Patent ID: 9137357
Filing Date: 2015-09-15
Classification: H04L,H04M

Abstract:
1. A method for implementing Customized Ringing Signal (CRS) services, comprising: receiving, by a callee CRS Application Server (AS), a call request initiated by a caller terminal; based on the received call request, determining, by the callee CRS Application Server (AS), that the callee CRS tone needs to be played in accordance with a corresponding policy that includes a priority for playing a caller CRS tone or a callee CRS tone; based on the determination, substituting, by the callee CRS AS, an early callee CRS media request for an early caller CRS media request, after receiving the early caller CRS media request from a caller CRS AS; performing, by the callee CRS AS, callee CRS media negotiation with the callee terminal using the early callee CRS media request; and thereafter, instructing, by the callee CRS AS, a media resource server (MRS) to play a callee CRS tone to the callee terminal.