---
 drivers/ifxmodem/voicecall.c |  170 ++++++++++++++++++++++++-----------------
 1 files changed, 99 insertions(+), 71 deletions(-)

diff --git a/drivers/ifxmodem/voicecall.c b/drivers/ifxmodem/voicecall.c
index 648f46b..c94698b 100644
--- a/drivers/ifxmodem/voicecall.c
+++ b/drivers/ifxmodem/voicecall.c
@@ -117,7 +117,8 @@ static void xcallstat_notify(GAtResult *result, gpointer 
user_data)
        int id;
        int status;
        GSList *l;
-       struct ofono_call *call;
+       struct ofono_call *new_call;
+       struct ofono_call *existing_call = NULL;
 
        g_at_result_iter_init(&iter, result);
 
@@ -133,53 +134,83 @@ static void xcallstat_notify(GAtResult *result, gpointer 
user_data)
        l = g_slist_find_custom(vd->calls, GINT_TO_POINTER(id),
                                at_util_call_compare_by_id);
 
-       if (l == NULL) {
-               /*
-                * We should only receive XCALLSTAT on waiting and incoming
-                * In the case of waiting, we will get the rest of the info
-                * from CCWA indication.
-                * In the case of incoming, we will get the info from CLIP
-                * indications.
-                */
-               if (status != CALL_STATUS_INCOMING &&
-                                   status != CALL_STATUS_WAITING) {
-                       ofono_info("Received an XCALLSTAT for an untracked"
-                                       " call, this indicates a bug!");
-                       return;
-               }
-
+       if (l == NULL && status != CALL_STATUS_DIALING &&
+                               status != CALL_STATUS_INCOMING &&
+                               status != CALL_STATUS_WAITING) {
+               ofono_error("Received an XCALLSTAT for an untracked"
+                               " call, this indicates a bug!");
                return;
        }
 
-       call = l->data;
+       if (l)
+               existing_call = l->data;
 
-       /* Check if call has been disconnected */
-       if (status == CALL_STATUS_DISCONNECTED) {
-               enum ofono_disconnect_reason r;
+       switch (status) {
+       case CALL_STATUS_DISCONNECTED:
+       {
+               enum ofono_disconnect_reason reason;
 
-               if (vd->local_release & (1 << call->id))
-                       r = OFONO_DISCONNECT_REASON_LOCAL_HANGUP;
-               else
-                       r = OFONO_DISCONNECT_REASON_REMOTE_HANGUP;
+               existing_call->status = status;
 
-               if (call->type == 0)
-                       ofono_voicecall_disconnected(vc, call->id, r, NULL);
+               if (vd->local_release & (1 << existing_call->id))
+                       reason = OFONO_DISCONNECT_REASON_LOCAL_HANGUP;
+               else
+                       reason = OFONO_DISCONNECT_REASON_REMOTE_HANGUP;
 
-               vd->local_release &= ~(1 << call->id);
-               vd->calls = g_slist_remove(vd->calls, call);
-               g_free(call);
+               ofono_voicecall_disconnected(vc, existing_call->id,
+                                               reason, NULL);
 
-               return;
+               vd->local_release &= ~(1 << existing_call->id);
+               vd->calls = g_slist_remove(vd->calls, l->data);
+               g_free(existing_call);
+               break;
        }
+       case CALL_STATUS_DIALING:
+       case CALL_STATUS_WAITING:
+       case CALL_STATUS_INCOMING:
+       {
+               int direction;
+
+               /* Handle the following situation:
+                * Active Call + Waiting Call. Active Call is Released.
+                * The Waiting call becomes Incoming. In this case, no
+                * need to create a new call. Call status change will be
+                * triggered from clip_notify.
+                */
+               if (existing_call) {
+                       existing_call->status = status;
+                       return;
+               }
 
-       /* For connected status, simply reset back to active */
-       if (status == 7)
-               status = 0;
+               if (status == CALL_STATUS_DIALING)
+                       direction = CALL_DIRECTION_MOBILE_ORIGINATED;
+               else
+                       direction = CALL_DIRECTION_MOBILE_TERMINATED;
+
+               new_call = create_call(vc, 0, direction, status,
+                                       NULL, 128,
+                                       CLIP_VALIDITY_NOT_AVAILABLE);
+               if (new_call == NULL) {
+                       ofono_error("Unable to malloc. "
+                                       "Call management is fubar");
+                       return;
+               }
 
-       call->status = status;
+               new_call->id = id;
+               break;
+       }
+       case CALL_STATUS_ALERTING:
+       case CALL_STATUS_ACTIVE:
+       case CALL_STATUS_HELD:
+       default:
+               /* For connected status, simply reset back to active */
+               if (status == 7)
+                       status = CALL_STATUS_ACTIVE;
 
