diff --git a/src/lib/components/chat/Chat.svelte b/src/lib/components/chat/Chat.svelte
index c091673d25..28027b2a17 100644
--- a/src/lib/components/chat/Chat.svelte
+++ b/src/lib/components/chat/Chat.svelte
@@ -409,6 +409,7 @@
 
 	// Non-owners may reply when the sharing mode allows it, but cannot save chat edits.
 	$: isShared = chat != null && chat.user_id !== $user?.id;
+	$: if (isShared && $showCallOverlay) showCallOverlay.set(false);
 	$: canClone = isShared && ($user?.role === 'admin' || ($user?.permissions?.chat?.import ?? true));
 	let cloning = false;
 
@@ -2472,6 +2473,8 @@
 	//////////////////////////
 
 	const openCallOverlay = () => {
+		if (isShared) return;
+
 		if (!($user?.role === 'admin' || ($user?.permissions?.chat?.call ?? true))) {
 			return;
 		}
@@ -5062,6 +5065,7 @@
 										{typingUsers}
 										on:typing={(event) => emitTyping(event.detail)}
 										callActive={!!(bridge?.connected || bridge?.connecting)}
+										callEnabled={!isShared}
 										bind:this={messageInput}
 										{history}
 										{taskIds}
@@ -5157,6 +5161,7 @@
 										{typingUsers}
 										on:typing={(event) => emitTyping(event.detail)}
 										callActive={!!(bridge?.connected || bridge?.connecting)}
+										callEnabled={!isShared}
 										bind:this={messageInput}
 										{history}
 										{taskIds}
@@ -5219,6 +5224,7 @@
 							<div class="flex items-center h-full">
 								<Placeholder
 									callActive={!!(bridge?.connected || bridge?.connecting)}
+									callEnabled={!isShared}
 									bind:selectedModelIdx
 									{history}
 									bind:selectedModels
diff --git a/src/lib/components/chat/MessageInput.svelte b/src/lib/components/chat/MessageInput.svelte
index 002e5554b8..b8c5a50658 100644
--- a/src/lib/components/chat/MessageInput.svelte
+++ b/src/lib/components/chat/MessageInput.svelte
@@ -155,6 +155,7 @@
 	export let contextCompactionEnabled = false;
 	export let embedded = false;
 	export let callActive = false;
+	export let callEnabled = true;
 
 	export let autoScroll = false;
 	export let generating = false;
@@ -2717,7 +2718,7 @@
 											{/if}
 										{/if}
 
-										{#if !embedded && prompt === '' && files.length === 0 && ($_user?.role === 'admin' || ($_user?.permissions?.chat?.call ?? true))}
+										{#if callEnabled && !embedded && prompt === '' && files.length === 0 && ($_user?.role === 'admin' || ($_user?.permissions?.chat?.call ?? true))}
 											<div class=" flex items-center">
 												<!-- {$i18n.t('Call')} -->
 												<Tooltip
diff --git a/src/lib/components/chat/Placeholder.svelte b/src/lib/components/chat/Placeholder.svelte
index b2833b67c3..71a443c78a 100644
--- a/src/lib/components/chat/Placeholder.svelte
+++ b/src/lib/components/chat/Placeholder.svelte
@@ -41,6 +41,7 @@
 
 	export let autoScroll = false;
 	export let callActive = false;
+	export let callEnabled = true;
 
 	export let atSelectedModel: Model | undefined;
 	export let selectedModels: [''];
@@ -243,6 +244,7 @@
 				{#if !($selectedFolder && folderReadOnly)}
 					<MessageInput
 						{callActive}
+						{callEnabled}
 						bind:this={messageInput}
 						{history}
 						bind:selectedModels