diff --git a/resources/js/components/chat/call.tsx b/resources/js/components/chat/call.tsx
index 393b1bcb6..629ccc5a2 100644
--- a/resources/js/components/chat/call.tsx
+++ b/resources/js/components/chat/call.tsx
@@ -89,9 +89,9 @@ function useRingingOrgCall(): OrgCall | null {
 }
 
 /**
- * Whether the user is on a call of either kind, which keeps them from starting or joining another.
+ * Whether the user is placing, receiving, or participating in a call of either kind.
  */
-function useIsBusy(): boolean {
+export function useIsOnCall(): boolean {
     const call = useCall();
     const orgCall = useOrgCall();
 
@@ -102,6 +102,16 @@ function useIsBusy(): boolean {
     );
 }
 
+/**
+ * Whether the composer should hide actions that do not make sense while a call is ringing or underway.
+ */
+export function useIsCallActive(): boolean {
+    const isOnCall = useIsOnCall();
+    const ringingOrgCall = useRingingOrgCall();
+
+    return isOnCall || ringingOrgCall !== null;
+}
+
 /**
  * Sits next to Ping in a remote's composer and asks the composer to confirm the call in place.
  */
@@ -114,7 +124,7 @@ export function CallButton({
     isCompact: boolean;
     onClick: () => void;
 }) {
-    const isOnCall = useIsBusy();
+    const isOnCall = useIsOnCall();
     const { auth } = usePage().props;
 
     if (!auth.remotes) {
@@ -163,7 +173,7 @@ export function CallConsole({
     onConfirmingChange: (isConfirming: boolean) => void;
 }) {
     const call = useCall();
-    const isOnCall = useIsBusy();
+    const isOnCall = useIsOnCall();
     const handle = `@${partner.handle}`;
     const isThisCall =
         call.status !== 'idle' && call.partner.handle === partner.handle;
@@ -724,7 +734,7 @@ export function OrgCallConsole({
     onConfirmingChange: (isConfirming: boolean) => void;
 }) {
     const call = useOrgCall();
-    const isOnCall = useIsBusy();
+    const isOnCall = useIsOnCall();
     const ongoing =
         useOngoingOrgCalls().find((candidate) => candidate.org.id === org.id) ??
         null;
diff --git a/resources/js/components/chat/conversation-thread.tsx b/resources/js/components/chat/conversation-thread.tsx
index 98ac2f3d3..e4ef404d4 100644
--- a/resources/js/components/chat/conversation-thread.tsx
+++ b/resources/js/components/chat/conversation-thread.tsx
@@ -21,6 +21,7 @@ import {
     CallButton,
     CallConsole,
     OrgCallConsole,
+    useIsCallActive,
 } from '@/components/chat/call';
 import {
     LiftedMessage,
@@ -1707,6 +1708,14 @@ function Composer({
 
     const voiceNote = useVoiceNote(showError);
     const isVoicing = voiceNote.state.status !== 'idle';
+    const isCallActive = useIsCallActive();
+    const discardVoiceNote = voiceNote.discard;
+
+    useEffect(() => {
+        if (isCallActive && isVoicing) {
+            discardVoiceNote();
+        }
+    }, [discardVoiceNote, isCallActive, isVoicing]);
 
     const pushVoiceNote = async () => {
         const voice = await voiceNote.stop();
@@ -1928,67 +1937,73 @@ function Composer({
                                     isCompact ? 'size-9' : 'size-10',
                                 )}
                             />
-                            <Tooltip>
-                                <TooltipTrigger asChild>
-                                    <span className="-mx-1 inline-flex shrink-0">
+                            {!isCallActive && (
+                                <Tooltip>
+                                    <TooltipTrigger asChild>
+                                        <span className="-mx-1 inline-flex shrink-0">
+                                            <Button
+                                                type="button"
+                                                variant="ghost"
+                                                size="icon"
+                                                disabled={
+                                                    trimmed !== '' || hasImages
+                                                }
+                                                onClick={() =>
+                                                    void voiceNote.start()
+                                                }
+                                                aria-label="Record a voice note"
+                                                className={cn(
+                                                    'text-muted-foreground',
+                                                    isCompact
+                                                        ? 'size-9'
+                                                        : 'size-10',
+                                                )}
+                                                data-test="record-voice-note"
+                                            >
+                                                <Mic className="size-5" />
+                                            </Button>
+                                        </span>
+                                    </TooltipTrigger>
+                                    <TooltipContent>
+                                        {trimmed !== '' || hasImages
+                                            ? 'Voice notes go on their own'
+                                            : 'Record a voice note (max. 1 min)'}
+                                    </TooltipContent>
+                                </Tooltip>
+                            )}
+                            {!isCallActive && (
+                                <Tooltip>
+                                    <TooltipTrigger asChild>
                                         <Button
                                             type="button"
                                             variant="ghost"
                                             size="icon"
-                                            disabled={
-                                                trimmed !== '' || hasImages
-                                            }
                                             onClick={() =>
-                                                void voiceNote.start()
+                                                void sendPing(target).catch(
+                                                    (error: unknown) =>
+                                                        showError(
+                                                            error instanceof
+                                                                ChatRequestError
+                                                                ? error.firstError()
+                                                                : 'Could not ping. Try again.',
+                                                        ),
+                                                )
                                             }
-                                            aria-label="Record a voice note"
+                                            aria-label={pingLabel}
                                             className={cn(
-                                                'text-muted-foreground',
+                                                '-mx-1 shrink-0 text-muted-foreground',
                                                 isCompact
                                                     ? 'size-9'
                                                     : 'size-10',
                                             )}
-                                            data-test="record-voice-note"
+                                            data-test="send-ping"
                                         >
-                                            <Mic className="size-5" />
+                                            <Vibrate className="size-5" />
                                         </Button>
-                                    </span>
-                                </TooltipTrigger>
-                                <TooltipContent>
-                                    {trimmed !== '' || hasImages
-                                        ? 'Voice notes go on their own'
-                                        : 'Record a voice note (max. 1 min)'}
-                                </TooltipContent>
-                            </Tooltip>
-                            <Tooltip>
-                                <TooltipTrigger asChild>
-                                    <Button
-                                        type="button"
-                                        variant="ghost"
-                                        size="icon"
-                                        onClick={() =>
-                                            void sendPing(target).catch(
-                                                (error: unknown) =>
-                                                    showError(
-                                                        error instanceof
-                                                            ChatRequestError
-                                                            ? error.firstError()
-                                                            : 'Could not ping. Try again.',
-                                                    ),
-                                            )
-                                        }
-                                        aria-label={pingLabel}
-                                        className={cn(
-                                            '-mx-1 shrink-0 text-muted-foreground',
-                                            isCompact ? 'size-9' : 'size-10',
-                                        )}
-                                        data-test="send-ping"
-                                    >
-                                        <Vibrate className="size-5" />
-                                    </Button>
-                                </TooltipTrigger>
-                                <TooltipContent>{pingLabel}</TooltipContent>
-                            </Tooltip>
+                                    </TooltipTrigger>
+                                    <TooltipContent>{pingLabel}</TooltipContent>
+                                </Tooltip>
+                            )}
                             <CallButton
                                 label={
                                     target.kind === 'direct'