diff --git a/.changeset/hungry-parents-work.md b/.changeset/hungry-parents-work.md
new file mode 100644
index 0000000..5de1c3a
--- /dev/null
+++ b/.changeset/hungry-parents-work.md
@@ -0,0 +1,5 @@
+---
+"server-sdk-kotlin": patch
+---
+
+Add support for destination_country in outbound trunks
diff --git a/protocol b/protocol
index 3ee2664..7b3cb6d 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit 3ee2664416147b7ca8086fd1aa818164d2673b0b
+Subproject commit 7b3cb6db8d69394d2e157147257b462b6669ab22
diff --git a/src/main/kotlin/io/livekit/server/SipServiceClient.kt b/src/main/kotlin/io/livekit/server/SipServiceClient.kt
index 20d8bd6..dafb5d4 100644
--- a/src/main/kotlin/io/livekit/server/SipServiceClient.kt
+++ b/src/main/kotlin/io/livekit/server/SipServiceClient.kt
@@ -100,6 +100,7 @@ class SipServiceClient(
                     opt.metadata?.let { this.metadata = it }
                     opt.authUsername?.let { this.authUsername = it }
                     opt.authPassword?.let { this.authPassword = it }
+                    opt.destinationCountry?.let { this.destinationCountry = it }
                 }
                 build()
             }
@@ -160,6 +161,7 @@ class SipServiceClient(
                     opt.authUsername?.let { this.authUsername = it }
                     opt.authPassword?.let { this.authPassword = it }
                     opt.numbers?.let { this.numbers = buildListUpdate(it) }
+                    opt.destinationCountry?.let { this.destinationCountry = it }
                 }
                 build()
             }
@@ -449,6 +451,7 @@ data class CreateSipOutboundTrunkOptions(
     var transport: LivekitSip.SIPTransport = LivekitSip.SIPTransport.SIP_TRANSPORT_AUTO,
     var authUsername: String? = null,
     var authPassword: String? = null,
+    var destinationCountry: String? = null,
 )
 
 data class UpdateSipInboundTrunkOptions(
@@ -469,6 +472,7 @@ data class UpdateSipOutboundTrunkOptions(
     var transport: LivekitSip.SIPTransport? = null,
     var authUsername: String? = null,
     var authPassword: String? = null,
+    var destinationCountry: String? = null,
 )
 
 /**