diff --git a/plugins/ice/src/dtls_srtp.vala b/plugins/ice/src/dtls_srtp.vala
index 8a9b5dfa..e8fc01c7 100644
--- a/plugins/ice/src/dtls_srtp.vala
+++ b/plugins/ice/src/dtls_srtp.vala
@@ -216,9 +216,7 @@ public class Handler {
     private static int pull_timeout_function(void* transport_ptr, uint ms) {
         Handler self = transport_ptr as Handler;
 
-        DateTime current_time = new DateTime.now_utc();
-        current_time.add_seconds(ms/1000);
-        int64 end_time = current_time.to_unix();
+        int64 end_time = get_monotonic_time() + ms * 1000;
 
         self.buffer_mutex.lock();
         while (self.buffer_queue.size == 0) {
@@ -228,9 +226,9 @@ public class Handler {
                 return -1;
             }
 
-            DateTime new_current_time = new DateTime.now_utc();
-            if (new_current_time.compare(current_time) > 0) {
-                break;
+            if (get_monotonic_time() > end_time) {
+                self.buffer_mutex.unlock();
+                return 0;
             }
         }
         self.buffer_mutex.unlock();
diff --git a/plugins/ice/src/transport_parameters.vala b/plugins/ice/src/transport_parameters.vala
index e4862edc..f854a367 100644
--- a/plugins/ice/src/transport_parameters.vala
+++ b/plugins/ice/src/transport_parameters.vala
@@ -40,6 +40,7 @@ public class Dino.Plugins.Ice.TransportParameters : JingleIceUdp.IceUdpTransport
             yield base.terminate(we_terminated, reason_string, reason_text);
             this.disconnect(datagram_received_id);
             agent = null;
+            dtls_srtp_handler = null;
         }
 
         public override void send_datagram(Bytes datagram) {
@@ -324,4 +325,11 @@ public class Dino.Plugins.Ice.TransportParameters : JingleIceUdp.IceUdpTransport
 
         return candidate;
     }
+
+    public override void dispose() {
+        base.dispose();
+        agent = null;
+        dtls_srtp_handler = null;
+        connections.clear();
+    }
 }
diff --git a/xmpp-vala/src/module/xep/0166_jingle/content.vala b/xmpp-vala/src/module/xep/0166_jingle/content.vala
index bce03a7b..67510c36 100644
--- a/xmpp-vala/src/module/xep/0166_jingle/content.vala
+++ b/xmpp-vala/src/module/xep/0166_jingle/content.vala
@@ -107,6 +107,7 @@ public class Xmpp.Xep.Jingle.Content : Object {
 
     public void terminate(bool we_terminated, string? reason_name, string? reason_text) {
         content_params.terminate(we_terminated, reason_name, reason_text);
+        transport_params.dispose();
 
         foreach (ComponentConnection connection in component_connections.values) {
             connection.terminate(we_terminated, reason_name, reason_text);
diff --git a/xmpp-vala/src/module/xep/0166_jingle/session.vala b/xmpp-vala/src/module/xep/0166_jingle/session.vala
index 2d359f01..5fe89415 100644
--- a/xmpp-vala/src/module/xep/0166_jingle/session.vala
+++ b/xmpp-vala/src/module/xep/0166_jingle/session.vala
@@ -210,9 +210,7 @@ public class Xmpp.Xep.Jingle.Session : Object {
     }
 
     public async void add_content(Content content) {
-        content.session = this;
-        this.contents_map[content.content_name] = content;
-        contents.add(content);
+        insert_content(content);
 
         StanzaNode content_add_node = new StanzaNode.build("jingle", NS_URI)
                 .add_self_xmlns()
diff --git a/xmpp-vala/src/module/xep/0167_jingle_rtp/content_parameters.vala b/xmpp-vala/src/module/xep/0167_jingle_rtp/content_parameters.vala
index c37c19cc..d6f1acd2 100644
--- a/xmpp-vala/src/module/xep/0167_jingle_rtp/content_parameters.vala
+++ b/xmpp-vala/src/module/xep/0167_jingle_rtp/content_parameters.vala
@@ -84,30 +84,34 @@ public class Xmpp.Xep.JingleRtp.Parameters : Jingle.ContentParameters, Object {
         Jingle.DatagramConnection rtcp_datagram = (Jingle.DatagramConnection) content.get_transport_connection(2);
 
         ulong rtcp_ready_handler_id = 0;
-        rtcp_ready_handler_id = rtcp_datagram.notify["ready"].connect(() => {
+        rtcp_ready_handler_id = rtcp_datagram.notify["ready"].connect((rtcp_datagram, _) => {
             this.stream.on_rtcp_ready();
 
-            rtcp_datagram.disconnect(rtcp_ready_handler_id);
+            ((Jingle.DatagramConnection)rtcp_datagram).disconnect(rtcp_ready_handler_id);
             rtcp_ready_handler_id = 0;
         });
 
         ulong rtp_ready_handler_id = 0;
-        rtp_ready_handler_id = rtp_datagram.notify["ready"].connect(() => {
+        rtp_ready_handler_id = rtp_datagram.notify["ready"].connect((rtp_datagram, _) => {
             this.stream.on_rtp_ready();
             if (rtcp_mux) {
                 this.stream.on_rtcp_ready();
             }
             connection_ready();
 
-            rtp_datagram.disconnect(rtp_ready_handler_id);
+            ((Jingle.DatagramConnection)rtp_datagram).disconnect(rtp_ready_handler_id);
             rtp_ready_handler_id = 0;
         });
 
-        session.notify["state"].connect((obj, _) => {
+        ulong session_state_handler_id = 0;
+        session_state_handler_id = session.notify["state"].connect((obj, _) => {
             Jingle.Session session2 = (Jingle.Session) obj;
             if (session2.state == Jingle.Session.State.ENDED) {
                 if (rtcp_ready_handler_id != 0) rtcp_datagram.disconnect(rtcp_ready_handler_id);
                 if (rtp_ready_handler_id != 0) rtp_datagram.disconnect(rtp_ready_handler_id);
+                if (session_state_handler_id != 0) {
+                    session2.disconnect(session_state_handler_id);
+                }
             }
         });