polkit: added Voice policy rule

data/org.freedesktop.ModemManager1.conf.polkit

@@ -193,6 +193,41 @@
            send_interface="org.freedesktop.ModemManager1.Sms"
            send_member="Send"/>
 
+    <!-- org.freedesktop.ModemManager1.Modem.Voice.xml -->
+
+    <!-- Allowed for everyone -->
+    <allow send_destination="org.freedesktop.ModemManager1"
+           send_interface="org.freedesktop.ModemManager1.Modem.Voice"
+           send_member="ListCalls"/>
+
+    <!-- Protected by the Voice policy rule -->
+    <allow send_destination="org.freedesktop.ModemManager1"
+           send_interface="org.freedesktop.ModemManager1.Modem.Voice"
+           send_member="CreateCall"/>
+
+    <allow send_destination="org.freedesktop.ModemManager1"
+           send_interface="org.freedesktop.ModemManager1.Modem.Voice"
+           send_member="DeleteCall"/>
+
+    <!-- org.freedesktop.ModemManager1.Call.xml -->
+
+    <!-- Protected by the Voice policy rule -->
+    <allow send_destination="org.freedesktop.ModemManager1"
+           send_interface="org.freedesktop.ModemManager1.Call"
+           send_member="Start"/>
+
+    <allow send_destination="org.freedesktop.ModemManager1"
+           send_interface="org.freedesktop.ModemManager1.Call"
+           send_member="Accept"/>
+
+    <allow send_destination="org.freedesktop.ModemManager1"
+           send_interface="org.freedesktop.ModemManager1.Call"
+           send_member="Hangup"/>
+
+    <allow send_destination="org.freedesktop.ModemManager1"
+           send_interface="org.freedesktop.ModemManager1.Call"
+           send_member="SendTone"/>
+
     <!-- org.freedesktop.ModemManager1.Modem.Signal.xml -->
 
     <!-- Allowed for everyone -->

data/org.freedesktop.ModemManager1.policy.in.in

@@ -45,6 +45,15 @@
     </defaults>
   </action>
 
+  <action id="org.freedesktop.ModemManager1.Voice">
+    <_description>Accept incoming voice calls or start outgoing voice calls.</_description>
+    <_message>System policy prevents voice calls.</_message>
+    <defaults>
+      <allow_inactive>no</allow_inactive>
+      <allow_active>@MM_DEFAULT_USER_POLICY@</allow_active>
+    </defaults>
+  </action>
+
   <action id="org.freedesktop.ModemManager1.Location">
     <_description>Enable and view geographic location and positioning information</_description>
     <_message>System policy prevents enabling or viewing geographic location information.</_message>