diff --git a/source/cellular_common_api.c b/source/cellular_common_api.c
index d6a7e167..cc13f06a 100644
--- a/source/cellular_common_api.c
+++ b/source/cellular_common_api.c
@@ -438,14 +438,15 @@ CellularError_t Cellular_CommonSocketSetSockOpt( CellularHandle_t cellularHandle
     }
     else
     {
-        if( optionLevel == CELLULAR_SOCKET_OPTION_LEVEL_IP )
+        if( optionLevel == CELLULAR_SOCKET_OPTION_LEVEL_TRANSPORT )
         {
-            LogError( ( "Cellular_SocketSetSockOpt: Option not supported" ) );
-            cellularStatus = CELLULAR_UNSUPPORTED;
+            cellularStatus = _socketSetSockOptLevelTransport( option, socketHandle, pOptionValue, optionValueLength );
         }
-        else /* optionLevel CELLULAR_SOCKET_OPTION_LEVEL_TRANSPORT. */
+        else
         {
-            cellularStatus = _socketSetSockOptLevelTransport( option, socketHandle, pOptionValue, optionValueLength );
+            /* Other socket option levels are not supported in common layer. Modem ports
+             * can use their own implementation for these options. */
+            cellularStatus = CELLULAR_UNSUPPORTED;
         }
     }
 
diff --git a/source/include/cellular_types.h b/source/include/cellular_types.h
index c8e04c09..89dbca7a 100644
--- a/source/include/cellular_types.h
+++ b/source/include/cellular_types.h
@@ -313,8 +313,9 @@ typedef enum CellularIPAddressType
  */
 typedef enum CellularSocketOptionLevel
 {
-    CELLULAR_SOCKET_OPTION_LEVEL_IP,       /**< IP layer options. */
-    CELLULAR_SOCKET_OPTION_LEVEL_TRANSPORT /**< Transport (TCP/UDP) layer options. */
+    CELLULAR_SOCKET_OPTION_LEVEL_IP,        /**< IP layer options. */
+    CELLULAR_SOCKET_OPTION_LEVEL_TRANSPORT, /**< Transport (TCP/UDP) layer options. */
+    CELLULAR_SOCKET_OPTION_LEVEL_SECURE     /**< Secure sockets layer options. */
 } CellularSocketOptionLevel_t;
 
 /**
@@ -327,6 +328,8 @@ typedef enum CellularSocketOption
     CELLULAR_SOCKET_OPTION_SEND_TIMEOUT,       /**< Set send timeout (in milliseconds). */
     CELLULAR_SOCKET_OPTION_RECV_TIMEOUT,       /**< Set receive timeout (in milliseconds). */
     CELLULAR_SOCKET_OPTION_PDN_CONTEXT_ID,     /**< Set PDN Context ID to use for the socket. */
+    CELLULAR_SOCKET_OPTION_SSL_CONTEXT_ID,     /**< Set secure sockets layer context ID to use for the socket. */
+    CELLULAR_SOCKET_OPTION_SSL_USAGE,          /**< Set secure sockets layer usage for the socket. */
     CELLULAR_SOCKET_OPTION_SET_LOCAL_PORT      /**< Set local port. */
 } CellularSocketOption_t;