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diff --git a/src/csharp/Grpc.Core/CallOptions.cs b/src/csharp/Grpc.Core/CallOptions.cs
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+++ b/src/csharp/Grpc.Core/CallOptions.cs
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+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Threading;
+
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core
+{
+    /// <summary>
+    /// Options for calls made by client.
+    /// </summary>
+    public class CallOptions
+    {
+        readonly Metadata headers;
+        readonly DateTime deadline;
+        readonly CancellationToken cancellationToken;
+
+        /// <summary>
+        /// Creates a new instance of <c>CallOptions</c>.
+        /// </summary>
+        /// <param name="headers">Headers to be sent with the call.</param>
+        /// <param name="deadline">Deadline for the call to finish. null means no deadline.</param>
+        /// <param name="cancellationToken">Can be used to request cancellation of the call.</param>
+        public CallOptions(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            // TODO(jtattermusch): consider only creating metadata object once it's really needed.
+            this.headers = headers != null ? headers : new Metadata();
+            this.deadline = deadline.HasValue ? deadline.Value : DateTime.MaxValue;
+            this.cancellationToken = cancellationToken;
+        }
+
+        /// <summary>
+        /// Headers to send at the beginning of the call.
+        /// </summary>
+        public Metadata Headers
+        {
+            get { return headers; }
+        }
+
+        /// <summary>
+        /// Call deadline.
+        /// </summary>
+        public DateTime Deadline
+        {
+            get { return deadline; }
+        }
+
+        /// <summary>
+        /// Token that can be used for cancelling the call.
+        /// </summary>
+        public CancellationToken CancellationToken
+        {
+            get { return cancellationToken; }
+        }
+    }
+}