diff --git a/Cargo.toml b/Cargo.toml
index bd8d011..49b8322 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,11 @@ members = [
     "rtc-shared",
     "rtc-srtp",
     "rtc-stun",
+    "reserved/rtc-ice",
+    "reserved/rtc-interceptor",
+    "reserved/rtc-mdns",
+    "reserved/rtc-media",
+    "reserved/rtc-turn",
 ]
 resolver = "2"
 
diff --git a/reserved/rtc-ice/Cargo.toml b/reserved/rtc-ice/Cargo.toml
new file mode 100644
index 0000000..ddb4509
--- /dev/null
+++ b/reserved/rtc-ice/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rtc-ice"
+version = "0.0.0"
+authors = ["Rain Liu <yliu@webrtc.rs>"]
+edition = "2021"
+description = "RTC ICE in Rust"
+license = "MIT/Apache-2.0"
+documentation = "https://docs.rs/rtc-ice"
+homepage = "https://webrtc.rs"
+repository = "https://github.com/webrtc-rs/rtc"
+
+[dependencies]
+
+[dev-dependencies]
diff --git a/reserved/rtc-ice/src/lib.rs b/reserved/rtc-ice/src/lib.rs
new file mode 100644
index 0000000..80c6a85
--- /dev/null
+++ b/reserved/rtc-ice/src/lib.rs
@@ -0,0 +1,2 @@
+#![warn(rust_2018_idioms)]
+#![allow(dead_code)]
diff --git a/reserved/rtc-interceptor/Cargo.toml b/reserved/rtc-interceptor/Cargo.toml
new file mode 100644
index 0000000..b0b8e6d
--- /dev/null
+++ b/reserved/rtc-interceptor/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rtc-interceptor"
+version = "0.0.0"
+authors = ["Rain Liu <yliu@webrtc.rs>"]
+edition = "2021"
+description = "RTC Interceptor in Rust"
+license = "MIT/Apache-2.0"
+documentation = "https://docs.rs/rtc-interceptor"
+homepage = "https://webrtc.rs"
+repository = "https://github.com/webrtc-rs/rtc"
+
+[dependencies]
+
+[dev-dependencies]
diff --git a/reserved/rtc-interceptor/src/lib.rs b/reserved/rtc-interceptor/src/lib.rs
new file mode 100644
index 0000000..80c6a85
--- /dev/null
+++ b/reserved/rtc-interceptor/src/lib.rs
@@ -0,0 +1,2 @@
+#![warn(rust_2018_idioms)]
+#![allow(dead_code)]
diff --git a/reserved/rtc-mdns/Cargo.toml b/reserved/rtc-mdns/Cargo.toml
new file mode 100644
index 0000000..52ce5c0
--- /dev/null
+++ b/reserved/rtc-mdns/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rtc-mdns"
+version = "0.0.0"
+authors = ["Rain Liu <yliu@webrtc.rs>"]
+edition = "2021"
+description = "RTC mDNS in Rust"
+license = "MIT/Apache-2.0"
+documentation = "https://docs.rs/rtc-mdns"
+homepage = "https://webrtc.rs"
+repository = "https://github.com/webrtc-rs/rtc"
+
+[dependencies]
+
+[dev-dependencies]
diff --git a/reserved/rtc-mdns/src/lib.rs b/reserved/rtc-mdns/src/lib.rs
new file mode 100644
index 0000000..80c6a85
--- /dev/null
+++ b/reserved/rtc-mdns/src/lib.rs
@@ -0,0 +1,2 @@
+#![warn(rust_2018_idioms)]
+#![allow(dead_code)]
diff --git a/reserved/rtc-media/Cargo.toml b/reserved/rtc-media/Cargo.toml
new file mode 100644
index 0000000..7beb769
--- /dev/null
+++ b/reserved/rtc-media/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rtc-media"
+version = "0.0.0"
+authors = ["Rain Liu <yliu@webrtc.rs>"]
+edition = "2021"
+description = "RTC Media in Rust"
+license = "MIT/Apache-2.0"
+documentation = "https://docs.rs/rtc-media"
+homepage = "https://webrtc.rs"
+repository = "https://github.com/webrtc-rs/rtc"
+
+[dependencies]
+
+[dev-dependencies]
diff --git a/reserved/rtc-media/src/lib.rs b/reserved/rtc-media/src/lib.rs
new file mode 100644
index 0000000..80c6a85
--- /dev/null
+++ b/reserved/rtc-media/src/lib.rs
@@ -0,0 +1,2 @@
+#![warn(rust_2018_idioms)]
+#![allow(dead_code)]
diff --git a/reserved/rtc-turn/Cargo.toml b/reserved/rtc-turn/Cargo.toml
new file mode 100644
index 0000000..6604dee
--- /dev/null
+++ b/reserved/rtc-turn/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rtc-turn"
+version = "0.0.0"
+authors = ["Rain Liu <yliu@webrtc.rs>"]
+edition = "2021"
+description = "RTC TURN in Rust"
+license = "MIT/Apache-2.0"
+documentation = "https://docs.rs/rtc-turn"
+homepage = "https://webrtc.rs"
+repository = "https://github.com/webrtc-rs/rtc"
+
+[dependencies]
+
+[dev-dependencies]
diff --git a/reserved/rtc-turn/src/lib.rs b/reserved/rtc-turn/src/lib.rs
new file mode 100644
index 0000000..80c6a85
--- /dev/null
+++ b/reserved/rtc-turn/src/lib.rs
@@ -0,0 +1,2 @@
+#![warn(rust_2018_idioms)]
+#![allow(dead_code)]