From 416b05e9daf0a81a6d22b4458b2a9ff2f55d5886 Mon Sep 17 00:00:00 2001
From: Jeff Peeler <jpeeler@digium.com>
Date: Mon, 9 Aug 2010 20:46:50 +0000
Subject: [PATCH] Merged revisions 281429 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.8

................
  r281429 | jpeeler | 2010-08-09 15:43:54 -0500 (Mon, 09 Aug 2010) | 27 lines

  Merged revisions 281391 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2

  ................
    r281391 | jpeeler | 2010-08-09 15:07:29 -0500 (Mon, 09 Aug 2010) | 20 lines

    Merged revisions 281390 via svnmerge from
    https://origsvn.digium.com/svn/asterisk/branches/1.4

    ........
      r281390 | jpeeler | 2010-08-09 15:04:30 -0500 (Mon, 09 Aug 2010) | 13 lines

      Prevent loss of Caller ID information set on local channel after masquerade.

      Caller ID set on the channel before a masquerade occurs when using a local
      channel would cause the information to be lost. The problem was that the
      information was set on a channel destined to be hung up. The somewhat confusing
      fix is to detect if any Caller ID has been set on the channel and if so
      preswap the Caller ID data so that basically the masquerade puts the data back.

      (closes issue #17138)
      Reported by: kobaz

      Review: https://reviewboard.asterisk.org/r/847/
    ........
  ................
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@281431 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_local.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/channels/chan_local.c b/channels/chan_local.c
index d1f66f8dd9..720423c25e 100644
--- a/channels/chan_local.c
+++ b/channels/chan_local.c
@@ -409,6 +409,23 @@ static void check_bridge(struct local_pvt *p)
 							p->chan->audiohooks = p->owner->audiohooks;
 							p->owner->audiohooks = audiohooks_swapper;
 						}
+
+						/* If any Caller ID was set, preserve it after masquerade like above. We must check
+						 * to see if Caller ID was set because otherwise we'll mistakingly copy info not
+						 * set from the dialplan and will overwrite the real channel Caller ID. The reason
+						 * for this whole preswapping action is because the Caller ID is set on the channel
+						 * thread (which is the to be masqueraded away local channel) before both local
+						 * channels are optimized away.
+						 */
+						if (p->owner->caller.id.name.valid || p->owner->caller.id.number.valid ||
+							p->owner->caller.id.subaddress.valid) {
+
+							struct ast_party_caller tmp;
+							tmp = p->owner->caller;
+							p->owner->caller = p->chan->_bridge->caller;
+							p->chan->_bridge->caller = tmp;
+						}
+
 						ast_app_group_update(p->chan, p->owner);
 						ast_channel_masquerade(p->owner, p->chan->_bridge);
 						ast_set_flag(p, LOCAL_ALREADY_MASQED);
-- 
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