From b87160036ce5401172e8b0b842203eba2dc2865d Mon Sep 17 00:00:00 2001
From: yeoleobun <yangli245@live.com>
Date: Wed, 26 Nov 2025 18:33:41 +0800
Subject: [PATCH 1/2] set route set for 18x with to tag

---
 src/dialog/client_dialog.rs | 10 ++++++++++
 src/dialog/dialog.rs        |  4 ----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/dialog/client_dialog.rs b/src/dialog/client_dialog.rs
index c2869cbc..1d8f8b6b 100644
--- a/src/dialog/client_dialog.rs
+++ b/src/dialog/client_dialog.rs
@@ -540,6 +540,16 @@ impl ClientInviteDialog {
                         dialog_id = id;
                     }
                     match resp.status_code {
+
+                        StatusCode::Ringing | StatusCode::SessionProgress
+                            if resp
+                                .to_header()
+                                .ok()
+                                .and_then(|h| h.tag().ok().flatten())
+                                .is_some() =>
+                        {
+                            self.inner.update_route_set_from_response(&resp);
+                        }
                         StatusCode::OK => {
                             self.inner.update_route_set_from_response(&resp);
                             // 200 response to INVITE always contains Contact header
diff --git a/src/dialog/dialog.rs b/src/dialog/dialog.rs
index 3149eb57..453baed2 100644
--- a/src/dialog/dialog.rs
+++ b/src/dialog/dialog.rs
@@ -499,10 +499,6 @@ impl DialogInner {
             })
             .collect();
 
-        if new_route_set.is_empty() {
-            return;
-        }
-
         new_route_set.reverse();
         *self.route_set.lock().unwrap() = new_route_set;
     }

From 066ba0e2af0387e6cd6cdf5c5a967cd6c5430e09 Mon Sep 17 00:00:00 2001
From: yeoleobun <yangli245@live.com>
Date: Wed, 26 Nov 2025 19:10:01 +0800
Subject: [PATCH 2/2] fix fmt check

---
 Cargo.toml                  | 2 +-
 src/dialog/client_dialog.rs | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 25750e76..3d90b174 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,6 @@ tokio-rustls = { version = "0.26.4", optional = true }
 rustls-pemfile = { version = "2.2.0", optional = true }
 rustls = "0.23.35"
 clap = { version = "4.5.47", features = ["derive"] }
-http = "1.3.1"
 nom = "8.0.0"
 
 [features]
@@ -60,6 +59,7 @@ stun-rs = "0.1.11"
 axum = { version = "0.8.6", features = ["ws"] }
 tower = "0.5.2"
 tower-http = { version = "0.6.6", features = ["fs", "cors"] }
+http = "1.3.1"
 
 [[example]]
 name = "client"
diff --git a/src/dialog/client_dialog.rs b/src/dialog/client_dialog.rs
index 1d8f8b6b..188392f0 100644
--- a/src/dialog/client_dialog.rs
+++ b/src/dialog/client_dialog.rs
@@ -540,7 +540,6 @@ impl ClientInviteDialog {
                         dialog_id = id;
                     }
                     match resp.status_code {
-
                         StatusCode::Ringing | StatusCode::SessionProgress
                             if resp
                                 .to_header()