diff --git a/src/Simplex/Chat.hs b/src/Simplex/Chat.hs
index ef56e4205..e224f04eb 100644
--- a/src/Simplex/Chat.hs
+++ b/src/Simplex/Chat.hs
@@ -2222,7 +2222,7 @@ processChatCommand = \case
       processChatCommand $ APISetChatSettings (ChatRef cType chatId) $ updateSettings chatSettings
     connectPlan :: User -> AConnectionRequestUri -> m ConnectionPlan
     connectPlan user (ACR SCMInvitation cReq) = do
-      withStore' (\db -> getConnectionEntityByConnReq db user cReq) >>= \case
+      withStore' (\db -> getConnectionEntityByConnReq db user cReqSchemas) >>= \case
         Nothing -> pure $ CPInvitationLink ILPOk
         Just (RcvDirectMsgConnection conn ct_) -> do
           let Connection {connStatus, contactConnInitiated} = conn
@@ -2235,17 +2235,23 @@ processChatCommand = \case
                   Just ct -> pure $ CPInvitationLink (ILPKnown ct)
                   Nothing -> throwChatError $ CEInternalError "ready RcvDirectMsgConnection connection should have associated contact"
         Just _ -> throwChatError $ CECommandError "found connection entity is not RcvDirectMsgConnection"
+      where
+        cReqSchemas :: (ConnReqInvitation, ConnReqInvitation)
+        cReqSchemas = case cReq of
+          (CRInvitationUri crData e2e) ->
+            ( CRInvitationUri crData {crScheme = CRSSimplex} e2e,
+              CRInvitationUri crData {crScheme = simplexChat} e2e
+            )
     connectPlan user (ACR SCMContact cReq) = do
       let CRContactUri ConnReqUriData {crClientData} = cReq
           groupLinkId = crClientData >>= decodeJSON >>= \(CRDataGroup gli) -> Just gli
       case groupLinkId of
         -- contact address
         Nothing ->
-          withStore' (`getUserContactLinkByConnReq` cReq) >>= \case
+          withStore' (`getUserContactLinkByConnReq` cReqSchemas) >>= \case
             Just _ -> pure $ CPContactAddress CAPOwnLink
             Nothing -> do
-              let cReqHash = ConnReqUriHash . C.sha256Hash $ strEncode cReq
-              withStore' (\db -> getContactConnEntityByConnReqHash db user cReqHash) >>= \case
+              withStore' (\db -> getContactConnEntityByConnReqHash db user cReqHashes) >>= \case
                 Nothing -> pure $ CPContactAddress CAPOk
                 Just (RcvDirectMsgConnection _conn Nothing) -> pure $ CPContactAddress CAPConnectingConfirmReconnect
                 Just (RcvDirectMsgConnection _ (Just ct))
@@ -2255,12 +2261,11 @@ processChatCommand = \case
                 Just _ -> throwChatError $ CECommandError "found connection entity is not RcvDirectMsgConnection"
         -- group link
         Just _ ->
-          withStore' (\db -> getGroupInfoByUserContactLinkConnReq db user cReq) >>= \case
+          withStore' (\db -> getGroupInfoByUserContactLinkConnReq db user cReqSchemas) >>= \case
             Just g -> pure $ CPGroupLink (GLPOwnLink g)
             Nothing -> do
-              let cReqHash = ConnReqUriHash . C.sha256Hash $ strEncode cReq
-              connEnt_ <- withStore' $ \db -> getContactConnEntityByConnReqHash db user cReqHash
-              gInfo_ <- withStore' $ \db -> getGroupInfoByGroupLinkHash db user cReqHash
+              connEnt_ <- withStore' $ \db -> getContactConnEntityByConnReqHash db user cReqHashes
+              gInfo_ <- withStore' $ \db -> getGroupInfoByGroupLinkHash db user cReqHashes
               case (gInfo_, connEnt_) of
                 (Nothing, Nothing) -> pure $ CPGroupLink GLPOk
                 (Nothing, Just (RcvDirectMsgConnection _conn Nothing)) -> pure $ CPGroupLink GLPConnectingConfirmReconnect
@@ -2273,6 +2278,16 @@ processChatCommand = \case
                       pure $ CPGroupLink (GLPConnectingProhibit gInfo_)
                   | memberActive membership -> pure $ CPGroupLink (GLPKnown gInfo)
                   | otherwise -> pure $ CPGroupLink GLPOk
+      where
+        cReqSchemas :: (ConnReqContact, ConnReqContact)
+        cReqSchemas = case cReq of
+          (CRContactUri crData) ->
+            ( CRContactUri crData {crScheme = CRSSimplex},
+              CRContactUri crData {crScheme = simplexChat}
+            )
+        cReqHashes :: (ConnReqUriHash, ConnReqUriHash)
+        cReqHashes = bimap hash hash cReqSchemas
+        hash = ConnReqUriHash . C.sha256Hash . strEncode
 
