A method and system for providing supplementary services for a wireless access network includes downloading supplementary service triggers from a call agent to a mobility control function (MCF) for a wireless access network. Wireless-specific signaling of the wireless access network is communicated to...http://www.google.de/patents/US7444151?utm_source=gb-gplus-sharePatent US7444151 - Method and system for providing supplementary services for a wireless access network