(WIM) is real-time communication with one or more participants using smartphones or mobile phones over cellular networks
.WIM messaging allows participants to set their own availability and preferred method of communication, and to identify which other user
iscurrently participating in the current instant messaging
session.Any user can start a chat with
other participants. For a user to participate in wireless instant messaging, the mobile device must contain the IM client software and operate with the Wireless Application Protocol (WAP).