[asterisk-bugs] [JIRA] (PRI-174) libpri does not handle keypad facility IE in overlap mode

[Richard Mudgett (JIRA)]

Richard Mudgett created PRI-174:
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             Summary: libpri does not handle keypad facility IE in overlap mode
                 Key: PRI-174
                 URL: https://issues.asterisk.org/jira/browse/PRI-174
             Project: LibPRI
          Issue Type: Bug
      Security Level: None
         Environment: asterisk 11.11.0, libpri-1.4.15, Digium B410P
Span 1 in NT mode, ISDN telephone connected
            Reporter: Gerald Schnabel
            Assignee: Richard Mudgett


libpri does not handle keypad facility IE (44) in overlap mode so it is impossible to dial service codes ("numbers" beginning with star (\*) or hash (#)), see [^full_pri_debug-1.txt].

In q931.c#post_handle_q931_message() when a Q931_INFORMATION message was received a PRI_EVENT_KEYPAD_DIGIT is fired only if call state is *not* Q931_CALL_STATE_OVERLAP_RECEIVING.

According to the Q.931 specification "Either the Called party number or the Keypad facility information element is included by the user to transfer called party number information to the network during overlap sending".

This was also discussed here: http://forums.digium.com/viewtopic.php?p=156228

With the following patch

Edit: Removed inline patch.  Richard Mudgett

dialing service code works, see [^full_pri_debug-2.txt].




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