 assertDirectAllowed :: ChatMonad m => User -> MsgDirection -> Contact -> CMEventTag e -> m ()
 assertDirectAllowed user dir ct event =
diff --git a/src/Simplex/Chat/Store/Connections.hs b/src/Simplex/Chat/Store/Connections.hs
index d8ec38269..59ffb57c6 100644
--- a/src/Simplex/Chat/Store/Connections.hs
+++ b/src/Simplex/Chat/Store/Connections.hs
@@ -154,18 +154,18 @@ getConnectionEntity db user@User {userId, userContactId} agentConnId = do
         userContact_ [(cReq, groupId)] = Right UserContact {userContactLinkId, connReqContact = cReq, groupId}
         userContact_ _ = Left SEUserContactLinkNotFound
 
-getConnectionEntityByConnReq :: DB.Connection -> User -> ConnReqInvitation -> IO (Maybe ConnectionEntity)
-getConnectionEntityByConnReq db user cReq = do
+getConnectionEntityByConnReq :: DB.Connection -> User -> (ConnReqInvitation, ConnReqInvitation) -> IO (Maybe ConnectionEntity)
+getConnectionEntityByConnReq db user (cReqSchema1, cReqSchema2) = do
   connId_ <- maybeFirstRow fromOnly $
-    DB.query db "SELECT agent_conn_id FROM connections WHERE conn_req_inv = ? LIMIT 1" (Only cReq)
+    DB.query db "SELECT agent_conn_id FROM connections WHERE conn_req_inv IN (?,?) LIMIT 1" (cReqSchema1, cReqSchema2)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getConnectionEntity db user) connId_
 
 -- search connection for connection plan:
 -- multiple connections can have same via_contact_uri_hash if request was repeated;
 -- this function searches for latest connection with contact so that "known contact" plan would be chosen;
 -- deleted connections are filtered out to allow re-connecting via same contact address
-getContactConnEntityByConnReqHash :: DB.Connection -> User -> ConnReqUriHash -> IO (Maybe ConnectionEntity)
-getContactConnEntityByConnReqHash db user cReqHash = do
+getContactConnEntityByConnReqHash :: DB.Connection -> User -> (ConnReqUriHash, ConnReqUriHash) -> IO (Maybe ConnectionEntity)
+getContactConnEntityByConnReqHash db user (cReqHash1, cReqHash2) = do
   connId_ <- maybeFirstRow fromOnly $
     DB.query
       db
@@ -175,12 +175,12 @@ getContactConnEntityByConnReqHash db user cReqHash = do
             agent_conn_id,
             (CASE WHEN contact_id IS NOT NULL THEN 1 ELSE 0 END) AS conn_ord
           FROM connections
-          WHERE via_contact_uri_hash = ? AND conn_status != ?
+          WHERE via_contact_uri_hash IN (?,?) AND conn_status != ?
           ORDER BY conn_ord DESC, created_at DESC
           LIMIT 1
         )
       |]
-      (cReqHash, ConnDeleted)
+      (cReqHash1, cReqHash2, ConnDeleted)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getConnectionEntity db user) connId_
 
 getConnectionsToSubscribe :: DB.Connection -> IO ([ConnId], [ConnectionEntity])
diff --git a/src/Simplex/Chat/Store/Groups.hs b/src/Simplex/Chat/Store/Groups.hs
index 30e45a82d..a4a19816d 100644
--- a/src/Simplex/Chat/Store/Groups.hs
+++ b/src/Simplex/Chat/Store/Groups.hs
@@ -1121,21 +1121,21 @@ getGroupInfo db User {userId, userContactId} groupId =
       |]
       (groupId, userId, userContactId)
 
-getGroupInfoByUserContactLinkConnReq :: DB.Connection -> User -> ConnReqContact -> IO (Maybe GroupInfo)
-getGroupInfoByUserContactLinkConnReq db user cReq = do
+getGroupInfoByUserContactLinkConnReq :: DB.Connection -> User -> (ConnReqContact, ConnReqContact) -> IO (Maybe GroupInfo)
+getGroupInfoByUserContactLinkConnReq db user (cReqSchema1, cReqSchema2) = do
   groupId_ <- maybeFirstRow fromOnly $
     DB.query
       db
       [sql|
         SELECT group_id
         FROM user_contact_links
-        WHERE conn_req_contact = ?
+        WHERE conn_req_contact IN (?,?)
       |]
-      (Only cReq)
+      (cReqSchema1, cReqSchema2)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getGroupInfo db user) groupId_
 
