

		 Firmware 5.05 Release Note
	       ------------------------------

       1. Fixed V.23 connect problem.

       3. Correct the ring back detection problem for short-short ring.

       4. Modify 16.8 Kbps retrain procedure for more smooth operation.

       5. Enhance the receiving capability of the Caller-ID signal.

       6. Calling tone extended to wait remote fax answer.

       7. Accept remote "RESET" V.42bis request. ( USR &Y0 setting )

       8. Improved reliability of error control handshaking ( MNP or V42 )
	  especially with another ZyXEL 5.04d or above.

       9. Solved the connection problem with MicroSoft BBS which is using
	  Telebit T3000.

      10. When issuing ATSr.b? will no more get "ERROR" response.

      11. Improve the reliability of the DTMF detection in voice mode.

      12. Add 'BUSY' & 'RINGING' response in ATD command when AT+FCLASS=8
	  is issued.

      13. When modem set &B0s44.6=1, the DTE speed will fix at 19200 if
	  the connection speed above 9600.

      14. Solved DTR, RTS both active within 5 micro sec and only one be
	  recongnized.

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