In a method for setting up a call connection for a group call to a group of mobile radio subscribers in a mobile radio network, a subscriber calling a group of mobile radio subscribers dials a subscriber call number having numerals for the identification of the call as a group call, which number ...http://www.google.de/patents/US5797100?utm_source=gb-gplus-sharePatent US5797100 - Method for setting up a call connection for a group call to a group of mobile radio subscribers in a mobile radio network 
