diff --git a/docs/gateway/doctor.md b/docs/gateway/doctor.md
index 20dd0f1123a..3f67df8a56d 100644
--- a/docs/gateway/doctor.md
+++ b/docs/gateway/doctor.md
@@ -172,9 +172,11 @@ Current migrations:
 - `routing.agentToAgent` → `tools.agentToAgent`
 - `routing.transcribeAudio` → `tools.media.audio.models`
 - `messages.tts.<provider>` (`openai`/`elevenlabs`/`microsoft`/`edge`) → `messages.tts.providers.<provider>`
+- `messages.tts.provider: "edge"` and `messages.tts.providers.edge` → `messages.tts.provider: "microsoft"` and `messages.tts.providers.microsoft`
 - `channels.discord.voice.tts.<provider>` (`openai`/`elevenlabs`/`microsoft`/`edge`) → `channels.discord.voice.tts.providers.<provider>`
 - `channels.discord.accounts.<id>.voice.tts.<provider>` (`openai`/`elevenlabs`/`microsoft`/`edge`) → `channels.discord.accounts.<id>.voice.tts.providers.<provider>`
 - `plugins.entries.voice-call.config.tts.<provider>` (`openai`/`elevenlabs`/`microsoft`/`edge`) → `plugins.entries.voice-call.config.tts.providers.<provider>`
+- `plugins.entries.voice-call.config.tts.provider: "edge"` and `plugins.entries.voice-call.config.tts.providers.edge` → `provider: "microsoft"` and `providers.microsoft`
 - `plugins.entries.voice-call.config.provider: "log"` → `"mock"`
 - `plugins.entries.voice-call.config.twilio.from` → `plugins.entries.voice-call.config.fromNumber`
 - `plugins.entries.voice-call.config.streaming.sttProvider` → `plugins.entries.voice-call.config.streaming.provider`
diff --git a/docs/tools/tts.md b/docs/tools/tts.md
index 5a6fc117906..30a7104b3c3 100644
--- a/docs/tools/tts.md
+++ b/docs/tools/tts.md
@@ -347,13 +347,15 @@ Then run:
 - `mode`: `"final"` (default) or `"all"` (includes tool/block replies).
 - `provider`: speech provider id such as `"elevenlabs"`, `"google"`, `"gradium"`, `"microsoft"`, `"minimax"`, `"openai"`, `"vydra"`, or `"xai"` (fallback is automatic).
 - If `provider` is **unset**, OpenClaw uses the first configured speech provider in registry auto-select order.
-- Legacy `provider: "edge"` still works and is normalized to `microsoft`.
+- Legacy `provider: "edge"` config is repaired by `openclaw doctor --fix` and
+  rewritten to `provider: "microsoft"`.
 - `summaryModel`: optional cheap model for auto-summary; defaults to `agents.defaults.model.primary`.
   - Accepts `provider/model` or a configured model alias.
 - `modelOverrides`: allow the model to emit TTS directives (on by default).
   - `allowProvider` defaults to `false` (provider switching is opt-in).
 - `providers.<id>`: provider-owned settings keyed by speech provider id.
 - Legacy direct provider blocks (`messages.tts.openai`, `messages.tts.elevenlabs`, `messages.tts.microsoft`, `messages.tts.edge`) are repaired by `openclaw doctor --fix`; committed config should use `messages.tts.providers.<id>`.
+- Legacy `messages.tts.providers.edge` is also repaired by `openclaw doctor --fix`; committed config should use `messages.tts.providers.microsoft`.
 - `maxTextLength`: hard cap for TTS input (chars). `/tts audio` fails if exceeded.
 - `timeoutMs`: request timeout (ms).
 - `prefsPath`: override the local prefs JSON path (provider/limit/summary).
@@ -402,7 +404,8 @@ Then run:
 - `providers.microsoft.saveSubtitles`: write JSON subtitles alongside the audio file.
 - `providers.microsoft.proxy`: proxy URL for Microsoft speech requests.
 - `providers.microsoft.timeoutMs`: request timeout override (ms).
-- `edge.*`: legacy alias for the same Microsoft settings.
+- `edge.*`: legacy alias for the same Microsoft settings. Run
+  `openclaw doctor --fix` to rewrite persisted config to `providers.microsoft`.
 
