From 0382b41448a4e29bd268898e1026558f0042fb9a Mon Sep 17 00:00:00 2001
From: file <file@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Mon, 3 Dec 2007 18:44:16 +0000
Subject: Merged revisions 90548 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r90548 | file | 2007-12-03 14:40:56 -0400 (Mon, 03 Dec 2007) | 2 lines

Preserve the indication currently playing on a channel when a masquerade operation happens. (issue #BE-88)

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git-svn-id: http://svn.digium.com/svn/asterisk/trunk@90550 f38db490-d61c-443f-a65b-d21fe96a405b
---
 .cleancount                |  2 +-
 include/asterisk/channel.h |  1 +
 main/channel.c             | 11 +++++++++--
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/.cleancount b/.cleancount
index f5c89552b..bb95160cb 100644
--- a/.cleancount
+++ b/.cleancount
@@ -1 +1 @@
-32
+33
diff --git a/include/asterisk/channel.h b/include/asterisk/channel.h
index aea8f4d8c..8a20d3b91 100644
--- a/include/asterisk/channel.h
+++ b/include/asterisk/channel.h
@@ -505,6 +505,7 @@ struct ast_channel {
 	int epfd;
 	struct ast_epoll_data *epfd_data[AST_MAX_FDS];
 #endif
+	int visible_indication;                         /*!< Indication currently playing on the channel */
 };
 
 /*! \brief ast_channel_tech Properties */
diff --git a/main/channel.c b/main/channel.c
index 219485939..f0ee9e7d4 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -1519,7 +1519,7 @@ int __ast_answer(struct ast_channel *chan, unsigned int delay)
 	default:
 		break;
 	}
-
+	chan->visible_indication = 0;
 	ast_channel_unlock(chan);
 
 	return res;
@@ -2557,6 +2557,7 @@ int ast_indicate_data(struct ast_channel *chan, int condition, const void *data,
 				ast_debug(1, "Driver for channel '%s' does not support indication %d, emulating it\n", chan->name, condition);
 				ast_playtones_start(chan,0,ts->data, 1);
 				res = 0;
+				chan->visible_indication = condition;
 			} else if (condition == AST_CONTROL_PROGRESS) {
 				/* ast_playtones_stop(chan); */
 			} else if (condition == AST_CONTROL_PROCEEDING) {
@@ -2573,7 +2574,9 @@ int ast_indicate_data(struct ast_channel *chan, int condition, const void *data,
 				res = -1;
 			}
 		}
-	}
+	} else
+		chan->visible_indication = condition;
+
 	return res;
 }
 
@@ -3724,6 +3727,10 @@ int ast_do_masquerade(struct ast_channel *original)
 	} else
 		ast_log(LOG_WARNING, "Channel type '%s' does not have a fixup routine (for %s)!  Bad things may happen.\n",
 			original->tech->type, original->name);
+
+	/* If an indication is currently playing maintain it on the channel that is taking the place of original */
+	if (original->visible_indication)
+		ast_indicate(original, original->visible_indication);
 	
 	/* Now, at this point, the "clone" channel is totally F'd up.  We mark it as
 	   a zombie so nothing tries to touch it.  If it's already been marked as a
-- 
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