Apparatus and method for compulsively receiving multi-calls over internet protocol phones in internet protocol telephony system

摘要

Multi-call method and apparatus between IP terminals in internet telephony system are disclosed. For this, the multi-call method and apparatus request compulsive reception multi-calls to destination IP terminals using IP addresses, provided from a gatekeeper, corresponding to each virtual address of the destination IP terminals belonging to a specific group when the specific group for the compulsive reception multi-calls is designated by a user. They also perform the compulsive reception multi-calls using call connect message transmitted from the destination IP terminals automatically.