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Merged revisions 164201 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.4

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r164201 | russell | 2008-12-15 08:31:37 -0600 (Mon, 15 Dec 2008) | 31 lines

Handle a case where a call can be bridged to a channel that is still ringing.

The issue that was reported was about a case where a RINGING channel got 
redirected to an extension to pick up a call from parking.  Once the parked 
call got taken out of parking, it heard silence until the other side answered.  
Ideally, the caller that was parked would get a ringing indication.  This patch
fixes this case so that the caller receives ringback once it comes out of 
parking until the other side answers.

The fixes are:

 - Make sure we remember that a channel was an outgoing channel when doing 
   a masquerade.  This prevents an erroneous ast_answer() call on the channel,
   which causes a bogus 200 OK to be sent in the case of SIP.

 - Add some additional comments to explain related parts of code.

 - Update the handling of the ast_channel visible_indication field.  Storing 
   values that are not stateful is pointless.  Control frames that are events 
   or commands should be ignored.

 - When a bridge first starts, check to see if the peer channel needs to be 
   given ringing indication because the calling side is still ringing.

 - Rework ast_indicate_data() a bit for the sake of readability.

(closes issue #13747)
Reported by: davidw
Tested by: russell
Review: http://reviewboard.digium.com/r/90/

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@164203 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2008-12-15 14:40:24 +00:00
parent bca058070e
commit c9eb01c899
2 changed files with 129 additions and 51 deletions
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10
main/features.c
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@@ -2220,8 +2220,16 @@ int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast
if (chan && peer) {
pbx_builtin_setvar_helper(chan, "BRIDGEPEER", peer->name);
pbx_builtin_setvar_helper(peer, "BRIDGEPEER", chan->name);
} else if (chan)
} else if (chan) {
pbx_builtin_setvar_helper(chan, "BLINDTRANSFER", NULL);
}
/* This is an interesting case. One example is if a ringing channel gets redirected to
* an extension that picks up a parked call. This will make sure that the call taken
* out of parking gets told that the channel it just got bridged to is still ringing. */
if (chan->_state == AST_STATE_RINGING && peer->visible_indication != AST_CONTROL_RINGING) {
ast_indicate(peer, AST_CONTROL_RINGING);
}
if (monitor_ok) {
const char *monitor_exec;