TOC2
The TOC2 protocol is an updated version of the TOC protocol, or "Talk to OSCAR" protocol. Its existence was never documented by AOL and it is only used in a few AOL Instant Messenger clients. Some clients are beginning to offer plugins for TOC2 in light of AOL's recent shutdown of their TOC servers. Like its predecessor, TOC2 is an ASCII protocol and lacks some features of OSCAR, but unlike TOC, TOC2 is known to support buddy icons and receiving file transfers (not sending).