diff --git a/extensions/nextcloud-talk/src/channel.ts b/extensions/nextcloud-talk/src/channel.ts
index a9dbad6018d..d912a6bbf33 100644
--- a/extensions/nextcloud-talk/src/channel.ts
+++ b/extensions/nextcloud-talk/src/channel.ts
@@ -34,6 +34,7 @@ import {
 import { resolveNextcloudTalkGroupToolPolicy } from "./policy.js";
 import { getNextcloudTalkRuntime } from "./runtime.js";
 import { sendMessageNextcloudTalk } from "./send.js";
+import { resolveNextcloudTalkOutboundSessionRoute } from "./session-route.js";
 import { nextcloudTalkSetupAdapter } from "./setup-core.js";
 import { nextcloudTalkSetupWizard } from "./setup-surface.js";
 import type { CoreConfig } from "./types.js";
@@ -171,6 +172,7 @@ export const nextcloudTalkPlugin: ChannelPlugin<ResolvedNextcloudTalkAccount> =
   },
   messaging: {
     normalizeTarget: normalizeNextcloudTalkMessagingTarget,
+    resolveOutboundSessionRoute: (params) => resolveNextcloudTalkOutboundSessionRoute(params),
     targetResolver: {
       looksLikeId: looksLikeNextcloudTalkTargetId,
       hint: "<roomToken>",
diff --git a/extensions/nextcloud-talk/src/session-route.ts b/extensions/nextcloud-talk/src/session-route.ts
new file mode 100644
index 00000000000..c469358c70e
--- /dev/null
+++ b/extensions/nextcloud-talk/src/session-route.ts
@@ -0,0 +1,27 @@
+import {
+  buildChannelOutboundSessionRoute,
+  type ChannelOutboundSessionRouteParams,
+} from "openclaw/plugin-sdk/core";
+import { stripNextcloudTalkTargetPrefix } from "./normalize.js";
+
+export function resolveNextcloudTalkOutboundSessionRoute(
+  params: ChannelOutboundSessionRouteParams,
+) {
+  const roomId = stripNextcloudTalkTargetPrefix(params.target);
+  if (!roomId) {
+    return null;
+  }
+  return buildChannelOutboundSessionRoute({
+    cfg: params.cfg,
+    agentId: params.agentId,
+    channel: "nextcloud-talk",
+    accountId: params.accountId,
+    peer: {
+      kind: "group",
+      id: roomId,
+    },
+    chatType: "group",
+    from: `nextcloud-talk:room:${roomId}`,
+    to: `nextcloud-talk:${roomId}`,
+  });
+}