("voice staff handoff", () => {
     }
   });
 
+  it("Press 3 business-hours cancellation speech is preserved before staff dial", async () => {
+    process.env.VOICE_STAFF_HANDOFF_ENABLED = "true";
+    process.env.VOICE_STAFF_PHONE_E164 = "+15551231234";
+    const rescheduleSpy = jest.spyOn(
+      MockSchedulingProvider.prototype,
+      "rescheduleAppointment"
+    );
+
+    const isWithinBusinessHoursSpy = jest
+      .spyOn(routingPolicy, "isWithinBusinessHours")
+      .mockReturnValue(true);
+
+    try {
+      const callSid = `${CALLSID_PREFIX}BH_CANCEL_INTERCEPT_001`;
+      const speech = "I need to cancel my appointment";
+      const routeRes = await postPress3({
+        callSid,
+        from: TEST_PHONE,
+        digits: "3",
+        speech,
+      });
+
+      expect(routeRes.status).toBe(200);
+      expect(routeRes.text).toContain("/api/voice/reschedule?stage=cancel_lookup");
+      expect(routeRes.text).toContain("Your appointment is not canceled yet");
+      expect(routeRes.text).not.toContain("<Dial");
+      expect(routeRes.text).not.toContain("preferred new appointment time");
+      expect(routeRes.text).not.toContain("preferred new day");
+      expect(routeRes.text).not.toContain("<Pay");
+      expect(routeRes.text).not.toContain("payment-capture");
+      expect(routeRes.text).not.toContain("chargeAmount");
+
+      const cancelRes = await postCancellationLookup(callSid, TEST_PHONE, speech);
+
+      expect(cancelRes.status).toBe(200);
+      expect(cancelRes.text).toContain("cancellation request");
+      expect(cancelRes.text).toContain("Your appointment is not canceled yet");
+      expect(cancelRes.text).not.toContain("preferred new appointment time");
+      expect(cancelRes.text).not.toContain("preferred new day");
+      expect(cancelRes.text).not.toContain("cancelAppointment");
+      expect(cancelRes.text).not.toContain("deleteAppointment");
+      expect(cancelRes.text).not.toContain("automatic Acuity");
+      expect(cancelRes.text).not.toContain("<Pay");
+      expect(cancelRes.text).not.toContain("payment-capture");
+      expect(cancelRes.text).not.toContain("chargeAmount");
+      expect(rescheduleSpy).not.toHaveBeenCalled();
+
+      const callback = await prisma.callbackRequest.findFirst({
+        where: {
+          source: "voice",
+          phone: TEST_PHONE,
+          requestType: "cancellation",
+        },
+        orderBy: [{ createdAt: "desc" }],
+      });
+
+      expect(callback).toBeTruthy();
+      expect(callback?.scenarioType).toBe("cancellation");
+      expect(callback?.summary).toContain("staff_action_required=confirm_cancellation");
+      expect(callback?.summary).not.toContain("requested_new_time=");
+    } finally {
+      isWithinBusinessHoursSpy.mockRestore();
+    }
+  });
+
   it("Press 3 missing staff number creates callback fallback", async () => {
     process.env.VOICE_STAFF_HANDOFF_ENABLED = "true";
     delete process.env.VOICE_STAFF_PHONE_E164;