diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt
index 6ee01fe..3b97b54 100644
--- a/doc/mgmt-api.txt
+++ b/doc/mgmt-api.txt
@@ -3223,6 +3223,96 @@ Set Experimental Feature Command
 				Invalid Index
 
 
+Read Default System Configuration Command
+=========================================
+
+	Command Code:		0x004b
+	Controller Index:	<controller id>
+	Command Parameters:
+	Return Parameters:	Parameter1 {
+					Parameter_Type (2 Octet)
+					Value_Length (1 Octet)
+					Value (0-255 Octets)
+				}
+				Parameter2 { }
+				...
+
+	This command is used to read a list of default controller parameters.
+
+	Currently defined Parameter_Type values are:
+
+		0x0000	BR/EDR Page Scan Type
+		0x0001	BR/EDR Page Scan Interval
+		0x0002	BR/EDR Page Scan Window
+		0x0003	BR/EDR Inquiry Scan Type
+		0x0004	BR/EDR Inquiry Scan Interval
+		0x0005	BR/EDR Inquiry Scan Window
+		0x0006	BR/EDR Link Supervision Timeout
+		0x0007	BR/EDR Page Timeout
+		0x0008	BR/EDR Min Sniff Interval
+		0x0009	BR/EDR Max Sniff Interval
+		0x000a	LE Advertisement Min Interval
+		0x000b	LE Advertisement Max Interval
+		0x000c	LE Multi Advertisement Rotation Interval
+		0x000d	LE Scanning Interval for auto connect
+		0x000e	LE Scanning Window for auto connect
+		0x000f	LE Scanning Interval for wake scenarios
+		0x0010	LE Scanning Window for wake scenarios
+		0x0011	LE Scanning Interval for discovery
+		0x0012	LE Scanning Window for discovery
+		0x0013	LE Scanning Interval for adv monitoring
+		0x0014	LE Scanning Window for adv monitoring
+		0x0015	LE Scanning Interval for connect
+		0x0016	LE Scanning Window for connect
+		0x0017	LE Min Connection Interval
+		0x0018	LE Max Connection Interval
+		0x0019	LE Connection Latency
+		0x001a	LE Connection Supervision Timeout
+
+	This command can be used at any time and will return a list of
+	supported default parameters as well as their current value.
+
+	This command generates a Command Complete event on success or
+	a Command Status event on failure.
+
+	Possible errors:	Invalid Parameters
+				Invalid Index
+
+
+Set Default System Configuration Command
+========================================
+
+	Command Code:		0x004c
+	Controller Index:	<controller id>
+	Command Parameters:	Parameter1 {
+					Parameter_Type (2 Octet)
+					Value_Length (1 Octet)
+					Value (0-255 Octets)
+				}
+				Parameter2 { }
+				...
+	Return Parameters:
+
+	This command is used to set a list of default controller parameters.
+
+	See Read Default System Configuration command for list of supported
+	Parameter_Type values.
+
+	This command can be used when the controller is not powered and
+	all supported parameters will be programmed once powered.
+
+	When providing unsupported values or invalid values, no parameter
+	value will be changed and all values discarded.
+
+	This command generates a Command Complete event on success or
+	a Command Status event on failure.
+
+	Possible errors:	Rejected
+				Not Supported
+				Invalid Parameters
+				Invalid Index
+
+
 Command Complete Event
 ======================