From f53dedd44654036d0438f6fbabb2f1ade2c4b9b5 Mon Sep 17 00:00:00 2001
From: yeoleobun <yangli245@live.com>
Date: Wed, 31 Dec 2025 14:29:56 +0800
Subject: [PATCH] save destination from Invite option, used for cancel

---
 src/dialog/dialog.rs     |  9 +++++++++
 src/dialog/invitation.rs | 10 ++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/dialog/dialog.rs b/src/dialog/dialog.rs
index b3027cf..c114999 100644
--- a/src/dialog/dialog.rs
+++ b/src/dialog/dialog.rs
@@ -700,6 +700,15 @@ impl DialogInner {
         let key = TransactionKey::from_request(&request, TransactionRole::Client)?;
         let mut tx = Transaction::new_client(key, request, self.endpoint_inner.clone(), None);
 
+        if matches!(method, Method::Cancel) {
+            self.remote_uri
+                .lock()
+                .map(|guard| {
+                    tx.destination = SipAddr::try_from(guard.clone()).ok();
+                })
+                .ok();
+        }
+
         if let Some(route) = tx.original.route_header() {
             if let Some(first_route) = route.typed().ok().and_then(|r| r.uris().first().cloned()) {
                 tx.destination = SipAddr::try_from(&first_route.uri).ok();
diff --git a/src/dialog/invitation.rs b/src/dialog/invitation.rs
index d083965..92e3fa0 100644
--- a/src/dialog/invitation.rs
+++ b/src/dialog/invitation.rs
@@ -506,6 +506,16 @@ impl DialogLayer {
             tx.tu_sender.clone(),
         )?;
 
+        if let Some(destination) = &tx.destination {
+            let uri = destination.clone().into();
+            dlg_inner
+                .remote_uri
+                .lock()
+                .map(|mut guard| {
+                    *guard = uri;
+                })
+                .ok();
+        }
         let dialog = ClientInviteDialog {
             inner: Arc::new(dlg_inner),
         };