SVDO, or Simultaneous Voice and
EV-DO data, is a technology that allows supported
CDMA2000
CDMA2000 (also known as C2K or IMT Multi‑Carrier (IMT‑MC)) is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. It is developed by 3GPP2 as a backwards-compatible ...
EV-DO cellular phones to maintain an active 3G data session while the phone is on a call. Previously, the capability of being able to use data while on a call was found only on mobile phones using
GSM
The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such as ...
cellular networks. In 2011,
Verizon
Verizon Communications Inc., commonly known as Verizon, is an American multinational telecommunications conglomerate and a corporate component of the Dow Jones Industrial Average. The company is headquartered at 1095 Avenue of the Americas in ...
released their first SVDO-supported phone, the
HTC Thunderbolt. The following year,
Sprint
Sprint may refer to:
Aerospace
*Spring WS202 Sprint, a Canadian aircraft design
*Sprint (missile), an anti-ballistic missile
Automotive and motorcycle
*Alfa Romeo Sprint, automobile produced by Alfa Romeo between 1976 and 1989
*Chevrolet Sprint, ...
released their first SVDO-supported phone, the
HTC Evo 4G LTE
The HTC Evo 4G LTE is an Android smartphone developed by HTC Corporation to be released exclusively by Sprint. A successor to the previous HTC Evo 4G and 3D models, the Evo 4G LTE supports Sprint's LTE cellular network and its current-genera ...
. Although both phones support
LTE, which already allows for simultaneous voice and data, when the devices are only in 3G data coverage, they can use SVDO to be in a 3G data session while on a phone call.
External links
CDMA Development Group Announces 'SVDO': Handle Calls and Data at same timeYouTube - SVDO on the HTC EVO 4G LTE
3rd Generation Partnership Project 2 standards
Channel access methods
Code division multiple access