Abstract: Methods and systems for implementing trunking techniques in CDMA systems for handling group calls and push-to-talk services and roaming of group calls.
Type:
Grant
Filed:
June 22, 2005
Date of Patent:
June 1, 2010
Assignee:
ZTEIT USA, Inc.
Inventors:
James Jiang, Yonggang Fang, Rajesh Bhalla, Mary Chion