Information is retrieved from a list of members of a group call group. Based on the retrieved information, a group call is established between first and second mobile stations (MS). The first MS is served by a first base station controller (BSC) and the second MS is served by a second BSC. Voice data...http://www.google.es/patents/US6996414?utm_source=gb-gplus-sharePatente US6996414 - System and method of group calling in mobile communications
System and method of group calling in mobile communications