-getGroupInfoByGroupLinkHash :: DB.Connection -> User -> ConnReqUriHash -> IO (Maybe GroupInfo)
-getGroupInfoByGroupLinkHash db user@User {userId, userContactId} groupLinkHash = do
+getGroupInfoByGroupLinkHash :: DB.Connection -> User -> (ConnReqUriHash, ConnReqUriHash) -> IO (Maybe GroupInfo)
+getGroupInfoByGroupLinkHash db user@User {userId, userContactId} (groupLinkHash1, groupLinkHash2) = do
   groupId_ <- maybeFirstRow fromOnly $
     DB.query
       db
@@ -1143,11 +1143,11 @@ getGroupInfoByGroupLinkHash db user@User {userId, userContactId} groupLinkHash =
         SELECT g.group_id
         FROM groups g
         JOIN group_members mu ON mu.group_id = g.group_id
-        WHERE g.user_id = ? AND g.via_group_link_uri_hash = ?
+        WHERE g.user_id = ? AND g.via_group_link_uri_hash IN (?,?)
           AND mu.contact_id = ? AND mu.member_status NOT IN (?,?,?)
         LIMIT 1
       |]
-      (userId, groupLinkHash, userContactId, GSMemRemoved, GSMemLeft, GSMemGroupDeleted)
+      (userId, groupLinkHash1, groupLinkHash2, userContactId, GSMemRemoved, GSMemLeft, GSMemGroupDeleted)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getGroupInfo db user) groupId_
 
 getGroupIdByName :: DB.Connection -> User -> GroupName -> ExceptT StoreError IO GroupId
diff --git a/src/Simplex/Chat/Store/Profiles.hs b/src/Simplex/Chat/Store/Profiles.hs
index fa573e4e6..c9c480649 100644
--- a/src/Simplex/Chat/Store/Profiles.hs
+++ b/src/Simplex/Chat/Store/Profiles.hs
@@ -441,17 +441,17 @@ getUserContactLinkById db userId userContactLinkId =
       |]
       (userId, userContactLinkId)
 
-getUserContactLinkByConnReq :: DB.Connection -> ConnReqContact -> IO (Maybe UserContactLink)
-getUserContactLinkByConnReq db cReq =
+getUserContactLinkByConnReq :: DB.Connection -> (ConnReqContact, ConnReqContact) -> IO (Maybe UserContactLink)
+getUserContactLinkByConnReq db (cReqSchema1, cReqSchema2) =
   maybeFirstRow toUserContactLink $
     DB.query
       db
       [sql|
         SELECT conn_req_contact, auto_accept, auto_accept_incognito, auto_reply_msg_content
         FROM user_contact_links
-        WHERE conn_req_contact = ?
+        WHERE conn_req_contact IN (?,?)
       |]
-      (Only cReq)
+      (cReqSchema1, cReqSchema2)
 
 updateUserAddressAutoAccept :: DB.Connection -> User -> Maybe AutoAccept -> ExceptT StoreError IO UserContactLink
 updateUserAddressAutoAccept db user@User {userId} autoAccept = do
diff --git a/tests/ChatTests/Direct.hs b/tests/ChatTests/Direct.hs
index 677bc4c09..1a133fd8e 100644
--- a/tests/ChatTests/Direct.hs
+++ b/tests/ChatTests/Direct.hs
@@ -270,6 +270,10 @@ testPlanInvitationLinkOwn tmp =
     alice ##> ("/_connect plan 1 " <> inv)
     alice <## "invitation link: own link"
 
+    let invSchema2 = linkAnotherSchema inv
+    alice ##> ("/_connect plan 1 " <> invSchema2)
+    alice <## "invitation link: own link"
+
     alice ##> ("/c " <> inv)
     alice <## "confirmation sent!"
     alice
@@ -305,6 +309,10 @@ testPlanInvitationLinkConnecting tmp = do
     bob ##> ("/_connect plan 1 " <> inv)
     bob <## "invitation link: connecting"
 
+    let invSchema2 = linkAnotherSchema inv
+    bob ##> ("/_connect plan 1 " <> invSchema2)
+    bob <## "invitation link: connecting"
+
 testContactClear :: HasCallStack => FilePath -> IO ()
 testContactClear =
   testChat2 aliceProfile bobProfile $
diff --git a/tests/ChatTests/Groups.hs b/tests/ChatTests/Groups.hs
index 43498711e..7a8b1368b 100644
--- a/tests/ChatTests/Groups.hs
+++ b/tests/ChatTests/Groups.hs
@@ -2290,6 +2290,11 @@ testPlanGroupLinkOkKnown =
       bob <## "group link: known group #team"
       bob <## "use #team <message> to send messages"
 