 ## Model-driven overrides (default on)
 
diff --git a/extensions/microsoft/speech-provider.test.ts b/extensions/microsoft/speech-provider.test.ts
index 9e77593fc2b..fbe52717da3 100644
--- a/extensions/microsoft/speech-provider.test.ts
+++ b/extensions/microsoft/speech-provider.test.ts
@@ -184,27 +184,6 @@ describe("buildMicrosoftSpeechProvider", () => {
     vi.restoreAllMocks();
   });
 
-  it("accepts legacy providers.edge voice config", () => {
-    const provider = buildMicrosoftSpeechProvider();
-
-    const resolved = provider.resolveConfig?.({
-      cfg: TEST_CFG,
-      rawConfig: {
-        provider: "edge",
-        providers: {
-          edge: {
-            voice: "en-US-AvaNeural",
-          },
-        },
-      },
-      timeoutMs: 1000,
-    });
-
-    expect(resolved).toMatchObject({
-      voice: "en-US-AvaNeural",
-    });
-  });
-
   it("switches to a Chinese voice for CJK text when no explicit voice override is set", async () => {
     const provider = buildMicrosoftSpeechProvider();
     const edgeSpy = vi.spyOn(ttsModule, "edgeTTS").mockImplementation(async ({ outputPath }) => {
diff --git a/extensions/microsoft/speech-provider.ts b/extensions/microsoft/speech-provider.ts
index ce07bd4f7eb..3c021648964 100644
--- a/extensions/microsoft/speech-provider.ts
+++ b/extensions/microsoft/speech-provider.ts
@@ -59,9 +59,8 @@ function normalizeMicrosoftProviderConfig(
   const providers = asObject(rawConfig.providers);
   const rawEdge = asObject(rawConfig.edge);
   const rawMicrosoft = asObject(rawConfig.microsoft);
-  const rawProviderEdge = asObject(providers?.edge);
   const rawProviderMicrosoft = asObject(providers?.microsoft);
-  const raw = { ...rawEdge, ...rawProviderEdge, ...rawMicrosoft, ...rawProviderMicrosoft };
+  const raw = { ...rawEdge, ...rawMicrosoft, ...rawProviderMicrosoft };
   const outputFormat = trimToUndefined(raw.outputFormat);
   return {
     enabled: asBoolean(raw.enabled) ?? true,
diff --git a/src/commands/doctor/shared/legacy-config-migrate.provider-shapes.test.ts b/src/commands/doctor/shared/legacy-config-migrate.provider-shapes.test.ts
index ae56943baf3..a6999f1ae9b 100644
--- a/src/commands/doctor/shared/legacy-config-migrate.provider-shapes.test.ts
+++ b/src/commands/doctor/shared/legacy-config-migrate.provider-shapes.test.ts
@@ -48,6 +48,41 @@ describe("legacy migrate provider-shaped config", () => {
     });
   });
 
+  it("moves legacy edge provider aliases into microsoft tts config", () => {
+    const res = migrateLegacyConfig({
+      messages: {
+        tts: {
+          provider: "edge",
+          providers: {
+            edge: {
+              voice: "en-US-AvaNeural",
+              rate: "+8%",
+            },
+            microsoft: {
+              lang: "en-US",
+              rate: "+4%",
+            },
+          },
+        },
+      },
+    });
+
+    expect(res.changes).toContain('Moved messages.tts.provider "edge" → "microsoft".');
+    expect(res.changes).toContain(
+      "Moved messages.tts.providers.edge → messages.tts.providers.microsoft.",
+    );
+    expect(res.config?.messages?.tts).toEqual({
+      provider: "microsoft",
+      providers: {
+        microsoft: {
+          lang: "en-US",
+          rate: "+4%",
+          voice: "en-US-AvaNeural",
+        },
+      },
+    });
+  });
+
   it("moves plugins.entries.voice-call.config.tts.<provider> keys into providers", () => {
     const res = migrateLegacyConfig({
       plugins: {
@@ -86,6 +121,47 @@ describe("legacy migrate provider-shaped config", () => {
     });
   });
 
+  it("moves voice-call legacy edge provider aliases into microsoft tts config", () => {
+    const res = migrateLegacyConfig({
+      plugins: {
+        entries: {
+          "voice-call": {
+            config: {
+              tts: {
+                provider: "edge",
+                providers: {
+                  edge: {
+                    voice: "en-US-AvaNeural",
+                  },
+                },
+              },
+            },
+          },
+        },
+      },
+    });
+
+    expect(res.changes).toContain(
+      'Moved plugins.entries.voice-call.config.tts.provider "edge" → "microsoft".',
+    );
+    expect(res.changes).toContain(
+      "Moved plugins.entries.voice-call.config.tts.providers.edge → plugins.entries.voice-call.config.tts.providers.microsoft.",
+    );
+    const voiceCallTts = (
+      res.config?.plugins?.entries as
+        | Record<string, { config?: { tts?: Record<string, unknown> } }>
+        | undefined
+    )?.["voice-call"]?.config?.tts;
+    expect(voiceCallTts).toEqual({
+      provider: "microsoft",
+      providers: {
+        microsoft: {
+          voice: "en-US-AvaNeural",
+        },
+      },
+    });
+  });
+
   it("does not migrate legacy tts provider keys for unknown plugin ids", () => {
     const res = migrateLegacyConfig({
       plugins: {
diff --git a/src/commands/doctor/shared/legacy-config-migrations.runtime.tts.ts b/src/commands/doctor/shared/legacy-config-migrations.runtime.tts.ts
index 8877f3f098f..d3531b34fc2 100644
--- a/src/commands/doctor/shared/legacy-config-migrations.runtime.tts.ts
+++ b/src/commands/doctor/shared/legacy-config-migrations.runtime.tts.ts
@@ -10,12 +10,23 @@ import { isBlockedObjectKey } from "../../../config/prototype-keys.js";
 const LEGACY_TTS_PROVIDER_KEYS = ["openai", "elevenlabs", "microsoft", "edge"] as const;
 const LEGACY_TTS_PLUGIN_IDS = new Set(["voice-call"]);
 
