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Added detection DTMF CID without polarity change alert.

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Added detection of DTMF tone energy levels on FXO channels in chan_dahdi
monitoring loop so DTMF CID can be detected without the need of a polarity
change precursor.  

(closes issue #9096)
Reported by: fleed
Patches:
      9096-chan_dahdi-trunk.diff uploaded by dbailey (license 819)
Tested by: cyberplant, sum, maturs


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@216094 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Doug Bailey
2009-09-03 19:40:37 +00:00
parent 148552de24
commit 8430c87faa
4 changed files with 109 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
channels/sig_analog.h
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@@ -80,6 +80,7 @@ enum analog_event {
ANALOG_EVENT_ERROR,
ANALOG_EVENT_NEONMWI_ACTIVE,
ANALOG_EVENT_NEONMWI_INACTIVE,
ANALOG_EVENT_DTMFCID,
};
enum analog_sub {
@@ -97,6 +98,7 @@ enum analog_cid_start {
ANALOG_CID_START_POLARITY = 1,
ANALOG_CID_START_POLARITY_IN,
ANALOG_CID_START_RING,
ANALOG_CID_START_DTMF_NOALERT,
};
#define ANALOG_MAX_CID 300
@@ -187,6 +189,7 @@ struct analog_callback {
void (* const decrease_ss_count)(void);
int (* const distinctive_ring)(struct ast_channel *chan, void *pvt, int idx, int *ringdata);
/* Sets the specified sub-channel in and out of signed linear mode, returns the value that was overwritten */
int (* const set_linear_mode)(void *pvt, int idx, int linear_mode);
void (* const get_and_handle_alarms)(void *pvt);
void * (* const get_sigpvt_bridged_channel)(struct ast_channel *chan);