Can we write X.25 program in Java

hello friends
can we write X.25 (protocal) program in Java , like we write socket program in Java.
If we write means, kindly give a note, how to write.
thank you
seenu

X.25 is connection oriented in that the sending party must initiate a connection to the receiving party. This connection
establishes a virtual circuit that remains throughout the session. Because the virtual circuit is established at the time of
connection, it is a switched virtual circuit (SVC).
JTAPI is the set of classes, interfaces, and principles of operation that constitute a Java extension package in the javax.* name space. JTAPI implementations are the interface between Java computer telephony applications and telephony services, whether those services are implemented as software, as in the case of a soft PBX, or hardware. JTAPI defines the access to one or more of the following areas of functionality: Call Control, Telephone Physical Device
Control,X.25
my advice would be read and use JavaTM Telephony API
it is at http://java.sun.com/products/jtapi/

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TYPES:BEGIN OF t_bdcdata,
        program TYPE bdc_prog,
        dynpro TYPE bdc_dynr,
        dynbegin TYPE bdc_start,
        fnam TYPE fnam_____4,
        fval TYPE bdc_fval,
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DATA:wa_bdcdata TYPE t_bdcdata,
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DATA:auart_001 TYPE bdc_fval,
     vkorg_002 TYPE bdc_fval,
     vtweg_003 TYPE bdc_fval,
     spart_004 TYPE bdc_fval,
     vbeln_005 TYPE bdc_fval,
     kunwe_006 TYPE bdc_fval,
     bstkd_007 TYPE bdc_fval,
     augru_010 TYPE bdc_fval,
     bsark_011 TYPE bdc_fval,
     augru_019 TYPE bdc_fval,
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DATA:v_subrc TYPE sy-subrc.
MOVE auart TO auart_001.
MOVE vkorg TO vkorg_002.
MOVE vtweg TO vtweg_003.
MOVE spart TO spart_004.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
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    IMPORTING
      output = vbeln.
MOVE vbeln TO vbeln_005.
MOVE kunwe TO kunwe_006.
MOVE bstkd TO bstkd_007.
MOVE augru TO augru_010.
MOVE bsark TO bsark_011.
MOVE augru TO augru_019.
MOVE bsark TO bsark_020.
wa_bdcdata-program = 'SAPMV45A'.
wa_bdcdata-dynpro   = '0101'.
wa_bdcdata-dynbegin = 'X'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_CURSOR'.
wa_bdcdata-fval = 'VBAK-AUART'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_OKCODE'.
wa_bdcdata-fval = '=COPY'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'VBAK-AUART'.
wa_bdcdata-fval = auart_001.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'VBAK-VKORG'.
wa_bdcdata-fval = vkorg_002.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'VBAK-VTWEG'.
wa_bdcdata-fval = vtweg_003.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'VBAK-SPART'.
wa_bdcdata-fval = spart_004.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-program = 'SAPLV45C'.
wa_bdcdata-dynpro   = '0100'.
wa_bdcdata-dynbegin = 'X'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_OKCODE'.
wa_bdcdata-fval = '=UEBR'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_CURSOR'.
wa_bdcdata-fval = 'LV45C-VBELN'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'LV45C-VBELN'.
wa_bdcdata-fval = vbeln_005.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-program = 'SAPLJ3AD'.
wa_bdcdata-dynpro   = '2010'.
wa_bdcdata-dynbegin = 'X'.
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CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_OKCODE'.
wa_bdcdata-fval = '=ENT1'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_CURSOR'.
wa_bdcdata-fval = 'J_3ASZFH-BSTKD'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'J_3ASZFH-KUNWE'.
wa_bdcdata-fval = kunwe_006.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'J_3ASZFH-BSTKD'.
wa_bdcdata-fval = bstkd_007.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'J_3ASZFH-AUGRU'.
wa_bdcdata-fval = augru_010.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'J_3ASZFH-BSARK'.
wa_bdcdata-fval = bsark_011.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-program = 'SAPLJ3AD'.
wa_bdcdata-dynpro   = '2010'.
wa_bdcdata-dynbegin = 'X'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_OKCODE'.
wa_bdcdata-fval = '=SICH'.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'BDC_CURSOR'.
wa_bdcdata-fval = 'J_3ASZFH-BSTKD'.
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CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'J_3ASZFH-AUGRU'.
wa_bdcdata-fval = augru_019.
APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
wa_bdcdata-fnam = 'J_3ASZFH-BSARK'.
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APPEND wa_bdcdata TO it_bdcdata.
CLEAR wa_bdcdata.
CALL FUNCTION 'ABAP4_CALL_TRANSACTION'
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      tcode                         = 'VA01'
     skip_screen                   = ''
     mode_val                      = 'N'
     update_val                    = 'A'
   IMPORTING
     subrc                         = subrc
   TABLES
     using_tab                     = it_bdcdata
    SPAGPA_TAB                    =
     mess_tab                      = messtab
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     call_transaction_denied       = 1
     tcode_invalid                 = 2
     OTHERS                        = 3
IF sy-subrc <> 0.
    subrc = sy-subrc.
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ENDIF.
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just help how to do with above code.
With Regards,
Krishna Chaitanya

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