2FDB00 INT 2F - ZyXEL ZFAX v2+ - INSTALLATION CHECK
2FDB00 INT 2F U - WINGO.COM - INSTALLATION CHECK
2FDB01 INT 2F - ZyXEL ZFAX v2+ - UNINSTALL
2FDB01 INT 2F U - WINGO.COM - SET CALLBACK FUNCTION POINTER
2FDB02 INT 2F - ZyXEL ZFAX v2.x - DISABLE
2FDB02 INT 2F U - WINGO.COM - RESET CALLBACK FUNCTION POINTER
2FDB03 INT 2F - ZyXEL ZFAX v2.x - ENABLE
2FDB03 INT 2F U - WINGO.COM - SET ??? FLAG
2FDB04 INT 2F U - WINGO.COM - RESET ??? FLAG
2FDB05 INT 2F U - WINGO.COM - GET ??? FLAG
2FDB06 INT 2F U - WINGO.COM - CALL CALLBACK FUNCTION
2FDB10 INT 2F - ZyXEL ZFAX v3+ - EXECUTE ZFAX MAIN MENU
2FDB11 INT 2F - ZyXEL ZFAX v3+ - SEND FAX
2FDB12 INT 2F - ZyXEL ZFAX v3+ - PRINT FAX
2FDB13 INT 2F - ZyXEL ZFAX v3+ - CONVERT FAX
2FDB14 INT 2F - ZyXEL ZFAX v3+ - VIEW FAX
2FDB15 INT 2F - ZyXEL ZFAX v4.01 - SEND FAX WITH LOGO AND SIGNATURE
2FDB16 INT 2F - ZyXEL ZFAX v4.01 - QUOTE PREVIOUS STATUS
2FDB17 INT 2F - ZyXEL ZFAX v4.01 - BEGIN RECEIVING INCOMING CALL
2FDB18 INT 2F - ZyXEL ZFAX v4.01 - SCHEDULE CALL
2FDB20 INT 2F - ZyXEL ZFAX v3+ - POLL FAX
2FDB21 INT 2F - ZyXEL ZFAX v3+ - SEND VOICE
2FDB22 INT 2F - ZyXEL ZFAX v3+ - CONVERT VOICE FILE
2FDB23 INT 2F - ZyXEL ZFAX v3+ - RECORD VOICE FILE
2FDB24 INT 2F - ZyXEL ZFAX v3+ - PLAY VOICE FILE
2FDB25 INT 2F - ZyXEL ZFAX v3+ - ANSWER MODEM WITH VOICE SYSTEM
2FDB26 INT 2F - ZyXEL ZFAX v3+ - DIAL PHONE
2FDB27 INT 2F - ZyXEL ZFAX v3+ - RECEIVE FAX - ANSWER MODEM AND SET TO FAX MODE
2FDB28 INT 2F - ZyXEL ZFAX v3+ - RECEIVE FAX DATA - ANSWER MODEM IN MULTI-AUDIO MODE
2FDB40 INT 2F - ZyXEL ZFAX v3+ - INTERNAL TERMINAL
2FDB41 INT 2F - ZyXEL ZFAX v3+ - SEND DATA - DIAL NUMBER AND UPLOAD FILE WITH ZMODEM