refactor: rearrange and add solution for 4-series

src/PepperDash.Essentials.Devices.Common/AudioCodec/Interfaces/IAudioCodecInfo.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+namespace PepperDash.Essentials.Devices.Common.AudioCodec
+{
+    /// <summary>
+    /// Implements a common set of data about a codec
+    /// </summary>
+    public interface IAudioCodecInfo
+    {
+        AudioCodecInfo CodecInfo { get; }
+    }
+
+    /// <summary>
+    /// Stores general information about a codec
+    /// </summary>
+    public abstract class AudioCodecInfo
+    {
+        public abstract string PhoneNumber { get; set; }
+    }
+}