Index of: communication/isdn/t50/ 

334s135a.zip   : AcerISDN T50 Serial Firmware Version 1.35a
334u135a.zip   : AcerISDN T50 USB Firmware Version 1.35a
NT42K_V11.zip  : AcerISDN T40/T50 Driver for WinNT/Win2000
USBGCO237.sea.bin: Global Communication Office v2.36 T50 USB Macintosh
                   Global Communication Office v2.37 Updater
gco236up.hqx   : Global Communication Office v2.3.6 Updater *MAC*
t334s133.hqx   : AcerISDN T50 Firmware v1.33 *MAC Version*   
t334s133.zip   : AcerISDN T50 Firmware v1.33 *PC Version*
ta.zip         : Global Communication Office v1.3a *PC* incl. Driver