diff --git a/submodules/TelegramCore/Sources/GroupCalls.swift b/submodules/TelegramCore/Sources/GroupCalls.swift
index c9b58221cf..047a018db3 100644
--- a/submodules/TelegramCore/Sources/GroupCalls.swift
+++ b/submodules/TelegramCore/Sources/GroupCalls.swift
@@ -114,7 +114,6 @@ public func getCurrentGroupCall(account: Account, callId: Int64, accessHash: Int
                 )
             }
             |> mapError { _ -> GetCurrentGroupCallError in
-                return .generic
             }
         }
     }
@@ -122,6 +121,7 @@ public func getCurrentGroupCall(account: Account, callId: Int64, accessHash: Int
 
 public enum CreateGroupCallError {
     case generic
+    case anonymousNotAllowed
 }
 
 public func createGroupCall(account: Account, peerId: PeerId) -> Signal<GroupCallInfo, CreateGroupCallError> {
@@ -135,7 +135,10 @@ public func createGroupCall(account: Account, peerId: PeerId) -> Signal<GroupCal
         }
         
         return account.network.request(Api.functions.phone.createGroupCall(channel: inputPeer, randomId: Int32.random(in: Int32.min ... Int32.max)))
-        |> mapError { _ -> CreateGroupCallError in
+        |> mapError { error -> CreateGroupCallError in
+            if error.errorDescription == "ANONYMOUS_CALLS_DISABLED" {
+                return .anonymousNotAllowed
+            }
             return .generic
         }
         |> mapToSignal { result -> Signal<GroupCallInfo, CreateGroupCallError> in
diff --git a/submodules/TelegramUI/Sources/PeerInfo/PeerInfoScreen.swift b/submodules/TelegramUI/Sources/PeerInfo/PeerInfoScreen.swift
index 275bcfec57..c24dddf2e4 100644
--- a/submodules/TelegramUI/Sources/PeerInfo/PeerInfoScreen.swift
+++ b/submodules/TelegramUI/Sources/PeerInfo/PeerInfoScreen.swift
@@ -3247,13 +3247,22 @@ private final class PeerInfoScreenNode: ViewControllerTracingNode, UIScrollViewD
                         return
                     }
                     strongSelf.context.joinGroupCall(peerId: peerId, activeCall: CachedChannelData.ActiveCall(id: info.id, accessHash: info.accessHash), sourcePanel: nil)
-                }, error: { [weak self] _ in
+                }, error: { [weak self] error in
                     dismissStatus?()
                     
                     guard let strongSelf = self else {
                         return
                     }
                     strongSelf.headerNode.navigationButtonContainer.performAction?(.cancel)
+                    
+                    let text: String
+                    switch error {
+                    case .generic:
+                        text = strongSelf.presentationData.strings.Login_UnknownError
+                    case .anonymousNotAllowed:
+                        text = strongSelf.presentationData.strings.VoiceChat_AnonymousDisabledAlertText
+                    }
+                    strongSelf.controller?.present(textAlertController(context: strongSelf.context, title: nil, text: text, actions: [TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Common_OK, action: {})]), in: .window(.root))
                 }, completed: { [weak self] in
                     dismissStatus?()