diff --git a/new/org.freedesktop.ModemManager.Modem.Gsm.SMS.xml b/new/org.freedesktop.ModemManager.Modem.Gsm.SMS.xml
new file mode 100644
index 00000000..9645462a
--- /dev/null
+++ b/new/org.freedesktop.ModemManager.Modem.Gsm.SMS.xml
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<node name="/" xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
+  <interface name="org.freedesktop.ModemManager1.Modem.SMS">
+
+    <!-- METHODS -->
+
+    <method name="Delete">
+      <tp:docstring>
+	Delete an SMS message.
+      </tp:docstring>
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_gsm_modem_sms_delete"/>
+      <arg name="index" type="u" direction="in">
+	<tp:docstring>
+	  The index of the SMS.
+	</tp:docstring>
+      </arg>
+    </method>
+
+    <method name="Get">
+      <tp:docstring>
+	Retrieve an SMS from the SIM card.
+      </tp:docstring>
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_gsm_modem_sms_get"/>
+      <arg name="index" type="u" direction="in">
+	<tp:docstring>
+	  The index of the SMS.
+	</tp:docstring>
+      </arg>
+      <arg name="sms" type="a{sv}" direction="out">
+        <tp:docstring>
+          A dictionary containing SMS properties of the SMS specified by the given index.  This dictionary may contain the following key/value pairs:
+
+          number   : string - Phone number (mandatory)
+          text     : string - SMS text (mandatory)
+          smsc     : string - SMS service center number (optional)
+          validity : uint (0..255) - Specifies when the SMS expires in SMSC (optional)
+          class    : uint (0..3) - Message importance and location (optional)
+          completed: boolean - Whether all message parts have been received or not (optional)
+          index    : uint - Index of message (for Get and Delete) (optional)
+        </tp:docstring>
+      </arg>
+    </method>
+
+    <method name="List">
+      <tp:docstring>
+        Retrieve all SMS messages.
+      </tp:docstring>
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_gsm_modem_sms_list"/>
+      <arg name="result" type="aa{sv}" direction="out">
+        <tp:docstring>
+          An array of dictionaries, each dictionary representing an SMS message.
+          Each dictionary contains key/value pairs as described by the Get
+          method.
+        </tp:docstring>
+      </arg>
+    </method>
+
+    <method name="Send">
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_gsm_modem_sms_send"/>
+      <arg name="properties" type="a{sv}" direction="in">
+	<tp:docstring>
+	  SMS properties to save with the following key values:
+
+	  number   : string - Phone number (mandatory)
+	  text     : string - SMS text (mandatory)
+	  smsc     : string - SMS service center number (optional)
+	  validity : uint (0..255) - Specifies when the SMS expires in SMSC (optional)
+	  class    : uint (0..3) - Message importance and location (optional)
+	</tp:docstring>
+      </arg>
+      <arg name="result" type="au" direction="out"/>
+    </method>
+
+    <!-- SIGNALS -->
+
+    <signal name="SmsReceived">
+      <tp:docstring>
+        Emitted when any part of a new SMS has been received (but not for
+        subsequent parts, if any).  Not all parts may have been received and the
+        message may not be complete; if it is, the 'complete' argument will be
+        TRUE.
+      </tp:docstring>
+      <arg name="index" type="u">
+        <tp:docstring>
+          Index of the new SMS.
+        </tp:docstring>
+      </arg>
+      <arg name="complete" type="b">
+        <tp:docstring>
+          TRUE if all message parts have been received, otherwise FALSE.
+        </tp:docstring>
+      </arg>
+    </signal>
+
+    <signal name="Completed">
+      <tp:docstring>
+        Emitted when the complete-ness status of an SMS message changes. An SMS
+        may not necessarily be complete when the first part is received; this
+        signal will be emitted when all parts have been received, even for
+        single-part messages.
+      </tp:docstring>
+      <arg name="index" type="u">
+        <tp:docstring>
+          The index of the SMS.
+        </tp:docstring>
+      </arg>
+      <arg name="completed" type="b">
+        <tp:docstring>
+          TRUE if all message parts have been received, otherwise FALSE.
+        </tp:docstring>
+      </arg>
+    </signal>
+
+  </interface>
+</node>