+      let gLinkSchema2 = linkAnotherSchema gLink
+      bob ##> ("/_connect plan 1 " <> gLinkSchema2)
+      bob <## "group link: known group #team"
+      bob <## "use #team <message> to send messages"
+
       bob ##> ("/c " <> gLink)
       bob <## "group link: known group #team"
       bob <## "use #team <message> to send messages"
@@ -2331,6 +2336,11 @@ testPlanHostContactDeletedGroupLinkKnown =
       bob <## "group link: known group #team"
       bob <## "use #team <message> to send messages"
 
+      let gLinkSchema2 = linkAnotherSchema gLink
+      bob ##> ("/_connect plan 1 " <> gLinkSchema2)
+      bob <## "group link: known group #team"
+      bob <## "use #team <message> to send messages"
+
       bob ##> ("/c " <> gLink)
       bob <## "group link: known group #team"
       bob <## "use #team <message> to send messages"
@@ -2347,6 +2357,10 @@ testPlanGroupLinkOwn tmp =
     alice ##> ("/_connect plan 1 " <> gLink)
     alice <## "group link: own link for group #team"
 
+    let gLinkSchema2 = linkAnotherSchema gLink
+    alice ##> ("/_connect plan 1 " <> gLinkSchema2)
+    alice <## "group link: own link for group #team"
+
     alice ##> ("/c " <> gLink)
     alice <## "connection request sent!"
     alice <## "alice_1 (Alice): accepting request to join group #team..."
@@ -2373,6 +2387,9 @@ testPlanGroupLinkOwn tmp =
     alice ##> ("/_connect plan 1 " <> gLink)
     alice <## "group link: own link for group #team"
 
+    alice ##> ("/_connect plan 1 " <> gLinkSchema2)
+    alice <## "group link: own link for group #team"
+
     -- group works if merged contact is deleted
     alice ##> "/d alice_1"
     alice <## "alice_1: contact is deleted"
@@ -2405,6 +2422,10 @@ testPlanGroupLinkConnecting tmp = do
     bob ##> ("/_connect plan 1 " <> gLink)
     bob <## "group link: connecting, allowed to reconnect"
 
+    let gLinkSchema2 = linkAnotherSchema gLink
+    bob ##> ("/_connect plan 1 " <> gLinkSchema2)
+    bob <## "group link: connecting, allowed to reconnect"
+
     threadDelay 100000
   withTestChat tmp "alice" $ \alice -> do
     alice
@@ -2417,6 +2438,10 @@ testPlanGroupLinkConnecting tmp = do
     bob ##> ("/_connect plan 1 " <> gLink)
     bob <## "group link: connecting"
 
+    let gLinkSchema2 = linkAnotherSchema gLink
+    bob ##> ("/_connect plan 1 " <> gLinkSchema2)
+    bob <## "group link: connecting"
+
     bob ##> ("/c " <> gLink)
     bob <## "group link: connecting"
 
@@ -2462,6 +2487,10 @@ testPlanGroupLinkLeaveRejoin =
       bob ##> ("/_connect plan 1 " <> gLink)
       bob <## "group link: ok to connect"
 
+      let gLinkSchema2 = linkAnotherSchema gLink
+      bob ##> ("/_connect plan 1 " <> gLinkSchema2)
+      bob <## "group link: ok to connect"
+
       bob ##> ("/c " <> gLink)
       bob <## "connection request sent!"
       alice <## "bob_1 (Bob): accepting request to join group #team..."
@@ -2490,6 +2519,10 @@ testPlanGroupLinkLeaveRejoin =
       bob <## "group link: known group #team_1"
       bob <## "use #team_1 <message> to send messages"
 
+      bob ##> ("/_connect plan 1 " <> gLinkSchema2)
+      bob <## "group link: known group #team_1"
+      bob <## "use #team_1 <message> to send messages"
+
       bob ##> ("/c " <> gLink)
       bob <## "group link: known group #team_1"
       bob <## "use #team_1 <message> to send messages"
diff --git a/tests/ChatTests/Profiles.hs b/tests/ChatTests/Profiles.hs
index 5682d09ee..bd7f4c168 100644
--- a/tests/ChatTests/Profiles.hs
+++ b/tests/ChatTests/Profiles.hs
@@ -599,6 +599,11 @@ testPlanAddressOkKnown =
       bob <## "contact address: known contact alice"
       bob <## "use @alice <message> to send messages"
 
