diff --git a/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj b/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj
index b3f78d0e..3689bf61 100644
--- a/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj	
+++ b/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj	
@@ -130,6 +130,7 @@
     <Compile Include="VideoCodec\Interfaces\IHasSelfviewSize.cs" />
     <Compile Include="VideoCodec\Interfaces\IHasStandbyMode.cs" />
     <Compile Include="VideoCodec\Interfaces\IHasStartMeeting.cs" />
+    <Compile Include="VideoCodec\Interfaces\IJoinCalls.cs" />
     <Compile Include="VideoCodec\Interfaces\iVideoCodecInfo.cs" />
     <Compile Include="Codec\iHasCallFavorites.cs" />
     <Compile Include="Codec\iHasCallHistory.cs" />
diff --git a/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/CiscoCodec/CiscoSparkCodec.cs b/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/CiscoCodec/CiscoSparkCodec.cs
index 99021350..779fd310 100644
--- a/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/CiscoCodec/CiscoSparkCodec.cs	
+++ b/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/CiscoCodec/CiscoSparkCodec.cs	
@@ -30,7 +30,7 @@ namespace PepperDash.Essentials.Devices.Common.VideoCodec.Cisco
         IHasScheduleAwareness, IOccupancyStatusProvider, IHasCodecLayouts, IHasCodecSelfView,
         ICommunicationMonitor, IRouting, IHasCodecCameras, IHasCameraAutoMode, IHasCodecRoomPresets, 
         IHasExternalSourceSwitching, IHasBranding, IHasCameraOff, IHasCameraMute, IHasDoNotDisturbMode,
-        IHasHalfWakeMode, IHasCallHold
+        IHasHalfWakeMode, IHasCallHold, IJoinCalls
     {
         private bool _externalSourceChangeRequested;
 
@@ -1400,6 +1400,23 @@ namespace PepperDash.Essentials.Devices.Common.VideoCodec.Cisco
             SendText(string.Format("xCommand Call Resume CallId: {0}", activeCall.Id));
         }
 
+        #endregion
+        #region IJoinCalls
+
+        public void JoinCall(CodecActiveCallItem activeCall)
+        {
+            SendText(string.Format("xCommand Call Join CallId: {0}", activeCall.Id));
+        }
+
+        public void JoinAllCalls()
+        {
+            foreach (var call in ActiveCalls)
+            {
+                if(call.IsActiveCall)
+                    JoinCall(call);
+            }
+        }
+
         #endregion
 
         public override void SendDtmf(string s)
diff --git a/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/Interfaces/IJoinCalls.cs b/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/Interfaces/IJoinCalls.cs
new file mode 100644
index 00000000..b84db1e9
--- /dev/null
+++ b/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/Interfaces/IJoinCalls.cs	
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+using PepperDash.Essentials.Devices.Common.Codec;
+
+namespace PepperDash.Essentials.Devices.Common.VideoCodec
+{
+    public interface IJoinCalls
+    {
+        void JoinCall(CodecActiveCallItem activeCall);
+        void JoinAllCalls();
+    }
+}
\ No newline at end of file