From 58db38e0883e969bb6e5a3271bbf3abc9172ec92 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sat, 30 May 2026 16:34:24 -0400
Subject: [PATCH] fix(voice-call): clamp telephony tts timeout

---
 .../voice-call/src/telephony-tts.test.ts       | 18 ++++++++++++++++++
 extensions/voice-call/src/telephony-tts.ts     |  7 +++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/extensions/voice-call/src/telephony-tts.test.ts b/extensions/voice-call/src/telephony-tts.test.ts
index cb435b5c059..75313b6ff4d 100644
--- a/extensions/voice-call/src/telephony-tts.test.ts
+++ b/extensions/voice-call/src/telephony-tts.test.ts
@@ -1,3 +1,4 @@
+import { MAX_TIMER_TIMEOUT_MS } from "openclaw/plugin-sdk/number-runtime";
 import { afterEach, describe, expect, it, vi } from "vitest";
 import type { VoiceCallTtsConfig } from "./config.js";
 import type { CoreConfig } from "./core-bridge.js";
@@ -179,6 +180,23 @@ describe("createTelephonyTtsProvider deepMerge hardening", () => {
     expect(provider.synthesisTimeoutMs).toBe(15000);
   });
 
+  it("clamps oversized configured timeoutMs", () => {
+    const provider = createTelephonyTtsProvider({
+      coreConfig: {
+        messages: { tts: { provider: "openai", timeoutMs: Number.MAX_SAFE_INTEGER } },
+      },
+      runtime: {
+        textToSpeechTelephony: async () => ({
+          success: true,
+          audioBuffer: Buffer.alloc(2),
+          sampleRate: 8000,
+        }),
+      },
+    });
+
+    expect(provider.synthesisTimeoutMs).toBe(MAX_TIMER_TIMEOUT_MS);
+  });
+
   it("keeps the telephony timeout default when timeoutMs is not configured", () => {
     const provider = createTelephonyTtsProvider({
       coreConfig: createCoreConfig(),
diff --git a/extensions/voice-call/src/telephony-tts.ts b/extensions/voice-call/src/telephony-tts.ts
index 4d7a8ed1f42..6302914429d 100644
--- a/extensions/voice-call/src/telephony-tts.ts
+++ b/extensions/voice-call/src/telephony-tts.ts
@@ -1,3 +1,4 @@
+import { resolveTimerTimeoutMs } from "openclaw/plugin-sdk/number-runtime";
 import {
   parseTtsDirectives,
   type SpeechModelOverridePolicy,
@@ -60,8 +61,10 @@ export function createTelephonyTtsProvider(params: {
   );
   const providerConfigs = collectTelephonyProviderConfigs(ttsConfig);
   const activeProvider = normalizeProviderId(ttsConfig?.provider);
-  const synthesisTimeoutMs =
-    mergedConfig.messages?.tts?.timeoutMs ?? TELEPHONY_DEFAULT_TTS_TIMEOUT_MS;
+  const synthesisTimeoutMs = resolveTimerTimeoutMs(
+    mergedConfig.messages?.tts?.timeoutMs,
+    TELEPHONY_DEFAULT_TTS_TIMEOUT_MS,
+  );
 
   return {
     synthesisTimeoutMs,