+      let cLinkSchema2 = linkAnotherSchema cLink
+      bob ##> ("/_connect plan 1 " <> cLinkSchema2)
+      bob <## "contact address: known contact alice"
+      bob <## "use @alice <message> to send messages"
+
       bob ##> ("/c " <> cLink)
       bob <## "contact address: known contact alice"
       bob <## "use @alice <message> to send messages"
@@ -612,11 +617,15 @@ testPlanAddressOwn tmp =
     alice ##> ("/_connect plan 1 " <> cLink)
     alice <## "contact address: own address"
 
+    let cLinkSchema2 = linkAnotherSchema cLink
+    alice ##> ("/_connect plan 1 " <> cLinkSchema2)
+    alice <## "contact address: own address"
+
     alice ##> ("/c " <> cLink)
     alice <## "connection request sent!"
     alice <## "alice_1 (Alice) wants to connect to you!"
     alice <## "to accept: /ac alice_1"
-    alice <## ("to reject: /rc alice_1 (the sender will NOT be notified)")
+    alice <## "to reject: /rc alice_1 (the sender will NOT be notified)"
     alice @@@ [("<@alice_1", ""), (":2","")]
     alice ##> "/ac alice_1"
     alice <## "alice_1 (Alice): accepting contact request..."
@@ -658,6 +667,10 @@ testPlanAddressConnecting tmp = do
     bob ##> ("/_connect plan 1 " <> cLink)
     bob <## "contact address: connecting, allowed to reconnect"
 
+    let cLinkSchema2 = linkAnotherSchema cLink
+    bob ##> ("/_connect plan 1 " <> cLinkSchema2)
+    bob <## "contact address: connecting, allowed to reconnect"
+
     threadDelay 100000
   withTestChat tmp "alice" $ \alice -> do
     alice <## "Your address is active! To show: /sa"
@@ -672,6 +685,10 @@ testPlanAddressConnecting tmp = do
     bob ##> ("/_connect plan 1 " <> cLink)
     bob <## "contact address: connecting to contact alice"
 
+    let cLinkSchema2 = linkAnotherSchema cLink
+    bob ##> ("/_connect plan 1 " <> cLinkSchema2)
+    bob <## "contact address: connecting to contact alice"
+
     bob ##> ("/c " <> cLink)
     bob <## "contact address: connecting to contact alice"
 
@@ -706,6 +723,10 @@ testPlanAddressContactDeletedReconnected =
       bob ##> ("/_connect plan 1 " <> cLink)
       bob <## "contact address: ok to connect"
 
+      let cLinkSchema2 = linkAnotherSchema cLink
+      bob ##> ("/_connect plan 1 " <> cLinkSchema2)
+      bob <## "contact address: ok to connect"
+
       bob ##> ("/c " <> cLink)
       bob <## "connection request sent!"
       alice <## "bob (Bob) wants to connect to you!"
@@ -726,6 +747,11 @@ testPlanAddressContactDeletedReconnected =
       bob <## "contact address: known contact alice_1"
       bob <## "use @alice_1 <message> to send messages"
 
+      let cLinkSchema2 = linkAnotherSchema cLink
+      bob ##> ("/_connect plan 1 " <> cLinkSchema2)
+      bob <## "contact address: known contact alice_1"
+      bob <## "use @alice_1 <message> to send messages"
+
       bob ##> ("/c " <> cLink)
       bob <## "contact address: known contact alice_1"
       bob <## "use @alice_1 <message> to send messages"
diff --git a/tests/ChatTests/Utils.hs b/tests/ChatTests/Utils.hs
index d98431e81..fcb6b65e4 100644
--- a/tests/ChatTests/Utils.hs
+++ b/tests/ChatTests/Utils.hs
@@ -559,3 +559,11 @@ currentChatVRangeInfo =
 
 vRangeStr :: VersionRange -> String
 vRangeStr (VersionRange minVer maxVer) = "(" <> show minVer <> ", " <> show maxVer <> ")"
+
+linkAnotherSchema :: String -> String
+linkAnotherSchema link
+  | "https://simplex.chat/" `isPrefixOf` link =
+    T.unpack $ T.replace "https://simplex.chat/" "simplex:/" $ T.pack link
+  | "simplex:/" `isPrefixOf` link =
+    T.unpack $ T.replace "simplex:/" "https://simplex.chat/" $ T.pack link
+  | otherwise = error "link starts with neither https://simplex.chat/ nor simplex:/"