IM+ keeps the contact list information on the respective servers. So, IM+ and your ordinary desktop client always use just the same contact list. E.g. if you add a new buddy in your contact list with desktop client, you will also see him in your List if you connected with IM+.
Other features of IM+ include:
Email addresses and Web URLs in conversations are automatically hyperlinked, and you can email or surf to these linksSimultaneous connection to all selected systemsAdd/Remove Contact functionsAbility to send mail to offline MSN usersConfigured alertsSound and volume controlSupport of TCP/IP & HTTP connectionsFull presence status supportMessage HistoryWorking in Background ModePredefined MessagesStorage of several accounts
The comprehensive chat program for your UIQ phone.