[asterisk-bugs] [JIRA] (ASTERISK-22048) Fix AMI action AttendedTransfer to use both DTMF Begin and End

[Matt Jordan (JIRA)]

Matt Jordan created ASTERISK-22048:
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             Summary: Fix AMI action AttendedTransfer to use both DTMF Begin and End
                 Key: ASTERISK-22048
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22048
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/ManagerInterface
    Affects Versions: 12
            Reporter: Matt Jordan
      Target Release: 12


The bridging core feature hooks need both a DTMF begin and end frame in order to fire. The AMI action AttendedTransfer only sends AST_FRAME_DTMF (end frames).

{noformat}

/* BUGBUG action_atxfer() is broken because the bridge DTMF hooks need both begin and end events to match correctly. */
	for (digit = feature_code; *digit; ++digit) {
		struct ast_frame f = { AST_FRAME_DTMF, .subclass.integer = *digit };
		ast_queue_frame(chan, &f);
	}

	for (digit = exten; *digit; ++digit) {
		struct ast_frame f = { AST_FRAME_DTMF, .subclass.integer = *digit };
		ast_queue_frame(chan, &f);
	}

{noformat}

*Note:*
As goofy as setting a feature on a channel and then triggering it is, this works and it's not worth using a more elegant approach.

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