Before revision: In response, a cut-down version of IMS -- enough of IMS to support voice and SMS over the LTE network -- was defined and standardized in 2010 as Voice over LTE (VoLTE).Ian Poole, editor.
After revision: In response, a cut-down version of IMS — enough of IMS to support voice and SMS over the LTE network — was defined and standardized in 2010 as Voice over LTE (VoLTE).Ian Poole, editor.