# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
# | Server Method | Subscription Remediation Server URL
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+#
+# Server Method
+#
+# 0 = OMA DM
+# 1 = Soap XML SPP
+# 2..255 reserved
+#
ATTRIBUTE HS20-Subscription-Remediation-Needed 1 octets
ATTRIBUTE HS20-AP-Version 2 byte
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
# | Version | PPS MO UpdateIdentifier |
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+#
+# Version
+#
+# 0 = release 1
+# 1 = release 2
+#
ATTRIBUTE HS20-Mobile-Device-Version 3 octets
# 0 1 2 3
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
# | Code | Re-auth Delay | URL
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+#
+# Code
+#
+# 0 = User's subscription does not allow or no longer allows access at this BSS
+# 1 = User's subscription does not allow or no longer allows access at this ESS
+#
+#
+# Re-Auth delay = delay in seconds that a mobile device waits before attempting
+# reassociation.
+# 0 == delay is decided by the mobile device.
+#
+# URL = UTF-8 encoded URL.
+# Which provides a webpage explaining why the mobile device was
+# not authorized (or is no longer authorized)
+#
ATTRIBUTE HS20-Deauthentication-Request 4 octets
# 0 1 2 3
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
# | SWT | Session Information URL
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+#
+# SWT = Session Warning Time is the number of minutes of advance
+# notice an AP shall provide to the mobile device before terminating
+# its session. When SWT is set to the special value of 255, the AP
+# (802.1X authenticator) chooses the session warning time value.
+#
+# Session Information URL field: URL which is transmitted to a mobile
+# device in a BSS Transition Management Request frame SWT minutes
+# before the mobile device’s session is terminated. The URL provides
+# the location of a webpage with information for the user on how to
+# extend the session.
+#
ATTRIBUTE HS20-Session-Information-URL 5 octets
END-VENDOR WiFi-Alliance