METHOD FOR PROVIDING CONFERENCE CALL SERVICE AND INTERNET PROTOCOL EXCHANGE SYSTEM ADOPTING THE METHOD

摘要

the present invention is to provide a way conference calls and method for performing an IP Switching System to be , more specifically, to using the IP exchanger system having a mixer in accordance with the control of the IP exchange system relates to a method and a system for providing IP exchanger conference call service. ; conference call service providing method in an IP exchanger system according to the invention of claim 1 for processing a first call between a first telephone and the second subscriber to the second subscriber of the first telephone on hold step, the second step of processing a second call to the telephone call state between the first and the third telephone of the third subscriber, at the first call and the second call on hold call state, a meeting from the first telephone a third step of receiving the call request corresponding to the event, the fourth step to terminate either the first call or the second call of the first phone side, the media comprising a media channel information for a mixer Channel reset the first telephone messages, telephone and the second telephone to transmit to the third, and the first telephone via a mixer, the second telephone and a fifth step of allowing a conference call between the third telephone characterized in that it comprises. ; According to the invention, having no mixer device, capable of providing a conference Conference call services to subscribers using at least the IP terminal of the (telephone) has only a function call service provision method and the method which employs the IP exchanger system is provided. ; According to the invention, the phone can be provided with a conference call service in an IP terminal not provided with the additional cost of the device, such as a mixer apparatus, the IP exchanger system availability of conference call service center effects can be obtained that allows to focus on administration.