diff --git a/Signal.xcodeproj/project.pbxproj b/Signal.xcodeproj/project.pbxproj
index 149041af4f..c63e1c398c 100644
--- a/Signal.xcodeproj/project.pbxproj
+++ b/Signal.xcodeproj/project.pbxproj
@@ -2689,6 +2689,7 @@
 		E18C4A7729EF2ECC007534D4 /* SignalAccountTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = E18C4A7629EF2ECC007534D4 /* SignalAccountTest.swift */; };
 		E1A090382A4B909B00F2BE8B /* RecipientHidingManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1A090372A4B909B00F2BE8B /* RecipientHidingManager.swift */; };
 		E1B32F842CA6162A002141F4 /* LinkPreviewCallLink.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1CFAAA22C9DD2B1003145C3 /* LinkPreviewCallLink.swift */; };
+		E1B32F892CAB63E0002141F4 /* CallLinkProfileKeySharingManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1B32F852CAB5923002141F4 /* CallLinkProfileKeySharingManager.swift */; };
 		E1C2A54B2A8FCB0D00AEC4DA /* DeleteSystemContactViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1C2A54A2A8FCB0D00AEC4DA /* DeleteSystemContactViewController.swift */; };
 		E1D827D52BD9B6E50022C1AF /* ReactionsBurstView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1D827D42BD9B6E50022C1AF /* ReactionsBurstView.swift */; };
 		E1D827D72BD9DA4D0022C1AF /* ReactionsSink.swift in Sources */ = {isa = PBXBuildFile; fileRef = E1D827D62BD9DA4D0022C1AF /* ReactionsSink.swift */; };
@@ -6330,6 +6331,7 @@
 		E18C4A7629EF2ECC007534D4 /* SignalAccountTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SignalAccountTest.swift; sourceTree = "<group>"; };
 		E1A090372A4B909B00F2BE8B /* RecipientHidingManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RecipientHidingManager.swift; sourceTree = "<group>"; };
 		E1A0AD8B16E13FDD0071E604 /* CoreFoundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreFoundation.framework; path = System/Library/Frameworks/CoreFoundation.framework; sourceTree = SDKROOT; };
+		E1B32F852CAB5923002141F4 /* CallLinkProfileKeySharingManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CallLinkProfileKeySharingManager.swift; sourceTree = "<group>"; };
 		E1C2A54A2A8FCB0D00AEC4DA /* DeleteSystemContactViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeleteSystemContactViewController.swift; sourceTree = "<group>"; };
 		E1CFAAA22C9DD2B1003145C3 /* LinkPreviewCallLink.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LinkPreviewCallLink.swift; sourceTree = "<group>"; };
 		E1D827D42BD9B6E50022C1AF /* ReactionsBurstView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReactionsBurstView.swift; sourceTree = "<group>"; };
@@ -10597,6 +10599,7 @@
 				B9C0A96C2C6D3F63001FD0AA /* CallLinkApprovalRequestView.swift */,
 				B93E4B2B2C9A3298005989B6 /* CallLinkApprovalViewModel.swift */,
 				B9DFDAD62C99F68A00588AD1 /* CallLinkBulkApprovalSheet.swift */,
+				E1B32F852CAB5923002141F4 /* CallLinkProfileKeySharingManager.swift */,
 				505A254B2CAE7BA700CF4C26 /* CallLinkViewController.swift */,
 				E1E78CAE2B573BD100B6FC2D /* CallMemberCameraOffView.swift */,
 				E1E78CAC2B573B5800B6FC2D /* CallMemberChromeOverlayView.swift */,
@@ -15836,6 +15839,7 @@
 				50A7830E2C0128D70008030E /* CallLinkCall.swift in Sources */,
 				500504AE2CA32969003D27ED /* CallLinkFetchJobRunner.swift in Sources */,
 				50733B1E2BAD038D00CEEC1F /* CallLinkManager.swift in Sources */,
+				E1B32F892CAB63E0002141F4 /* CallLinkProfileKeySharingManager.swift in Sources */,
 				50462B2E2C9E441F00FC5920 /* CallLinkStateUpdater.swift in Sources */,
 				505A254C2CAE7BA700CF4C26 /* CallLinkViewController.swift in Sources */,
 				E1E78CAF2B573BD100B6FC2D /* CallMemberCameraOffView.swift in Sources */,
diff --git a/Signal/AppLaunch/AppEnvironment.swift b/Signal/AppLaunch/AppEnvironment.swift
index 0b9c207510..932ce0f2b6 100644
--- a/Signal/AppLaunch/AppEnvironment.swift
+++ b/Signal/AppLaunch/AppEnvironment.swift
@@ -36,6 +36,8 @@ public class AppEnvironment: NSObject {
 
     let windowManagerRef = WindowManager()
 
+    private(set) var callLinkProfileKeySharingManager: CallLinkProfileKeySharingManager!
+
     private(set) var appIconBadgeUpdater: AppIconBadgeUpdater!
     private(set) var badgeManager: BadgeManager!
     private var usernameValidationObserverRef: UsernameValidationObserver?
@@ -65,6 +67,11 @@ public class AppEnvironment: NSObject {
             database: DependenciesBridge.shared.db
         )
 
