diff --git a/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h b/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h
index 5d3da7659c..535e34509f 100644
--- a/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h
+++ b/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h
@@ -460,11 +460,6 @@ extern "C" {
  */
 #define MAX_SIGNALING_ENDPOINT_URI_LEN 512
 
-/**
- * Maximum allowed ICE URI length
- */
-#define MAX_ICE_CONFIG_URI_LEN 256
-
 /**
  * Maximum allowed correlation ID length
  */
diff --git a/src/include/com/amazonaws/kinesis/video/webrtcclient/Stats.h b/src/include/com/amazonaws/kinesis/video/webrtcclient/Stats.h
index 72fffb67ba..5f555b793c 100644
--- a/src/include/com/amazonaws/kinesis/video/webrtcclient/Stats.h
+++ b/src/include/com/amazonaws/kinesis/video/webrtcclient/Stats.h
@@ -24,6 +24,11 @@ extern "C" {
  */
 #define MAX_CANDIDATE_ID_LENGTH 9U
 
+/**
+ * Maximum allowed ICE URI length
+ */
+#define MAX_ICE_CONFIG_URI_LEN 256
+
 /**
  * Maximum allowed relay protocol length
  */
@@ -65,6 +70,12 @@ extern "C" {
 #define MAX_STATS_STRING_LENGTH 255U
 /*!@} */
 
+/**
+ * Maximum length of candidate type (host, srflx, relay, prflx, unknown)
+ */
+#define MAX_CANDIDATE_TYPE_LENGTH 10U
+/*!@} */
+
 /**
  * @brief DOMString type is used to store strings of size 256 bytes (inclusive of '\0' character
  *
@@ -233,8 +244,8 @@ typedef struct {
  * Reference: https://www.w3.org/TR/webrtc-stats/#ice-server-dict*
  */
 typedef struct {
-    DOMString url;                 //!< STUN/TURN server URL
-    DOMString protocol;            //!< Valid values: UDP, TCP
+    CHAR url[MAX_ICE_CONFIG_URI_LEN + 1];                 //!< STUN/TURN server URL
+    CHAR protocol[MAX_PROTOCOL_LENGTH + 1];            //!< Valid values: UDP, TCP
     UINT32 iceServerIndex;         //!< Ice server index to get stats from. Not available in spec! Needs to be
                                    //!< populated by the application to get specific server stats
     INT32 port;                    //!< Port number used by client
@@ -268,14 +279,13 @@ typedef struct {
 
 typedef struct {
     DOMString url;                        //!< For local candidates this is the URL of the ICE server from which the candidate was obtained
-    DOMString transportId;                //!< Not used currently. ID of object that was inspected for RTCTransportStats
     CHAR address[IP_ADDR_STR_LENGTH + 1]; //!< IPv4 or IPv6 address of the candidate
-    DOMString protocol;                   //!< Valid values: UDP, TCP
-    DOMString relayProtocol;              //!< Protocol used by endpoint to communicate with TURN server. (Only for local candidate)
+    CHAR protocol[MAX_PROTOCOL_LENGTH + 1];                   //!< Valid values: UDP, TCP
+    CHAR relayProtocol[MAX_PROTOCOL_LENGTH + 1];              //!< Protocol used by endpoint to communicate with TURN server. (Only for local candidate)
                                           //!< Valid values: UDP, TCP, TLS
     INT32 priority;                       //!< Computed using the formula in https://tools.ietf.org/html/rfc5245#section-15.1
     INT32 port;                           //!< Port number of the candidate
-    DOMString candidateType;              //!< Type of local/remote ICE candidate
+    CHAR candidateType[MAX_CANDIDATE_TYPE_LENGTH + 1]; //!< Type of local/remote ICE candidate
 } RtcIceCandidateStats, *PRtcIceCandidateStats;
 
 /**
diff --git a/src/source/Ice/IceAgent.h b/src/source/Ice/IceAgent.h
index 098b5ca222..e58445a0e1 100644
--- a/src/source/Ice/IceAgent.h
+++ b/src/source/Ice/IceAgent.h
@@ -90,14 +90,13 @@ typedef struct {
 
 typedef struct {
     DOMString url; //!< For local candidates this is the URL of the ICE server from which the candidate was obtained
-    DOMString transportId[MAX_STATS_STRING_LENGTH + 1]; //!< ID of object that was inspected for RTCTransportStats
     CHAR address[KVS_IP_ADDRESS_STRING_BUFFER_LEN];     //!< IPv4 or IPv6 address of the candidate
-    DOMString protocol;                                 //!< Valid values: UDP, TCP
-    DOMString relayProtocol;                            //!< Protocol used by endpoint to communicate with TURN server.
+    CHAR protocol[MAX_PROTOCOL_LENGTH + 1];                                 //!< Valid values: UDP, TCP
+    CHAR relayProtocol[MAX_PROTOCOL_LENGTH + 1];                            //!< Protocol used by endpoint to communicate with TURN server.
                                                         //!< Valid values: UDP, TCP, TLS
     INT32 priority;                                     //!< Computed using the formula in https://tools.ietf.org/html/rfc5245#section-15.1
     INT32 port;                                         //!< Port number of the candidate
-    DOMString candidateType;                            //!< Type of local/remote ICE candidate
+    CHAR candidateType[MAX_CANDIDATE_TYPE_LENGTH + 1]                            //!< Type of local/remote ICE candidate
 } RtcIceCandidateDiagnostics, *PRtcIceCandidateDiagnostics;
 
 typedef struct {