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A complete change of opinion or belief. The phrase comes from the Italian term voltafaccia. Everyone was surprised when the candidate made a complete volte-face on her stance on taxes.

a volte-ˈface

(from French, formal) a complete change of opinion or plan: This represents a volte-face in government policy.This is a French adaptation of an Italian phrase and refers to turning to face the opposite direction.
References in periodicals archive ?
Smile aims to provide the best customer experience and with VoLTE it can do this, offering affordable high-speed high-quality voice and data services.
At present the VoLTE service is available to contract customers who have compatible handsets.
DOCOMO will continue to collaborate with these and other companies in the GSMA to drive the industry's ongoing discussion of international VoLTE roaming architecture, and to develop related operational guidelines aiming at the accelerated global deployment as part of the GSMA's Network 2020 Programme.
North American operators lead the way with VoLTE driven IMS deployments, closely followed by Western European operators, the firm said.
Currently, Verizon is advertising the VoLTE feature exclusively for the iPhone 6 and iPhone 6 Plus smartphones.
Further, VoLTE allows users to access a portfolio of new and richer multimedia services such as high speed video sharing, on the move video calling, multimedia chat and messaging, real time file transferring etc.
While VoLTE has been the principal interest of vendors for a native mobile VoIP solution, now similar opportunities are being developed for HSPA that allow operators to deliver Voice over HSPA (VoHSPA), which presently offers even a larger addressable market.
NASDAQ:EXFO) (TSX: EXF) has announced its successful participation in the first ever MultiService Forum VoLTE (voice over long-term evolution) Interoperability Event.
Carl Volte, Wellpoint's director of health care policy and analysis, said the company is not opposed to the recommendations themselves, but would oppose legislation that could come out of it that would encumber the managed-care industry or significantly increase health care costs.
Innovative New Approach Measures VoLTE and Video Chat Performance from the Subscriber Perspective
The new solution focuses on customer experience assurance and troubleshooting, with support for 2/3/4G technologies including VoLTE and the Internet of Things (IoT).
Although, traditional voice services will constitute a major proportion of $120 billion VoLTE market forecast in 2020, over 12% of the revenue will be driven by video calling and supplementary services, says this new VoLTE research.
VoLTE facilitates far richer, multi-media voice services, increasing the service quality by offering HD Voice and interest delivered to consumers globally.
Switching between a VoLTE call and a standard CDMA call was like night and day, with the VoLTE call just sounding a whole lot better.
This makes the company not only the first to install and test VoLTE on a live network in the region, but also the world's fastest -- at just 80 days.