White paper Title:
Service Consistency For Today’s VoLTE Subscribers: Providing Global Access With 4G LTE And IMS Centralized Services
Company Name: Alcatel-Lucent
Abstract:
End-user expectations for mobile services have evolved rapidly during the last two decades, and many subscribers now expect voice service to be globally available. Operators are therefore considering options for deploying IMS-based VoLTE with provisions for circuit-mode support where 4G LTE is not available. Standards organizations are defining IMS Centralized Services mechanisms to provide IMS-controlled voice service, even in legacy Circuit Switched networks. A fixed subset of common voice services can be offered to end users in mobile networks to provide voice service consistency across 4G LTE and 2G/3G CS network access without complex upgrades. With a more rapid launch of VoLTE enabled by simpler service consistency implementation, operators can gain a first-mover advantage and retain end users’ interest and revenues.
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