Patent ID: 8908845
Filing Date: 2014-12-09
Classification: H04L,H04M

Abstract:
1. A method for implementing customized ring back tone service and customized ring tone service, comprising: receiving, by a second server, a first early media response returned by a terminal, wherein the first early media response comprises a first media negotiation result which is obtained by the terminal performing media negotiation with a first server according to a first early media request; generating, by the second server, a second early media request according to the received first early media response, wherein the second early media request comprises a second attribute identification for identifying the second early media request, and sending the first early media response and the second early media request; and completing, by the first server, media negotiation with a calling terminal according to the first early media response, and a called terminal completing media negotiation with the second server according to the second early media request comprising the second attribute identification.