Method and system for interworking with networks using SIP interworking gateway in IP multimedia subsystem

摘要

The manganese interworking method and system using SIP interworking gateway for the IMS is provided. ; One embodiment, the manganese interlocking method using the SIP interworking gateway in the IMS according to an embodiment of the present invention includes the steps of a method for manganese linked via a SIP interworking gateway at the calling terminal, transmitting a binding request message to the SIP interworking gateway .; Receiving a binding acknowledgment message to the binding request message from the SIP interworking gateway; Step of analyzing the received binding acknowledgment message to obtain information related to the address conversion information and the calling terminal according to the type of network address translation device of the originating network belongs to the calling terminal; Performing a registration process for the IMS registration by sending a request message to reflect the converted address to the SIP interworking gateway; And a step assigned a Media Relay address from the SIP interworking gateway according to the type of the network address translation device. ; NAT, IMS, SIG