diff --git a/Cargo.lock b/Cargo.lock
index 32bd284..d6eca84 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -175,9 +175,9 @@ dependencies = [
 
 [[package]]
 name = "colibri"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2a17c805592bcb654dc14d11cd8f3ccb9d34ab2af7bdbde6e437aa055092df8"
+checksum = "3c3218f52768bd253336854a154bda06c4e9a10bfea4186d6e7a86dad86704d9"
 dependencies = [
  "serde",
  "serde_json",
diff --git a/lib-gst-meet/src/colibri.rs b/lib-gst-meet/src/colibri.rs
index c44383d..6599460 100644
--- a/lib-gst-meet/src/colibri.rs
+++ b/lib-gst-meet/src/colibri.rs
@@ -23,6 +23,7 @@ use crate::tls::wss_connector;
 const MAX_CONNECT_RETRIES: u8 = 3;
 const CONNECT_RETRY_SLEEP: Duration = Duration::from_secs(3);
 
+#[derive(Clone)]
 pub(crate) struct ColibriChannel {
   send_tx: mpsc::Sender<ColibriMessage>,
   recv_tx: Arc<Mutex<Vec<mpsc::Sender<ColibriMessage>>>>,
diff --git a/lib-gst-meet/src/conference.rs b/lib-gst-meet/src/conference.rs
index 34458fd..ad04780 100644
--- a/lib-gst-meet/src/conference.rs
+++ b/lib-gst-meet/src/conference.rs
@@ -2,7 +2,7 @@ use std::{collections::HashMap, convert::TryFrom, fmt, future::Future, pin::Pin,
 
 use anyhow::{anyhow, bail, Context, Result};
 use async_trait::async_trait;
-use colibri::ColibriMessage;
+use colibri::{ColibriMessage, JsonMessage};
 use futures::stream::StreamExt;
 use gstreamer::prelude::{ElementExt, ElementExtManual, GstBinExt};
 use jitsi_xmpp_parsers::jingle::{Action, Jingle};
@@ -597,6 +597,7 @@ impl StanzaFilter for JitsiConference {
                       ColibriChannel::new(&colibri_url, self.tls_insecure).await?;
                     let (tx, rx) = mpsc::channel(8);
                     colibri_channel.subscribe(tx).await;
+                    let colibri_channel_ = colibri_channel.clone();
                     jingle_session.colibri_channel = Some(colibri_channel);
 
                     let self_ = self.clone();
@@ -606,8 +607,25 @@ impl StanzaFilter for JitsiConference {
                         // Some message types are handled internally rather than passed to the on_colibri_message handler.
 
                         // End-to-end ping
-                        if let ColibriMessage::EndpointMessage { to, .. } = &msg {
-                          // if to ==
+                        if let ColibriMessage::EndpointMessage { to, from, msg_payload } = &msg {
+                          if let Some(to) = to {
+                            let my_endpoint_id = self_.jid.to_string().split('-').next().unwrap().to_owned();
+                            if to == &my_endpoint_id {
+                              match serde_json::from_value::<JsonMessage>(msg_payload.clone()) {
+                                Ok(JsonMessage::E2ePingRequest { id }) => {
+                                  if let Err(e) = colibri_channel_.send(ColibriMessage::EndpointMessage {
+                                    from: Some(my_endpoint_id),
+                                    to: from.clone(),
+                                    msg_payload: serde_json::to_value(JsonMessage::E2ePingResponse { id }).unwrap(),
+                                  }).await {
+                                    warn!("failed to send e2e ping response: {:?}", e);
+                                  }
+                                  continue;
+                                },
+                                _ => {},
+                              }
+                            }
+                          }
                         }
 
                         let locked_inner = self_.inner.lock().await;