+        self.callLinkProfileKeySharingManager = CallLinkProfileKeySharingManager(
+            db: DependenciesBridge.shared.db,
+            accountManager: DependenciesBridge.shared.tsAccountManager
+        )
+
         appReadiness.runNowOrWhenAppWillBecomeReady {
             self.badgeManager.startObservingChanges(in: self.databaseStorage)
             self.appIconBadgeUpdater.startObserving()
diff --git a/Signal/Calls/UserInterface/CallLinkProfileKeySharingManager.swift b/Signal/Calls/UserInterface/CallLinkProfileKeySharingManager.swift
new file mode 100644
index 0000000000..3fbb2aed84
--- /dev/null
+++ b/Signal/Calls/UserInterface/CallLinkProfileKeySharingManager.swift
@@ -0,0 +1,119 @@
+//
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+//
+
+import LibSignalClient
+import SignalServiceKit
+
+public class CallLinkProfileKeySharingManager {
+    private var consideredAcis = Set<Aci>()
+
+    private let db: any DB
+    private let accountManager: TSAccountManager
+
+    init(db: any DB, accountManager: TSAccountManager) {
+        self.db = db
+        self.accountManager = accountManager
+    }
+
+    @MainActor
+    func sendProfileKeyToCallMembers(
+        acis: [Aci],
+        blockingManager: BlockingManager
+    ) {
+        var unconsideredAcis = [Aci]()
+
+        for aci in acis {
+            if !consideredAcis.contains(aci) {
+                unconsideredAcis.append(aci)
+            }
+        }
+
+        let eligibleAcisNotSentProfileKeyYet = unconsideredAcis.filter { aci in
+            return db.read { tx in
+                let isLocal = accountManager.localIdentifiers(tx: tx)?.aci == aci
+
+                let address = SignalServiceAddress(aci)
+                let isBlocked = blockingManager.isAddressBlocked(
+                    address,
+                    transaction: SDSDB.shimOnlyBridge(tx)
+                )
+
+                let isEligible = !isLocal && !isBlocked
+
+                if !isEligible {
+                    consideredAcis.insert(aci)
+                }
+
+                return isEligible
+            }
+        }
+
+        if eligibleAcisNotSentProfileKeyYet.isEmpty { return }
+
+        self.consideredAcis.formUnion(eligibleAcisNotSentProfileKeyYet)
+        db.asyncWrite { tx in
+            for aci in eligibleAcisNotSentProfileKeyYet {
+                self.sendProfileKey(aci: aci, tx: tx)
+            }
+        }
+    }
+
+    private func sendProfileKey(aci: Aci, tx: DBWriteTransaction) {
+        let address = SignalServiceAddress(aci)
+        if
+            let thread = TSContactThread.getWithContactAddress(
+                address,
+                transaction: SDSDB.shimOnlyBridge(tx)
+            )
+        {
+            let profileKeyMessage = OWSProfileKeyMessage(
+                thread: thread,
+                transaction: SDSDB.shimOnlyBridge(tx)
+            )
+            let preparedMessage = PreparedOutgoingMessage.preprepared(
+                transientMessageWithoutAttachments: profileKeyMessage
+            )
+            SSKEnvironment.shared.messageSenderJobQueueRef.add(
+                message: preparedMessage,
+                transaction: SDSDB.shimOnlyBridge(tx)
+            )
+        }
+    }
+}
+
+extension CallLinkProfileKeySharingManager: GroupCallObserver {
+    func groupCallPeekChanged(_ call: GroupCall) {
+        sendProfileKeyIfApplicable(call: call)
+    }
+
+    @MainActor
+    private func sendProfileKeyIfApplicable(call: GroupCall) {
+        switch call.concreteType {
+        case .groupThread:
+            return
+        case .callLink(let callLinkCall):
+            if
+                callLinkCall.localUserHasConsentedToJoin(),
+                let acis = callLinkCall.ringRtcCall.peekInfo?.joinedMembers.map({ Aci(fromUUID: $0) })
+            {
+                sendProfileKeyToCallMembers(
+                    acis: acis,
+                    blockingManager: SSKEnvironment.shared.blockingManagerRef
+                )
+            }
+        }
+    }
+}
+
+private extension CallLinkCall {
+    func localUserHasConsentedToJoin() -> Bool {
+        switch self.joinState {
+        case .notJoined:
+            return false
+        case .joining, .pending, .joined:
+            return true
+        }
+    }
+}
diff --git a/Signal/Calls/UserInterface/GroupCallViewController.swift b/Signal/Calls/UserInterface/GroupCallViewController.swift
index 4d5a21c0d0..2be23fafe5 100644
--- a/Signal/Calls/UserInterface/GroupCallViewController.swift
+++ b/Signal/Calls/UserInterface/GroupCallViewController.swift
@@ -295,6 +295,7 @@ class GroupCallViewController: UIViewController {
         super.init(nibName: nil, bundle: nil)
 
         groupCall.addObserver(self)
+        groupCall.addObserver(AppEnvironment.shared.callLinkProfileKeySharingManager)
 
         NotificationCenter.default.addObserver(
             self,