Results 111 to 120 of about 197,924 (296)

An IPtel architecture based on the SIP protocol [PDF]

, 2004
More and better accesses to the Internet increase the interest in using it to carry not only data but also voice and video. The IP Telephony (IPTel) was born in this context and offers a framework to create multimedia communication systems.
Carrapatoso, Eurico, Sousa, João Paulo Pereira de   +1 more
core  

‘Sometimes, I would look at my books and cry because I felt like I was left behind’: Understanding the learning of Indigenous girls during the COVID‐19 pandemic in the districts of Chongwe and Solwezi in Zambia

British Educational Research Journal, EarlyView.
Abstract Grounded in principles of epistemic justice, this article examines the educational impacts of Zambia's COVID‐19 school closures on Indigenous girls in two districts and highlights community‐led pathways for resilience. National responses prioritised broadcast and digital delivery but presupposed access to electricity, digital devices and ...
Marcellus Forh Mbah, Leigh Jarvis, Ane Turner Johnson, Chidi Ezegwu, Priscillah Nsama, Austine Nakanga   +5 more
wiley   +1 more source

Optimizing Low Speed VoIP Network for Rural Next Generation Network (R-NGN)

Journal of ICT Research and Applications, 2013
In this paper, we identify some impairments in the Voice over Internet Protocol (VoIP) networks and quantify the levels of voice quality. We propose an optimization model to maximize number of calls in low speed network for Rural Next Generation Network (
Yoanes Bandung, Carmadi Machbub, Armein Z. R. Langi, Suhono H. Supangkat   +3 more
doaj  

Communications report 2013-14 series: report 2 [PDF]

Are you one of the more than five million adult Australians now using a voice over internet protocol (VoIP) service? The evolution of VoIP in Australia, the second complementary report in the ACMA Communications report 2013–14 series, shows that VoIP ...

core  

Between soft power and suspicion: Chinese international students as diasporic actors in U.S.‐China geopolitical tensions

British Educational Research Journal, EarlyView.
Abstract This study examines the under‐theorized political role and identity of Chinese international students, who emerge as significant actors caught between U.S. soft power ambitions and rising geopolitical suspicion. Amid escalating U.S.‐China tensions, these students are forced to confront environments shaped by competing geopolitical discourses ...
Jing Yu
wiley   +1 more source

Design and Implementation of a VoIP Broadcasting Service over Embedded Systems in a Heterogeneous Network Environment

The Scientific World Journal, 2014
As the digitization is integrated into daily life, media including video and audio are heavily transferred over the Internet nowadays. Voice-over-Internet Protocol (VoIP), the most popular and mature technology, becomes the focus attracting many ...
Jenq-Shiou Leu, Wei-Hsiang Lin, Wen-Bin Hsieh, Chien-Chih Lo   +3 more
doaj   +1 more source

Cultivating Circularity: Harnessing Industry 4.0 and Stakeholder Engagement for a Sustainable Agrifood Future in Brazil

Business Strategy and the Environment, EarlyView.
ABSTRACT This study analyzed Industry 4.0 (I4.0) technology applications in agribusiness and the role of strategic stakeholders, engagement methods, and other critical aspects data sharing, confidentiality, integrity, decision‐making, and sector‐specific requirements in promoting circularity.
Simone Sehnem, Lucila M. S. Campos, Tais Provensi, Charbel Jose Chiappetta Jabbour   +3 more
wiley   +1 more source

Research on hybird speech compression coding algorithm based on IP packet splitting and reassembling technology

Dianzi Jishu Yingyong
Aiming at the special communication network service system, in order to transmit 1 channel of standard G.729 Voice over Internet Protocol（VoIP）voice data over 10 kb/s narrowband channel in the special communication scenario, a hybrid speech compression ...
Li Lingyun, Li Xiaoke, Chen Yizhao, Wang Guofa, Wang Hui   +4 more
doaj   +1 more source

Secure Networks for First Responders and Special Forces [PDF]

, 2005
When NASA needed help better securing its communications with orbiting satellites, the Agency called on Western DataCom Co., Inc., to help develop a prototype Internet Protocol (IP) router.

core   +1 more source

Digital Technologies for Transparent and Sustainable Supply Chain Management: A Resource Orchestration‐Based View in the Textile Industry

Business Strategy and the Environment, EarlyView.
ABSTRACT Implementing digital technologies is touted as the next big step for the firms aiming to improve sustainability in their supply chains. These technologies are often credited with the potential to improve transparency and achieve sustainability.
Amna Farrukh, Aqeel Ahmed, Sadaat Yawar
wiley   +1 more source