VoLTE

E123445

VoLTE (Voice over LTE) is a technology that enables high-quality voice calls to be transmitted as data over 4G LTE networks instead of traditional circuit-switched voice channels.

All labels observed (2)

Label Occurrences
VoLTE canonical 7
Voice over LTE 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf mobile communication technology
voice over IP technology
basedOnStandard 3GPP specifications
benefitsOperator more efficient use of LTE spectrum for voice
benefitsUser better in-call audio clarity
faster call connection
category LTE service
cellular voice technology
comparedTo circuit-switched voice
dependsOn EPS bearer architecture
deploymentStarted early 2010s
enables packet-switched voice calls over LTE networks
shutdown of 2G and 3G voice networks
fullName VoLTE self-linksurface differs
surface form: Voice over LTE
improves call setup time compared to 2G and 3G
voice quality compared to narrowband voice
introducedBy 3GPP Release 8 and later enhancements
operatesOnLayer IP layer
reduces operator spectrum usage for legacy voice networks
relatedTo RCS
ViLTE
VoWiFi
replaces circuit-switched voice services on mobile networks
requires IMS core network
LTE network coverage
QoS mechanisms on LTE network
VoLTE-capable handset
operator VoLTE provisioning
standardizedBy 3rd Generation Partnership Project
supports roaming with compatible VoLTE networks
supportsFeature SRVCC for handover to legacy networks
emergency calling over LTE
supplementary services such as call waiting and call forwarding
video calling over LTE when combined with ViLTE
supportsService high-definition voice calls
simultaneous voice and LTE data
transports voice as IP data packets
usedBy mobile network operators worldwide
uses bearer with guaranteed bit rate for voice
usesAccessTechnology OFDMA on downlink
SC-FDMA on uplink
usesCodec AMR-WB
EVS
usesNetworkType 4G LTE
usesProtocol IMS
surface form: IMS signaling

RTP
SIP

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

LTE supports VoLTE
IMS enables VoLTE
VoLTE fullName VoLTE self-linksurface differs
this entity surface form: Voice over LTE
3GPP standardizes VoLTE
Vodafone UK supports VoLTE