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Merged revisions 303771 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r303771 | rmudgett | 2011-01-25 11:49:20 -0600 (Tue, 25 Jan 2011) | 54 lines
  
  Merged revisions 303769 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r303769 | rmudgett | 2011-01-25 11:42:42 -0600 (Tue, 25 Jan 2011) | 47 lines
    
    Merged revisions 303765 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r303765 | rmudgett | 2011-01-25 11:36:50 -0600 (Tue, 25 Jan 2011) | 40 lines
      
      Sending out unnecessary PROCEEDING messages breaks overlap dialing.
      
      Issue #16789 was a good idea.  Unfortunately, it breaks overlap dialing
      through Asterisk.  There is not enough information available at this point
      to know if dialing is complete.  The ast_exists_extension(),
      ast_matchmore_extension(), and ast_canmatch_extension() calls are not
      adequate to detect a dial through extension pattern of "_9!".
      
      Workaround is to use the dialplan Proceeding() application early in
      non-dial through extensions.
      
      * Effectively revert issue #16789.
      
      * Allow outgoing overlap dialing to hear dialtone and other early media.
      A PROGRESS "inband-information is now available" message is now sent after
      the SETUP_ACKNOWLEDGE message for non-digital calls.  An
      AST_CONTROL_PROGRESS is now generated for incoming SETUP_ACKNOWLEDGE
      messages for non-digital calls.
      
      * Handling of the AST_CONTROL_CONGESTION in chan_dahdi/sig_pri was
      inconsistent with the cause codes.
      
      * Added better protection from sending out of sequence messages by
      combining several flags into a single enum value representing call
      progress level.
      
      * Added diagnostic messages for deferred overlap digits handling corner
      cases.
      
      (closes issue #17085)
      Reported by: shawkris
      
      (closes issue #18509)
      Reported by: wimpy
      Patches:
            issue18509_early_media_v1.8_v3.patch uploaded by rmudgett (license 664)
            Expanded upon issue18509_early_media_v1.8_v3.patch to include analog
            and SS7 because of backporting requirements.
      Tested by: wimpy, rmudgett
    ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@303772 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2011-01-25 17:58:00 +00:00
parent d3c7a68982
commit 7889af7cab
5 changed files with 234 additions and 88 deletions
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23
channels/sig_pri.h
View File

@@ -144,6 +144,22 @@ enum sig_pri_moh_event {
SIG_PRI_MOH_EVENT_NUM
};
/*! Call establishment life cycle level for simple comparisons. */
enum sig_pri_call_level {
/*! Call does not exist. */
SIG_PRI_CALL_LEVEL_IDLE,
/*! Call is present but has no response yet. (SETUP) */
SIG_PRI_CALL_LEVEL_SETUP,
/*! Call is collecting digits for overlap dialing. (SETUP ACKNOWLEDGE) */
SIG_PRI_CALL_LEVEL_OVERLAP,
/*! Call routing is happening. (PROCEEDING) */
SIG_PRI_CALL_LEVEL_PROCEEDING,
/*! Called party is being alerted of the call. (ALERTING) */
SIG_PRI_CALL_LEVEL_ALERTING,
/*! Call is connected/answered. (CONNECT) */
SIG_PRI_CALL_LEVEL_CONNECT,
};
struct sig_pri_span;
struct sig_pri_callback {
@@ -274,13 +290,10 @@ struct sig_pri_chan {
unsigned int holding_aoce:1; /*!< received AOC-E msg from asterisk. holding for disconnect/release */
#endif /* defined(HAVE_PRI_AOC_EVENTS) */
unsigned int inalarm:1;
unsigned int alerting:1; /*!< TRUE if channel is alerting/ringing */
unsigned int alreadyhungup:1; /*!< TRUE if the call has already gone/hungup */
unsigned int isidlecall:1; /*!< TRUE if this is an idle call */
unsigned int proceeding:1; /*!< TRUE if call is in a proceeding state */
unsigned int progress:1; /*!< TRUE if the call has seen progress through the network */
unsigned int progress:1; /*!< TRUE if the call has seen inband-information progress through the network */
unsigned int resetting:1; /*!< TRUE if this channel is being reset/restarted */
unsigned int setup_ack:1; /*!< TRUE if this channel has received a SETUP_ACKNOWLEDGE */
unsigned int outgoing:1;
unsigned int digital:1;
@@ -296,6 +309,8 @@ struct sig_pri_chan {
struct sig_pri_span *pri;
q931_call *call; /*!< opaque libpri call control structure */
/*! Call establishment life cycle level for simple comparisons. */
enum sig_pri_call_level call_level;
int prioffset; /*!< channel number in span */
int logicalspan; /*!< logical span number within trunk group */
int mastertrunkgroup; /*!< what trunk group is our master */