Place call is not working in HTTP trigger script

All,
I have basic hello script with HTTP trigger and CUCM trigger configured as well. I am trying to dial out an extension and play an prompt in my script. Running UCCX 7.0.1 with premium license. The place call step doesnt start at all when I do the debug. HTTP trigger and response works fine. Anything I am missing in the script.
Regards
Soban

Create a Contact-type variable. Set the Place Call and Play Prompt to this second contact. You cannot play a prompt or make a call to the triggering contact when the script was triggered by an HTTP contact instead of JTAPI.

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    DBMS_OUTPUT.PUT_LINE ('MUTATING TABLE');     -- ***** NEW *****
         NULL;
    END;
    Output, when trying to UPDATE class:3 = schosen entering check_schosen
    MUTATING TABLE
    1 row updated.
    Obviously, the trigger fired, since you see the message "3 = schosen entering check_schosen"
    Obviously, the OPEN statement raised an error, since you don't see the message 'Cursor is open now.'
    Obviously, the mutating table error was raised, since you see the message 'MUTATING TABLE'.
    So the trigger fired, and went to the EXCEPTION handler almost immediately.  The EXCEPTION handler printed a message, as instructed, and the trigger ended.  Then the actual UPDATE took place.
    I hope this answers your question.
    If not, what is your question?  It may be very clear to you, but a complete mystery to others.  Ask clear questions, such as "Why did ... happen?  I thought ... would happen, be ... as the PL/SQL manual says at ...".                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   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