FS-4470 try this, the tmp_hanguphook will flag the b leg with CF_REDIRECT in the...

diff --git a/src/mod/applications/mod_dptools/mod_dptools.c b/src/mod/applications/mod_dptools/mod_dptools.c
index 7abd30a6bb349764944eefd525eeda054e11eb01..4b46e7eec35c3952d52c41f14d2a708519859812 100755 (executable)
--- a/src/mod/applications/mod_dptools/mod_dptools.c
+++ b/src/mod/applications/mod_dptools/mod_dptools.c
@@ -2126,6 +2126,32 @@ static switch_status_t xfer_on_dtmf(switch_core_session_t *session, void *input,
        return SWITCH_STATUS_SUCCESS;
 }
 
+static switch_status_t tmp_hanguphook(switch_core_session_t *session)
+{
+       switch_channel_t *channel = switch_core_session_get_channel(session);
+       switch_channel_state_t state = switch_channel_get_state(channel);
+
+       if (state == CS_HANGUP || state == CS_ROUTING) {
+               const char *bond = switch_channel_get_variable(channel, SWITCH_SOFT_HOLDING_UUID_VARIABLE);
+
+               if (!zstr(bond)) {
+                       switch_core_session_t *b_session;
+                       
+                       if ((b_session = switch_core_session_locate(bond))) {
+                               switch_channel_t *b_channel = switch_core_session_get_channel(b_session);
+                               if (switch_channel_up(b_channel)) {
+                                       switch_channel_set_flag(b_channel, CF_REDIRECT);
+                               }
+                               switch_core_session_rwunlock(b_session);
+                       }
+               }
+
+               switch_core_event_hook_remove_state_change(session, tmp_hanguphook);
+       }
+
+       return SWITCH_STATUS_SUCCESS;
+}
+
 static switch_status_t hanguphook(switch_core_session_t *session)
 {
        switch_channel_t *channel = switch_core_session_get_channel(session);
@@ -2160,14 +2186,13 @@ SWITCH_STANDARD_APP(att_xfer_function)
        switch_channel_t *channel, *peer_channel = NULL;
        const char *bond = NULL;
        switch_core_session_t *b_session = NULL;
-
+       
        channel = switch_core_session_get_channel(session);
 
-       if ((bond = switch_channel_get_partner_uuid(channel))) {
-               bond = switch_core_session_strdup(session, bond);
-       }
-
+       bond = switch_channel_get_partner_uuid(channel);
        switch_channel_set_variable(channel, SWITCH_SOFT_HOLDING_UUID_VARIABLE, bond);
+       switch_core_event_hook_add_state_change(session, tmp_hanguphook);
+
 
        if (switch_ivr_originate(session, &peer_session, &cause, data, 0, NULL, NULL, NULL, NULL, NULL, SOF_NONE, NULL)
                != SWITCH_STATUS_SUCCESS || !peer_session) {
@@ -2226,6 +2251,9 @@ SWITCH_STANDARD_APP(att_xfer_function)
        switch_core_session_rwunlock(peer_session);
 
   end:
+
+       switch_core_event_hook_remove_state_change(session, tmp_hanguphook);
+
        switch_channel_set_variable(channel, SWITCH_SOFT_HOLDING_UUID_VARIABLE, NULL);
        switch_channel_clear_flag(channel, CF_XFER_ZOMBIE);
 }