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2. Voice over LTE - Wikipedia

   en.wikipedia.org/wiki/Voice_over_LTE

   Phone service provider has to enable the voice service on its LTE cellular network. Called "VoLTE profiles", it contains the necessary information, for each service provider, to enable VoLTE on the customer's equipment. Device manufacturers have to update their devices, for all providers all over the world, with each operator's profile.

3. LTE (telecommunication) - Wikipedia

   en.wikipedia.org/wiki/LTE_(telecommunication)

   One additional approach which is not initiated by operators is the usage of over-the-top content (OTT) services, using applications like Skype and Google Talk to provide LTE voice service. [107] Most major backers of LTE preferred and promoted VoLTE from the beginning. The lack of software support in initial LTE devices, as well as core network ...

4. Voice call continuity - Wikipedia

   en.wikipedia.org/wiki/Voice_call_continuity

   In the context of the Release 8 of 3GPP standards, VCC was replaced by a wider concept that covers all services provided by IMS.This work resulted in the specification of IMS Service Continuity [1] and IMS Centralized Services (ICS), [2] which are meant to be used in particular to provide the continuity of voice calls between LTE and legacy 2G/3G networks.

5. Verizon (wireless service) - Wikipedia

   en.wikipedia.org/wiki/Verizon_(wireless_service)

   Because 4G LTE is a data-transmitting network, when it launched, Verizon customers' voice calls were still carried over the company's CDMA2000 network, [64] which was developed for 3G cellphones. In September 2014, Verizon launched voice over LTE (VoLTE); [65] this allowed voice calls to

6. Android Operating System, Expanded Voice Capabilities ... - AOL

   www.aol.com/news/2013-08-19-android-operating...

   Android Operating System, Expanded Voice Capabilities Extend Functionality of Public Safety LTE Handheld Device Motorola Solutions' LEX 700 with Android™ now available with quick action button ...

7. IP Multimedia Subsystem - Wikipedia

   en.wikipedia.org/wiki/IP_Multimedia_Subsystem

   Examples of global standards based on IMS are MMTel which is the basis for Voice over LTE , Wi-Fi Calling (VoWIFI), Video over LTE (ViLTE), SMS/MMS over WiFi and LTE, Unstructured Supplementary Service Data (USSD) over LTE, and Rich Communication Services (RCS), which is also known as joyn or Advanced Messaging, and now RCS is operator's ...