diff --git a/cli/.env.example b/cli/.env.example
index 9045e78..b29c920 100644
--- a/cli/.env.example
+++ b/cli/.env.example
@@ -1,2 +1,5 @@
 DEADDROP_API_URL=https://api-base.com
 PEER_SERVER_URL=https://peer-server.com/endpoint
+
+TURN_USERNAME="username"
+TURN_PWD="password"
diff --git a/cli/lib/peer.ts b/cli/lib/peer.ts
index 7c3e25b..76bfbd2 100644
--- a/cli/lib/peer.ts
+++ b/cli/lib/peer.ts
@@ -1,4 +1,7 @@
 import { createPeer } from '@shared/lib/peer';
 
 export const initPeer = () =>
-    createPeer(process.env.PEER_SERVER_URL!);
+    createPeer(process.env.PEER_SERVER_URL!, {
+        username: process.env.TURN_USERNAME!,
+        credential: process.env.TURN_PWD!,
+    });
diff --git a/shared/lib/peer.ts b/shared/lib/peer.ts
index 15617c0..426e191 100644
--- a/shared/lib/peer.ts
+++ b/shared/lib/peer.ts
@@ -1,5 +1,6 @@
 import Peer from 'peerjs';
 import { generateId } from './util';
+import { IceServerCredentials } from '../types/peer';
 
 const isServer = typeof window === 'undefined';
 
@@ -18,15 +19,42 @@ export const removeOnUnloadListener = () => {
     }
 };
 
-export function createPeer(url: string) {
+export function createPeer(
+    url: string,
+    { username, credential }: IceServerCredentials,
+) {
     const id = generateId();
     const server = new URL(url);
 
+    const iceConfig = {
+        iceServers: [
+            {
+                urls: 'stun:stun.relay.metered.ca:80',
+            },
+            {
+                urls: 'turn:a.relay.metered.ca:80',
+                username,
+                credential,
+            },
+            {
+                urls: 'turn:a.relay.metered.ca:443',
+                username,
+                credential,
+            },
+            {
+                urls: 'turn:a.relay.metered.ca:443?transport=tcp',
+                username,
+                credential,
+            },
+        ],
+    };
+
     const peer = new Peer(id, {
         host: server.host,
         path: server.pathname,
         secure: true,
         port: 443,
+        config: iceConfig,
     });
 
     peer.on('call', (call) => {
diff --git a/shared/types/peer.ts b/shared/types/peer.ts
new file mode 100644
index 0000000..dfd581b
--- /dev/null
+++ b/shared/types/peer.ts
@@ -0,0 +1,8 @@
+export type IceServerCredentials = {
+    username?: string;
+    credential: string;
+};
+
+export type IceServerConfigurationItem = { urls: string } & IceServerCredentials;
+
+export type IceServerConfiguration = IceServerConfigurationItem[];
diff --git a/web/.env.example b/web/.env.example
index 599d663..d06c0be 100644
--- a/web/.env.example
+++ b/web/.env.example
@@ -26,3 +26,6 @@ IPINFO_IO_TOKEN=1234567890
 STRIPE_SECRET_KEY="<secret_key>"
 STRIPE_WEBHOOK_SECRET="<webhook_secret>"
 NEXT_PUBLIC_STRIPE_LIFETIME_LICENSE_LINK="<payment_link>"
+
+NEXT_PUBLIC_TURN_USERNAME="username"
+NEXT_PUBLIC_TURN_PWD="password"
diff --git a/web/lib/peer.ts b/web/lib/peer.ts
index f7a4410..bfb23b7 100644
--- a/web/lib/peer.ts
+++ b/web/lib/peer.ts
@@ -1,4 +1,7 @@
 import { createPeer } from '@shared/lib/peer';
 
 export const initPeer = () =>
-    createPeer(process.env.NEXT_PUBLIC_PEER_SERVER_URL!);
+    createPeer(process.env.NEXT_PUBLIC_PEER_SERVER_URL!, {
+        username: process.env.NEXT_PUBLIC_TURN_USERNAME!,
+        credential: process.env.NEXT_PUBLIC_TURN_PWD!,
+    });