Summary

Customized multimedia ring (CMR) is a set of services. CMR consists of customized ring-back tone serviceand customized ringing tone service. CMR enables a service provider to deliver customized multimedia ring-back tone to the calling party and ringing tone to the called party. Recommendation ITU-T Y.2214 describes the CMR concept, service requirements and CMR functional models in call server-based, IP multimedia subsystem-based and converged network environments.