diff --git a/src/status_im/models/pending_messages.cljs b/src/status_im/models/pending_messages.cljs
index 093df19a35..d91e9ce0bc 100644
--- a/src/status_im/models/pending_messages.cljs
+++ b/src/status_im/models/pending_messages.cljs
@@ -14,14 +14,12 @@
 (defn get-pending-messages! []
   (->> (r/get-all :account :pending-message)
        r/realm-collection->list
-       (map (fn [{:keys [message-id] :as message}]
-              (-> message
-                  (update :topics reader/read-string)
-                  (assoc :id message-id))))))
+       (map (fn [message]
+              (update message :topics reader/read-string)))))
 
 (defn- get-id
   [message-id to]
-  (let [to' (if (and to (str/starts-with? "0x" to))
+  (let [to' (if (and to (str/starts-with? to "0x"))
               (subs to 2)
               to)
         to'' (when to' (subs to' 0 7))
diff --git a/src/status_im/protocol/core.cljs b/src/status_im/protocol/core.cljs
index 05ff4c9d04..f1207e75cc 100644
--- a/src/status_im/protocol/core.cljs
+++ b/src/status_im/protocol/core.cljs
@@ -65,6 +65,7 @@
   {:pre [(valid? ::options options)]}
   (debug :init-whisper)
   (stop-watching-all!)
+  (d/reset-all-pending-messages!)
   (let [web3 (u/make-web3 rpc-url)
         listener-options {:web3     web3
                           :identity identity}]
diff --git a/src/status_im/protocol/discoveries.cljs b/src/status_im/protocol/discoveries.cljs
index 9a377d385b..22667337b0 100644
--- a/src/status_im/protocol/discoveries.cljs
+++ b/src/status_im/protocol/discoveries.cljs
@@ -63,6 +63,7 @@
 (defn contact-request!
   [{:keys [web3 message]}]
   {:pre [(valid? :contact-request/message message)]}
+  (debug :send-command-request!)
   (d/add-pending-message!
     web3
     (assoc message :type :contact-request
diff --git a/src/status_im/protocol/handlers.cljs b/src/status_im/protocol/handlers.cljs
index bc4891ebdf..455f14edd1 100644
--- a/src/status_im/protocol/handlers.cljs
+++ b/src/status_im/protocol/handlers.cljs
@@ -23,8 +23,8 @@
                   :identity                    public-key
                   :groups                      groups
                   :callback                    #(dispatch [:incoming-message %1 %2])
-                  :ack-not-received-s-interval 17
-                  :default-ttl                 15
+                  :ack-not-received-s-interval 125
+                  :default-ttl                 120
                   :send-online-s-interval      180
                   :ttl                         {}
                   :max-attempts-number         3
@@ -51,8 +51,12 @@
       (case type
         :message (dispatch [:received-protocol-message! message])
         :group-message (dispatch [:received-protocol-message! message])
-        :ack (when (#{:message :group-message} (:type payload))
-               (dispatch [:message-delivered message]))
+        :ack (cond
+               (#{:message :group-message} (:type payload))
+               (dispatch [:message-delivered message])
+
+               (= :contact-request (:type payload))
+               (dispatch [:pending-message-remove message]))
         :seen (dispatch [:message-seen message])
         :group-invitation (dispatch [:group-chat-invite-received message])
         :leave-group (dispatch [:participant-left-group message])
diff --git a/src/status_im/protocol/web3/delivery.cljs b/src/status_im/protocol/web3/delivery.cljs
index 25d33faeee..545d87bf5e 100644
--- a/src/status_im/protocol/web3/delivery.cljs
+++ b/src/status_im/protocol/web3/delivery.cljs
@@ -73,29 +73,44 @@
                    ::attempts ::was-sent?]))
 
 (defn add-prepeared-pending-message!
-  [web3 {:keys [id to] :as pending-message}]
+  [web3 {:keys [message-id to] :as pending-message}]
   {:pre [(valid? :delivery/pending-message pending-message)]}
   (debug :add-prepeared-pending-message!)
   (let [message (select-keys pending-message [:from :to :topics :payload])
-        pending-message' (assoc pending-message :message message)]
-    (swap! messages assoc-in [web3 id to] pending-message')
+        pending-message' (assoc pending-message :message message
+                                                :id message-id)]
+    (swap! messages assoc-in [web3 message-id to] pending-message')
     (when to
       (swap! recipient->pending-message
-             update to set/union #{[web3 id to]}))))
+             update to set/union #{[web3 message-id to]}))))
 
 (defn remove-pending-message! [web3 id to]
-  (swap! messages update-in [web3 id] dissoc to)
+  (swap! messages update web3
+         (fn [messages]
+           (when messages
+             (let [message (messages id)
+                   message' (dissoc message to)]
+               (if (seq message')
+                 (assoc messages id message')
+                 (dissoc messages id))))))
   (when to
     (swap! recipient->pending-message
            update to set/difference #{[web3 id to]})))
 
 (defn message-was-sent! [web3 id to]
-  (let [messages' (swap! messages update-in [web3 id to]
-                         (fn [message]
-                           (assoc message :was-sent? true
-                                          :attemps 1)))]
+  (let [messages' (swap! messages update web3
+                         (fn [messages]
+                           (let [message (get-in messages [id to])
+                                 message' (when message
+                                            (assoc message :was-sent? true
+                                                           :attemps 1))]
+                             (if message'
+                               (assoc-in messages [id to] message')
+                               messages))))]
     (when @pending-mesage-callback
-      (@pending-mesage-callback :sent (get-in messages' [web3 id to])))))
+      (let [message (get-in messages' [web3 id to])]
+        (when message
+          (@pending-mesage-callback :sent message))))))
 
 (defn attempt-was-made! [web3 id to]
   (debug :attempt-was-made id)
@@ -191,3 +206,6 @@
                (update-in messages key assoc
                           :last-attempt 0
                           :attempts 0))))))
+
+(defn reset-all-pending-messages! []
+  (reset! messages {}))
diff --git a/src/status_im/protocol/web3/transport.cljs b/src/status_im/protocol/web3/transport.cljs
index ff00d4fcf1..d913869370 100644
--- a/src/status_im/protocol/web3/transport.cljs
+++ b/src/status_im/protocol/web3/transport.cljs
@@ -13,5 +13,5 @@
 (defn post-message!
   [web3 message callback]
   {:pre [(valid? :shh/message message)]}
-  (debug :post-message web3 message)
+  (debug :post-message message)
   (.post (u/shh web3) (clj->js message) callback))