diff --git a/src/app/api/tts/voices/route.ts b/src/app/api/tts/voices/route.ts
index e01c55d..cdefc15 100644
--- a/src/app/api/tts/voices/route.ts
+++ b/src/app/api/tts/voices/route.ts
@@ -1,6 +1,11 @@
 import { NextRequest, NextResponse } from "next/server";
 import { execFile } from "node:child_process";
 import { promisify } from "node:util";
+import { and, eq } from "drizzle-orm";
+import { db, withRetry } from "@/db";
+import { companyRuntimes } from "@/db/schema";
+import { buildRuntimeReadWhere, getAgentAccessContext } from "@/lib/agent-access";
+import { getGatewayClientForRuntime } from "@/lib/gateway-chat-pool";
 import { requireAuth } from "@/lib/require-auth";
 import { GOOGLE_REALTIME_VOICES, OPENAI_TTS_VOICES, type TtsVoiceOption, type TtsProviderId } from "@/lib/tts-voices";
 
@@ -18,9 +23,10 @@ export async function GET(request: NextRequest) {
 
   const provider = normalizeProvider(request.nextUrl.searchParams.get("provider"));
   const query = (request.nextUrl.searchParams.get("q") || "").trim().toLowerCase();
+  const configuredRealtimeProviders = await listConfiguredRealtimeProviders();
 
   const providers: TtsProviderId[] = provider === "all" ? ["openai", "google", "elevenlabs", "say", "browser"] : [provider];
-  const settled = await Promise.allSettled(providers.map((p) => listProviderVoices(p)));
+  const settled = await Promise.allSettled(providers.map((p) => listProviderVoices(p, configuredRealtimeProviders)));
   const voices = settled.flatMap((result) => result.status === "fulfilled" ? result.value : []);
   const filtered = query
     ? voices.filter((voice) =>
@@ -38,7 +44,18 @@ function normalizeProvider(value: string | null): ProviderFilter {
   return "all";
 }
 
-async function listProviderVoices(provider: TtsProviderId): Promise<TtsVoiceOption[]> {
+async function listProviderVoices(
+  provider: TtsProviderId,
+  configuredRealtimeProviders: Set<string> | null,
+): Promise<TtsVoiceOption[]> {
+  if (
+    (provider === "openai" || provider === "google") &&
+    configuredRealtimeProviders &&
+    !configuredRealtimeProviders.has(provider)
+  ) {
+    return [];
+  }
+
   switch (provider) {
     case "openai":
       return OPENAI_TTS_VOICES;
@@ -53,6 +70,37 @@ async function listProviderVoices(provider: TtsProviderId): Promise<TtsVoiceOpti
   }
 }
 
+async function listConfiguredRealtimeProviders(): Promise<Set<string> | null> {
+  try {
+    if (!db) return null;
+    const access = await getAgentAccessContext();
+    const readable = buildRuntimeReadWhere(access);
+    if (!readable) return null;
+
+    const [runtime] = await withRetry(() =>
+      db!
+        .select({ id: companyRuntimes.id })
+        .from(companyRuntimes)
+        .where(and(readable, eq(companyRuntimes.isPrimary, true)))
+        .limit(1)
+    );
+    if (!runtime) return null;
+
+    const catalog = await (await getGatewayClientForRuntime(runtime.id)).talkCatalog();
+    const providers = catalog.realtime?.providers;
+    if (!Array.isArray(providers)) return null;
+
+    return new Set(
+      providers
+        .filter((provider) => provider.configured === true)
+        .map((provider) => provider.id.trim().toLowerCase())
+        .filter(Boolean),
+    );
+  } catch {
+    return null;
+  }
+}
+
 async function listElevenLabsVoices(): Promise<TtsVoiceOption[]> {
   if (!ELEVENLABS_API_KEY) return [];
   const response = await fetch(`${ELEVENLABS_BASE_URL.replace(/\/$/, "")}/voices`, {
diff --git a/src/components/voice-select-modal.tsx b/src/components/voice-select-modal.tsx
index c8ea4b1..80f700a 100644
--- a/src/components/voice-select-modal.tsx
+++ b/src/components/voice-select-modal.tsx
@@ -84,6 +84,7 @@ export function VoiceSelectModal({
   const [provider, setProvider] = useState<ProviderFilter>("all");
   const [query, setQuery] = useState("");
   const [voices, setVoices] = useState<TtsVoiceOption[]>([]);
+  const [providerCounts, setProviderCounts] = useState<Record<string, number>>({});
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState<string | null>(null);
   const [favorites, setFavorites] = useState<string[]>([]);
@@ -108,16 +109,21 @@ export function VoiceSelectModal({
     setError(null);
     fetch(`/api/tts/voices?${params.toString()}`)
       .then((response) => response.ok ? response.json() : Promise.reject(new Error(`Voice list failed: ${response.status}`)))
-      .then((data: { voices?: TtsVoiceOption[] }) => {
+      .then((data: { voices?: TtsVoiceOption[]; providers?: Record<string, number> }) => {
         const serverVoices = Array.isArray(data.voices) ? data.voices : [];
         const browserVoices = (provider === "all" || provider === "browser" || provider === "favorites")
           ? listBrowserVoices().filter((voice) => matchesQuery(voice, query))
           : [];
-        setVoices(uniqueVoices([...serverVoices, ...browserVoices]));
+        const nextVoices = uniqueVoices([...serverVoices, ...browserVoices]);
+        setVoices(nextVoices);
+        if (provider === "all" || provider === "realtime" || provider === "favorites") {
+          setProviderCounts(mergeProviderCounts(readProviderCounts(data.providers), summarizeProviders(browserVoices)));
+        }
       })
       .catch((err) => {
         setError(err instanceof Error ? err.message : "Unable to load voices");
         setVoices([]);
+        setProviderCounts({});
       })
       .finally(() => setLoading(false));
   }, [open, provider, query]);
@@ -233,18 +239,20 @@ export function VoiceSelectModal({
             />
             <div className="flex flex-wrap gap-2">
               {[{ value: "all", label: "All" }, { value: "realtime", label: "Realtime" }, { value: "favorites", label: "Favorites" }, ...TTS_PROVIDER_OPTIONS.filter((item) => item.value !== "auto")].map((item) => (
-                <button
-                  key={item.value}
-                  type="button"
-                  onClick={() => setProvider(item.value as ProviderFilter)}
-                  className={`rounded-full border px-3 py-1.5 text-xs transition-colors ${
-                    provider === item.value
-                      ? "border-[#00f0ff]/60 bg-[#00f0ff]/15 text-[#00f0ff]"
-                      : "border-[var(--border-subtle)] text-[var(--text-secondary)] hover:border-[var(--border-medium)] hover:text-[var(--text-primary)]"
-                  }`}
-                >
-                  {item.label}
-                </button>
+                shouldShowProviderFilter(item.value, providerCounts) ? (
+                  <button
+                    key={item.value}
+                    type="button"
+                    onClick={() => setProvider(item.value as ProviderFilter)}
+                    className={`rounded-full border px-3 py-1.5 text-xs transition-colors ${
+                      provider === item.value
+                        ? "border-[#00f0ff]/60 bg-[#00f0ff]/15 text-[#00f0ff]"
+                        : "border-[var(--border-subtle)] text-[var(--text-secondary)] hover:border-[var(--border-medium)] hover:text-[var(--text-primary)]"
+                    }`}
+                  >
+                    {item.label}
+                  </button>
+                ) : null
               ))}
             </div>
           </div>
@@ -341,6 +349,34 @@ export function VoiceSelectModal({
   );
 }
 
