diff --git a/include/ModemManager-enums.h b/include/ModemManager-enums.h
index 57a2b277..d19b2a75 100644
--- a/include/ModemManager-enums.h
+++ b/include/ModemManager-enums.h
@@ -1168,4 +1168,60 @@ typedef enum { /*< underscore_name=mm_oma_session_state_failed_reason >*/
MM_OMA_SESSION_STATE_FAILED_REASON_SESSION_CANCELLED = 5
} MMOmaSessionStateFailedReason;
+/**
+ * MMCallState:
+ * @MM_CALL_STATE_UNKNOWN: default state for a new outgoing call.
+ * @MM_CALL_STATE_DIALING: outgoing call started. Wait for free channel.
+ * @MM_CALL_STATE_RINGING_IN: outgoing call attached to GSM network, waiting for an answer.
+ * @MM_CALL_STATE_RINGING_OUT: incoming call is waiting for an answer.
+ * @MM_CALL_STATE_ACTIVE: call is active between two peers.
+ * @MM_CALL_STATE_HELD: held call (by +CHLD AT command).
+ * @MM_CALL_STATE_WAITING: waiting call (by +CCWA AT command).
+ * @MM_CALL_STATE_TERMINATED: call is terminated.
+ *
+ * State of Call
+ */
+typedef enum { /*< underscore_name=mm_call_state >*/
+ MM_CALL_STATE_UNKNOWN = 0,
+ MM_CALL_STATE_DIALING = 1,
+ MM_CALL_STATE_RINGING_OUT = 2,
+ MM_CALL_STATE_RINGING_IN = 3,
+ MM_CALL_STATE_ACTIVE = 4,
+ MM_CALL_STATE_HELD = 5,
+ MM_CALL_STATE_WAITING = 6,
+ MM_CALL_STATE_TERMINATED = 7
+} MMCallState;
+
+/**
+ * MMCallStateReason:
+ * @MM_CALL_STATE_REASON_UNKNOWN: Default value for a new outgoing call.
+ * @MM_CALL_STATE_REASON_OUTGOING_STARTED: Outgoing call is started.
+ * @MM_CALL_STATE_REASON_INCOMING_NEW: Received a new incoming call.
+ * @MM_CALL_STATE_REASON_ACCEPTED: Dialing or Ringing call is accepted.
+ * @MM_CALL_STATE_REASON_TERMINATED: Call is correctly terminated.
+ * @MM_CALL_STATE_REASON_REFUSED_OR_BUSY: Remote peer is busy or refused call
+ * @MM_CALL_STATE_REASON_ERROR: Wrong number or generic network error.
+ */
+typedef enum { /*< underscore_name=mm_call_state_reason >*/
+ MM_CALL_STATE_REASON_UNKNOWN = 0,
+ MM_CALL_STATE_REASON_OUTGOING_STARTED = 1,
+ MM_CALL_STATE_REASON_INCOMING_NEW = 2,
+ MM_CALL_STATE_REASON_ACCEPTED = 3,
+ MM_CALL_STATE_REASON_TERMINATED = 4,
+ MM_CALL_STATE_REASON_REFUSED_OR_BUSY = 5,
+ MM_CALL_STATE_REASON_ERROR = 6
+} MMCallStateReason;
+
+/**
+ * MMCallDirection:
+ * @MM_CALL_DIRECTION_UNKNOWN: unknown.
+ * @MM_CALL_DIRECTION_INCOMING: call from network.
+ * @MM_CALL_DIRECTION_OUTGOING: call to network.
+ */
+typedef enum { /*< underscore_name=mm_call_direction >*/
+ MM_CALL_DIRECTION_UNKNOWN = 0,
+ MM_CALL_DIRECTION_INCOMING = 1,
+ MM_CALL_DIRECTION_OUTGOING = 2
+} MMCallDirection;
+
#endif /* _MODEMMANAGER_ENUMS_H_ */
diff --git a/introspection/all.xml b/introspection/all.xml
index 4d277e36..57c28d05 100644
--- a/introspection/all.xml
+++ b/introspection/all.xml
@@ -6,7 +6,9 @@
+
+
diff --git a/introspection/org.freedesktop.ModemManager1.Call.xml b/introspection/org.freedesktop.ModemManager1.Call.xml
new file mode 100644
index 00000000..41112d50
--- /dev/null
+++ b/introspection/org.freedesktop.ModemManager1.Call.xml
@@ -0,0 +1,88 @@
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diff --git a/introspection/org.freedesktop.ModemManager1.Modem.Voice.xml b/introspection/org.freedesktop.ModemManager1.Modem.Voice.xml
new file mode 100644
index 00000000..82b3b09e
--- /dev/null
+++ b/introspection/org.freedesktop.ModemManager1.Modem.Voice.xml
@@ -0,0 +1,88 @@
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