Method and apparatus for serving of station group in internet protocol telephony exchange system

摘要

Disclosed is an apparatus and a method for placing calls between legacy terminals and IP terminals in an IP-PBX system. Features that were once only used in traditional PBX telephone systems, like group ring services and station group services are now made available for IP terminals in an IP-PBX system. Methods of providing station group service and ring group service to both legacy terminals and IP terminals in an IP-PBX system is disclosed.