From 733c94b996204151f580de2dd7f3402124b70977 Mon Sep 17 00:00:00 2001
From: Pierre Lehnen <55164754+pierre-lehnen-rc@users.noreply.github.com>
Date: Tue, 16 Dec 2025 10:02:06 -0300
Subject: [PATCH] fix: "Call Ended" SFX played when a call starts in a
 different tab (#37816)

---
 .changeset/loud-elephants-happen.md      | 5 +++++
 packages/media-signaling/src/lib/Call.ts | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/loud-elephants-happen.md

diff --git a/.changeset/loud-elephants-happen.md b/.changeset/loud-elephants-happen.md
new file mode 100644
index 00000000000..0f505ff2445
--- /dev/null
+++ b/.changeset/loud-elephants-happen.md
@@ -0,0 +1,5 @@
+---
+'@rocket.chat/media-signaling': patch
+---
+
+Fixes an issue where the client would play the Call Ended sound effect when the user started calling someone on a different session
diff --git a/packages/media-signaling/src/lib/Call.ts b/packages/media-signaling/src/lib/Call.ts
index 9dd82abfde0..7cfab05754b 100644
--- a/packages/media-signaling/src/lib/Call.ts
+++ b/packages/media-signaling/src/lib/Call.ts
@@ -296,17 +296,22 @@ export class ClientMediaCall implements IClientMediaCall {
 		this._flags = signal.flags || [];
 
 		this._transferredBy = signal.transferredBy || null;
-		this.changeContact(signal.contact);
 
 		if (this._role === 'caller' && !this.acceptedLocally) {
 			if (oldCall) {
 				this.acceptedLocally = true;
+			} else if (signal.self?.contractId && signal.self.contractId !== this.config.sessionId) {
+				// Call from another session, must be flagged as ignored before any event is triggered
+				this.config.logger?.log('Ignoring Outbound Call from a different session');
+				this.contractState = 'ignored';
 			} else if (AUTO_IGNORE_UNKNOWN_OUTBOUND_CALLS) {
 				this.config.logger?.log('Ignoring Unknown Outbound Call');
 				this.ignore();
 			}
 		}
 
+		this.changeContact(signal.contact);
+
 		// If the call is already flagged as over before the initialization, do not process anything other than filling in the basic information
 		if (this.isOver()) {
 			return;