Advanced application topics

In addition to the basic function of facilitating session setup, Telnet supports several advanced functions such as:

Connection information passed on the CINIT control vector 64 (CV64)
Session initiation management (LOGAPPL, QINIT, FIRSTONLY, and DEFONLY)
Check client connection and connection/session takeover
Queueing sessions
Disconnect on session error
Bypass RESTRICTAPPL with CERTAUTH
Allow printer sessions with RESTRICTAPPL
Keeping the ACB open
Express® Logon Feature