The intermediate node utilization when it is impossible the method route of appointing SIP message

摘要

Via the intermediate entity where SIP message forms the node of signal transmission route route the routing method in the telecommunications network which designates that it is appointed as purpose is offered. According to this invention, the aforementioned method, when it is utilization impossible, includes the step which the intermediate entity which the bypass can be done the bypass is done. This invention offers the applicability for IMS architecture.