Methods, systems, and computer program products for E911 registration assistance for subscribers using portable Internet Protocol (IP) communications devices are disclosed. According to one method, an IP address of a portable IP communications device is stored. A message is received that indicates an...http://www.google.de/patents/US20070104183?utm_source=gb-gplus-sharePatent US20070104183 - Methods, systems, and computer program products for emergency 911 (E911) registration assistance for subscribers using portable internet protocol (IP) communications devices