+function isLegacyEdgeProviderId(value: unknown): boolean {
+  return typeof value === "string" && value.trim().toLowerCase() === "edge";
+}
+
 function hasLegacyTtsProviderKeys(value: unknown): boolean {
   const tts = getRecord(value);
   if (!tts) {
     return false;
   }
-  return LEGACY_TTS_PROVIDER_KEYS.some((key) => Object.prototype.hasOwnProperty.call(tts, key));
+  if (isLegacyEdgeProviderId(tts.provider)) {
+    return true;
+  }
+  if (LEGACY_TTS_PROVIDER_KEYS.some((key) => Object.prototype.hasOwnProperty.call(tts, key))) {
+    return true;
+  }
+  const providers = getRecord(tts.providers);
+  return Boolean(providers && Object.prototype.hasOwnProperty.call(providers, "edge"));
 }
 
 function hasLegacyPluginEntryTtsProviderKeys(value: unknown): boolean {
@@ -57,6 +68,24 @@ function mergeLegacyTtsProviderConfig(
   return true;
 }
 
+function mergeLegacyTtsProviderAliasConfig(
+  tts: Record<string, unknown>,
+  aliasKey: string,
+  providerId: string,
+): boolean {
+  const providers = getRecord(tts.providers);
+  const aliasValue = getRecord(providers?.[aliasKey]);
+  if (!providers || !aliasValue) {
+    return false;
+  }
+  const existing = getRecord(providers[providerId]) ?? {};
+  const merged = structuredClone(existing);
+  mergeMissing(merged, aliasValue);
+  providers[providerId] = merged;
+  delete providers[aliasKey];
+  return true;
+}
+
 function migrateLegacyTtsConfig(
   tts: Record<string, unknown> | null | undefined,
   pathLabel: string,
@@ -65,9 +94,14 @@ function migrateLegacyTtsConfig(
   if (!tts) {
     return;
   }
+  if (isLegacyEdgeProviderId(tts.provider)) {
+    tts.provider = "microsoft";
+    changes.push(`Moved ${pathLabel}.provider "edge" → "microsoft".`);
+  }
   const movedOpenAI = mergeLegacyTtsProviderConfig(tts, "openai", "openai");
   const movedElevenLabs = mergeLegacyTtsProviderConfig(tts, "elevenlabs", "elevenlabs");
   const movedMicrosoft = mergeLegacyTtsProviderConfig(tts, "microsoft", "microsoft");
+  const movedProviderEdge = mergeLegacyTtsProviderAliasConfig(tts, "edge", "microsoft");
   const movedEdge = mergeLegacyTtsProviderConfig(tts, "edge", "microsoft");
 
   if (movedOpenAI) {
@@ -79,6 +113,9 @@ function migrateLegacyTtsConfig(
   if (movedMicrosoft) {
     changes.push(`Moved ${pathLabel}.microsoft → ${pathLabel}.providers.microsoft.`);
   }
+  if (movedProviderEdge) {
+    changes.push(`Moved ${pathLabel}.providers.edge → ${pathLabel}.providers.microsoft.`);
+  }
   if (movedEdge) {
     changes.push(`Moved ${pathLabel}.edge → ${pathLabel}.providers.microsoft.`);
   }
@@ -88,13 +125,13 @@ const LEGACY_TTS_RULES: LegacyConfigRule[] = [
   {
     path: ["messages", "tts"],
     message:
-      'messages.tts.<provider> keys (openai/elevenlabs/microsoft/edge) are legacy; use messages.tts.providers.<provider>. Run "openclaw doctor --fix".',
+      'messages.tts legacy provider aliases/keys are legacy; use provider: "microsoft" and messages.tts.providers.<provider>. Run "openclaw doctor --fix".',
     match: (value) => hasLegacyTtsProviderKeys(value),
   },
   {
     path: ["plugins", "entries"],
     message:
-      'plugins.entries.voice-call.config.tts.<provider> keys (openai/elevenlabs/microsoft/edge) are legacy; use plugins.entries.voice-call.config.tts.providers.<provider>. Run "openclaw doctor --fix".',
+      'plugins.entries.voice-call.config.tts legacy provider aliases/keys are legacy; use provider: "microsoft" and plugins.entries.voice-call.config.tts.providers.<provider>. Run "openclaw doctor --fix".',
     match: (value) => hasLegacyPluginEntryTtsProviderKeys(value),
   },
 ];