The voice signaling gateway (10) provides group call and call back services
among iDEN network (20) users (21) and a number of other various
networks (30-60) users (31-62). The voice signaling gateway has packet
data interface (17) and web interface (16) In an alternate embodiment
of the invention, an integrated applications server (70) is added to the
voice signaling gateway (100) to provide group call services. The integrated
applications server has the functions for supporting group calls which were within
the voice signaling gateway (10) and forms a stand-alone special feature system.