-       if (call->type == 0)
-               ofono_voicecall_notify(vc, call);
+               existing_call->status = status;
+               ofono_voicecall_notify(vc, existing_call);
+               break;
+       }
 }
 
 static void xem_notify(GAtResult *result, gpointer user_data)
@@ -250,25 +281,11 @@ static void release_id_cb(gboolean ok, GAtResult *result,
 static void atd_cb(gboolean ok, GAtResult *result, gpointer user_data)
 {
        struct cb_data *cbd = user_data;
-       struct ofono_voicecall *vc = cbd->user;
        ofono_voicecall_cb_t cb = cbd->cb;
        struct ofono_error error;
-       struct ofono_call *call;
 
        decode_at_error(&error, g_at_result_final_response(result));
 
-       if (!ok) {
-               cb(&error, cbd->data);
-               return;
-       }
-
-       /* Generate a voice call that was just dialed, we guess the ID */
-       call = create_call(vc, 0, 0, CALL_STATUS_DIALING, NULL, 128, 2);
-       if (call == NULL) {
-               ofono_error("Unable to malloc, call tracking will fail!");
-               return;
-       }
-
        /* Let oFono core will generate a call with the dialed number
         * inside its dial callback.
         */
@@ -512,25 +529,28 @@ static void cring_notify(GAtResult *result, gpointer 
user_data)
        struct voicecall_data *vd = ofono_voicecall_get_data(vc);
        GAtResultIter iter;
        const char *line;
-       int type;
+       GSList *l;
+       struct ofono_call *call;
 
        /* Handle the following situation:
         * Active Call + Waiting Call.  Active Call is Released.  The Waiting
-        * call becomes Incoming and RING/CRING indications are signaled.
-        * Sometimes these arrive before we managed to poll CLCC to find about
-        * the stage change.  If this happens, simply ignore the RING/CRING
-        * when a waiting call exists (cannot have waiting + incoming in GSM)
+        * call becomes Incoming and CRING indications are signaled.
+        * Sometimes these arrive before the actual state change notification.
+        * If this happens, simply ignore the CRING when a waiting call
+        * exists (cannot have waiting + incoming in GSM)
         */
        if (g_slist_find_custom(vd->calls,
                                GINT_TO_POINTER(CALL_STATUS_WAITING),
                                at_util_call_compare_by_status))
                return;
 
-       /* CRING can repeat, ignore if we already have an incoming call */
-       if (g_slist_find_custom(vd->calls,
+       l = g_slist_find_custom(vd->calls,
                                GINT_TO_POINTER(CALL_STATUS_INCOMING),
-                               at_util_call_compare_by_status))
+                               at_util_call_compare_by_status);
+       if (l == NULL) {
+               ofono_error("CRING received before XCALLSTAT!!!");
                return;
+       }
 
        g_at_result_iter_init(&iter, result);
 
@@ -541,14 +561,13 @@ static void cring_notify(GAtResult *result, gpointer 
user_data)
        if (line == NULL)
                return;
 
+       call = l->data;
+
        /* Ignore everything that is not voice for now */
        if (!strcasecmp(line, "VOICE"))
-               type = 0;
+               call->type = 0;
        else
-               type = 9;
-
-       /* Generate an incoming call */
-       create_call(vc, type, 1, CALL_STATUS_INCOMING, NULL, 128, 2);
+               call->type = 9;
 
        /* Assume the CLIP always arrives, and we signal the call there */
        DBG("cring_notify");
@@ -617,13 +636,16 @@ static void ccwa_notify(GAtResult *result, gpointer 
user_data)
        GAtResultIter iter;
        const char *num;
        int num_type, validity, cls;
+       GSList *l;
        struct ofono_call *call;
 
-       /* Some modems resend CCWA, ignore it the second time around */
-       if (g_slist_find_custom(vd->calls,
+       l = g_slist_find_custom(vd->calls,
                                GINT_TO_POINTER(CALL_STATUS_WAITING),
-                               at_util_call_compare_by_status))
+                               at_util_call_compare_by_status);
+       if (l == NULL) {
+               ofono_error("CCWA received before XCALLSTAT!!!");
                return;
+       }
 
        g_at_result_iter_init(&iter, result);
 
@@ -652,13 +674,19 @@ static void ccwa_notify(GAtResult *result, gpointer 
user_data)
 
        DBG("ccwa_notify: %s %d %d %d", num, num_type, cls, validity);
 
-       call = create_call(vc, class_to_call_type(cls), 1, CALL_STATUS_WAITING,
-                               num, num_type, validity);
-       if (call == NULL) {
-               ofono_error("Unable to malloc. Call management is fubar");
-               return;
+       call = l->data;
+
+       call->type = class_to_call_type(cls);
+
+       if (validity != 2) {
+               strncpy(call->phone_number.number, num,
+                       OFONO_MAX_PHONE_NUMBER_LENGTH);
+               call->phone_number.number[OFONO_MAX_PHONE_NUMBER_LENGTH] = '\0';
+               call->phone_number.type = num_type;
        }
 
+       call->clip_validity = validity;
+
        if (call->type == 0) /* Only notify voice calls */
                ofono_voicecall_notify(vc, call);
 }
-- 
1.7.0.4

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