Designed with the corporate user in mind, ZOC is capable of emulating a wide variety of protocols, including TTY, VT52, VT100, VT102, VT220, AVATAR, ANSI, IBM-3270 (also supports QNX via a third party add-on), ISDN for CAPI V1.1 (OS/2 only) and CAPI V2.0 boards, including X.25 and X.31 support.