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Conference csc32::consolemanager

Title:POLYCENTER Console Manager
Notice:Kits, Scans, Docs on CSC32:: as PCM$KITS:,PCM$DOCS:, PCM$SCANS:
Moderator:CSC32::BUTTERWORTH
Created:Thu Aug 06 1992
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1541
Total number of notes:6564

82.0. "Sharing DECtalk with POLYCENTER interface" by CSCMA::MACVICAR () Thu Jun 10 1993 17:07

    I have a customer who has Polycenter interfaced to a DECtalk Unit.
    He wants to share the DECtalk Unit with another application but the
    DECtalk Unit is not shareable between applications.  It seems that
    this may be a common request for  Polycenter users interfacing with
    DECtalk units and I'm wondering if anyone has written a front - end
    program to pass ownership to Polycenter/Dectalk or has suggestions
    on this problem.  Below is the actual request from the customer.
    
    Thank you,
    
    Victoria MacVicar
    
    We are currently using the DECtalk interface in DCM.  It pages
            support personnel when DCM finds something wrong.  We would
    	    also like to have a DECtalk application that will answer the phone,
            present the caller with a menu, accept keypad input, and present
            the caller with the requested information.  Our particular
            application would give out home and pager numbers of people on
            call for various areas of support.  I have a program that will
            answer the phone, do the menu, etc... However, it locks out the
            LTA device from the DCM application (It does a dtk$initialize
            first thing, and then goes back to a dtk$answer_phone after a
            call is completed.)  What is the recommended way to share the
            device between the two applications ?  Does DCM support locks
            and the breakthru ast function ?  I could change the program
            that answers the phone to look for this ast and release the
            device for a given amount of time. Any help you can provide
            will be greatly appreciated.
    
    
    
T.RTitleUserPersonal
Name
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82.1GVPROD::MSTEINERWed Jun 30 1993 13:586
    When DCM needs the DECtalk, it first tries to allocate the device (and
    it deallocates it when it has finished to speak). If VMS answers "device
    allocated to another users", DCM will retry at the next scan. So, as far
    as DCM is concerned, DECtalk can be shared with other applications.
    
    Michel.