From 1a5a7a12c3ce350f7cd076b106fa4a443f7b1dad Mon Sep 17 00:00:00 2001
From: richardcho-msft <95773682+richardcho-msft@users.noreply.github.com>
Date: Thu, 16 Feb 2023 11:02:16 -0800
Subject: [PATCH] fix transfer logic (#34263)

---
 .../Azure.Communication.CallAutomation/src/CallConnection.cs    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sdk/communication/Azure.Communication.CallAutomation/src/CallConnection.cs b/sdk/communication/Azure.Communication.CallAutomation/src/CallConnection.cs
index 49f19df4af8b..f4ac656f7720 100644
--- a/sdk/communication/Azure.Communication.CallAutomation/src/CallConnection.cs
+++ b/sdk/communication/Azure.Communication.CallAutomation/src/CallConnection.cs
@@ -296,6 +296,8 @@ private static TransferToParticipantRequestInternal CreateTransferToParticipantR
 
             request.TransfereeCallerId = options.CallInvite.SourceCallerIdNumber == null ? null : new PhoneNumberIdentifierModel(options.CallInvite.SourceCallerIdNumber.PhoneNumber);
 
+            request.CustomContext = new CustomContextInternal();
+
             foreach (var sipHeader in options.CallInvite.SipHeaders)
             {
                 request.CustomContext.SipHeaders.Add(sipHeader.Key, sipHeader.Value);