+function summarizeProviders(voices: TtsVoiceOption[]) {
+  return voices.reduce<Record<string, number>>((acc, voice) => {
+    acc[voice.provider] = (acc[voice.provider] || 0) + 1;
+    return acc;
+  }, {});
+}
+
+function readProviderCounts(value: unknown) {
+  if (!value || typeof value !== "object" || Array.isArray(value)) return {};
+  const counts: Record<string, number> = {};
+  for (const [key, count] of Object.entries(value)) {
+    if (typeof count === "number" && Number.isFinite(count) && count > 0) counts[key] = count;
+  }
+  return counts;
+}
+
+function mergeProviderCounts(...items: Array<Record<string, number>>) {
+  return items.reduce<Record<string, number>>((acc, item) => {
+    for (const [key, count] of Object.entries(item)) acc[key] = (acc[key] || 0) + count;
+    return acc;
+  }, {});
+}
+
+function shouldShowProviderFilter(value: string, counts: Record<string, number>) {
+  if (value === "all" || value === "realtime" || value === "favorites") return true;
+  return (counts[value] || 0) > 0;
+}
+
 export function VoiceSummary({ value }: { value?: AgentVoiceSettings | null }) {
   const settings = normalizeAgentVoiceSettings(value ?? DEFAULT_AGENT_VOICE_SETTINGS);
   if (settings.enabled === false) return <span>Voice disabled</span>;
diff --git a/src/lib/gateway-client.ts b/src/lib/gateway-client.ts
index 06ceb13..28ea302 100644
--- a/src/lib/gateway-client.ts
+++ b/src/lib/gateway-client.ts
@@ -220,6 +220,32 @@ export interface GatewayRealtimeClientToolCallResult {
   idempotencyKey?: string;
 }
 
+export interface GatewayTalkCatalogProvider {
+  id: string;
+  label?: string;
+  configured?: boolean;
+  modes?: string[];
+  transports?: string[];
+  brains?: string[];
+  models?: string[];
+  voices?: string[];
+  defaultModel?: string;
+  supportsBrowserSession?: boolean;
+  supportsBargeIn?: boolean;
+  supportsToolCalls?: boolean;
+  [key: string]: unknown;
+}
+
+export interface GatewayTalkCatalog {
+  modes?: string[];
+  transports?: string[];
+  brains?: string[];
+  speech?: { providers?: GatewayTalkCatalogProvider[] };
+  transcription?: { providers?: GatewayTalkCatalogProvider[] };
+  realtime?: { providers?: GatewayTalkCatalogProvider[] };
+  [key: string]: unknown;
+}
+
 export interface GatewayCronJob {
   id: string;
   agentId?: string;
@@ -745,6 +771,10 @@ export class GatewayClient {
     return this.rpc<GatewaySecretsReloadResult>("secrets.reload", {});
   }
 
+  async talkCatalog(): Promise<GatewayTalkCatalog> {
+    return this.rpc<GatewayTalkCatalog>("talk.catalog", {});
+  }
+
   async realtimeTalkSession(
     params: GatewayRealtimeTalkSessionParams = {},
   ): Promise<GatewayRealtimeTalkSessionResult> {