                                           ZyXEL Communications Services GmbH.
                                                      edited by Manfred Recla
                                                             January 20, 2000


             =================================================
             Release Note for ZyXEL Omni 56K and Omni 56K Plus
             Version 1.05                    December 31, 1999
             =================================================

    1 Version information:

       Omni56K Plus :                           Omni56K :

       ATI1                                     ATI1
       29588                                    07612
       Omni56K Plus  1.05                       Omni56K 1.05
       1999 12 31 08:36                         1999 12 31 08:45
       OK                                       OK

    2. Firmware changed
       a. Fixed the bug that FAX and V.32 mode fail after V.90 connection.
       b. Fixed ATI19 behavior that some modem enter kernel mode when enter
          this command.
       c. Fixed the V.32 mode incompatibility issues with V.FC modem.
       d. Fixed file transfer fail when connect with ZyXEL Elite 2864 modem 
          after ATZ0 and ATZ1 command.
       e. Fixed "FAX Class 1 ATD issues" that ATD command fail after a fax
          session.
       f. Fixed the bug of "ATD0W.... " command fail.
       g. Fixed the Fax Class 2 compatible issues with some application 
          that can not find "0x11" pattern during fax operation.
       h. Improved Fax Class 1 compatibility.
       i. Fixed the bugs that ring detection fail after AT&T1 test.



=============================================================================




             =================================================
             Release Note for ZyXEL Omni 56K and Omni 56K Plus
             Version 1.04                    December 09, 1999
             =================================================



    1   Version information:

       Omni56K Plus :                           Omni56K :

       ATI1                                     ATI1
       08286                                    45289
       Omni56K Plus  1.04                       Omni56K 1.04
       1999 12 09 11:26                         1999 12 09 11:04
       OK                                       OK

    2. Firmware changed
       - Only changed for ZyXEL internal request . No modem function or
         operation changed.



=============================================================================




             =================================================
             Release Note for ZyXEL Omni 56K and Omni 56K Plus
             Version 1.03                    November 22, 1999
             =================================================



   1.  Version information:

       Omni 56K Plus:                           Omni 56K:
       --------------                           ---------
       ATI1                                     ATI1
       12389                                    49455
       Omni56K Plus  1.03                       Omni56K 1.03
       1999 11 22 21:20                         1999 11 22 21:09
       OK                                       OK

    2. Firmware modifications
    -------------------------
       a.  Added Fax Class 2 function. (AT+FCLASS=2)
       b.  Added Russian Caller ID.
       c.  Modified the retrain procedure for V.90 mode in Russian country
           code. That will force to V.34 mode if double handshaking happened
           in V.90 mode.
       d.  Fixed the bug of busy tone detection fail in Russia.
       e.  Fixed the multi-auto detection fail in fax function.
       f.  Fixed the V.22 call connection unstable.
       g.  Improved the "NO CARRIER" problem after long time file transfer.



=============================================================================



             =================================================
             Release Note for ZyXEL Omni 56K and Omni 56K Plus
             Version 1.02                    November 22, 1999
             =================================================

             Version 1.02 was skipped !



=============================================================================



             =================================================
             Release Note for ZyXEL Omni 56K and Omni 56K Plus
             Version 1.01                     October 03, 1999
             =================================================



   1.  Version information:

       Omni 56K Plus:                           Omni 56K:
       --------------                           ---------
       ATI1                                     ATI1
       12389                                    49455
       Omni56K Plus  1.01                       Omni56K 1.01
       1999/10/03 20:43                         1999/10/03 20:43
       OK                                       OK


   1.2	Fixed bugs and function improvement:
	a.  Adjust the DAA test threshold to improve the yield rate of
	    production.

   1.3	Known bugs
	a.  In RS232 and USB mode ,the LDL & RDL function (AT&T3) can't work.
	b.  In USB mode, the "break" signal from DTE can not be detected.
	c.  In USB mode, the modem can not transfer file properly in non-error
            control mode (when the DTE charater format was not 10 bit data
            format.)
	d.  The V.90 mode fail to make connection when connect via A/B port
	    of the "Original a/b adapter" on ZyXEL Elite 2864I.


=============================================================================



             =================================================
             Release Note for ZyXEL Omni 56K and Omni 56K Plus
             Version 1.00                   September 20, 1999
             =================================================


   1.  Version information:

       Omni 56K Plus:                           Omni 56K:
       --------------                           ---------
       ATI1                                     ATI1
       12389                                    49455
       Omni56K Plus  1.00                       Omni56K 1.00
       1999/9/20 13:41                          1999/9/20 21:09
       OK                                       OK



   1.2  Fixed bugs and function improvement:
	a.  Fixed the V22 compatibility issues with the USR and Lucent modem.
	b.  Improved the stability of  DTMF tone detection in  voice mode.
 	c.  Fixed the bug that connection fail with Rockwell ACF-2 modem in
 	    V.34 mode.

   1.3	Known bugs
	a.  In RS232 and USB mode, the LDL & RDL function (AT&T3) can't work.
	b.  In USB mode, the "break" signal from DTE can not be detected.
	c.  In USB mode, the modem can not transfer file properly in non-error
            control mode (when the DTE charater format was not 10 bit data
            format.)
	d.  The V.90 mode fail to make connection when connect via A/B port
	    of the "Original a/b adapter" on ZyXEL Elite 2864I.


   2.	USB driver & INF file
   ==============================

   2.1	Software description
 	Version:  1.00b
	Version time:  1999/9/9

   2.2	Fixed bugs:
	a.  Add the non echo mode setting after hangup in INF file.
	b.  Fixed the Voice command set.
	c.  Fixed the modem conflict with other ZyXEL USB product.
	d.  Improve the delay time of USB driver.
	e.  Fix the bug that garbage data happen in data flow control
            in USB driver.



   3.	Bitware application
   ========================

   3.1	Software description
	Version: 3.30.14
	Version time: 1999/9/10

   3.2  Fixed bugs
	a.  The menu option of 3-Bit ADPCM with the following sequence
            Voice/setup/voice system setcup/advance/format was wrong.
            The modem only provides 4-bit ADPCM.
	b.  Add the caller ID feature
	c.  Fixed the software flow control in Fax class 1 (AT+FCLASS=1)

