| reply to tiger72
Re: Verizon iPhone and uVerse competitiveness T-Mobile/Deutsche Telekom is currently the only operator supporting Voice over LTE via Generic Access (VoLGA). Every other operator going to deploy LTE appears to be expecting to use circuit switched fallback on their existing 2G/3G networks for voice and SMS/MMS, and of course data as well, where LTE isn't deployed.
This is hardly ideal for a number of reasons: CS fallback is only a short term fix, operators would rather offer VoIP from the get go of LTE launch, and operators want to begin reducing load and investments in old networks as they build out a new one.
The reason this is happening is because IP Multimedia Subsystem (IMS), won't be fully ready for primetime for some years to come. Light Reading has covered this issue pretty well. |
