US 6,982,961 B2
Push-to-talk and push-to-conference in a CDMA wireless communications system
Wail M. Refai, Apex, N.C. (US); Robert C. Witter, Chapel Hill, N.C. (US); and Essam Sourour, San Diego, Calif. (US)
Assigned to Telefonaktiebolaget LM Ericsson (publ), (Sweden)
Filed on Jul. 19, 2001, as Appl. No. 9/909,395.
Prior Publication US 2003/0016632 A1, Jan. 23, 2003
Int. Cl. H04Q 7/00 (2006.01)
U.S. Cl. 370—265 16 Claims
OG exemplary drawing
 
12. A method of facilitating communication comprising:
establishing a group of users in a CDMA wireless communication system, each of said users having a mobile terminal;
initiating a call to at least one other user of the group from a first mobile terminal;
assigning a first private downlink channel to said first mobile terminal;
assigning other private downlink channels to mobile terminals associated with said at least one other user of the group as needed; and
assigning a public downlink channel to remaining users of the group.