Fix underscreen buttons warnings apeared while transfer process

........

Merged revisions 375016 from http://svn.asterisk.org/svn/asterisk/branches/11

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@375017 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_unistim.c b/channels/chan_unistim.c
index a277cd3..21805a2 100644 (file)
--- a/channels/chan_unistim.c
+++ b/channels/chan_unistim.c
@@ -3297,7 +3297,7 @@ static void handle_key_fav(struct unistimsession *pte, char keycode)
 
 static void key_call(struct unistimsession *pte, char keycode)
 {
-       struct unistim_subchannel *sub = NULL;
+       struct unistim_subchannel *sub = get_sub(pte->device, SUB_REAL);
        if ((keycode >= KEY_0) && (keycode <= KEY_SHARP)) {
                if (keycode == KEY_SHARP) {
                        keycode = '#';
@@ -3311,15 +3311,19 @@ static void key_call(struct unistimsession *pte, char keycode)
        }
        switch (keycode) {
        case KEY_FUNC1:
-               if (get_sub(pte->device, SUB_THREEWAY)) {
-                       close_call(pte);
+               if (ast_channel_state(sub->owner) == AST_STATE_UP) {
+                       if (get_sub(pte->device, SUB_THREEWAY)) {
+                               close_call(pte);
+                       }
                }
                break;
        case KEY_FUNC2:
-               if (get_sub(pte->device, SUB_THREEWAY)) {
-                       transfer_cancel_step2(pte);
-               } else {
-                       transfer_call_step1(pte);
+               if (ast_channel_state(sub->owner) == AST_STATE_UP) {
+                       if (get_sub(pte->device, SUB_THREEWAY)) {
+                               transfer_cancel_step2(pte);
+                       } else {
+                               transfer_call_step1(pte);
+                       }
                }
                break;
        case KEY_HANGUP:
@@ -3351,7 +3355,6 @@ static void key_call(struct unistimsession *pte, char keycode)
                                                         MUTE_OFF);
                break;
        case KEY_MUTE:
-               sub = get_sub(pte->device, SUB_REAL);
                if (!sub || !sub->owner) {
                        ast_log(LOG_WARNING, "Unable to find subchannel for music on hold\n");
                        return;
@@ -3366,7 +3369,6 @@ static void key_call(struct unistimsession *pte, char keycode)
                }
                break;
        case KEY_ONHOLD:
-               sub = get_sub(pte->device, SUB_REAL);
                if (!sub) {
                        if(pte->device->ssub[pte->device->selected]) {
                                sub_hold(pte, pte->device->ssub[pte->device->selected]);