Presence Aware Location-Based Service For Managing Mobile Communications. - Vishal Kumar Singh; Henning Schulzrinne; Piotr Boni; Boris Elman; David Kenneson (CCNC, 2007)

Using IM and SMS for emergency text communications. - Wonsang Song; Jong-Yul Kim; Henning Schulzrinne; Piotr Boni; Michael Armstrong (IPTComm, 2009)