Results 11 to 20 of about 2,319,121 (284)

Internet protocol support for telephony [PDF]

open access: yesProceedings of the IEEE, 2004
In this paper, we consider the evolution of telephone networks from time-division multiplexing circuit switching to packet switching and, in particular, to packet switching-based on Internet Protocol (IP-supported telephony). We analyze IP-supported telephony design solutions by proposing a layered reference model in which each layer is associated to a
P Baglietto, M Maresca
exaly   +7 more sources

Programming Internet telephony services [PDF]

open access: yesIEEE Network, 1999
Internet telephony enables a wealth of new service possibilities. Traditional telephony services, such as call forwarding, transfer, and 800 number services, can be enhanced by interaction with email, web, and directory services. Additional media types, like video and interactive chat, can be added as well.
Henning Schulzrinne
exaly   +6 more sources

Signaling for Internet telephony [PDF]

open access: yesProceedings Sixth International Conference on Network Protocols (Cat. No.98TB100256), 2002
Internet telephony must offer the standard telephony services.However, the transition to Internet-based telephony services also provides an opportunity to create new services more rapidly and with lower complexity than in the existing public switched telephone network(PSTN).
Schulzrinne, Henning G.   +1 more
openaire   +5 more sources

Quality aspects of Internet telephony. [PDF]

open access: yes, 2009
Internet telephony has had a tremendous impact on how people communicate. Many now maintain contact using some form of Internet telephony. Therefore the motivation for this work has been to address the quality aspects of real-world Internet telephony for both fixed and wireless telecommunication.
Marsh, Ian, Marsh, Ian R.
core   +7 more sources

A survey of requirements and standardization efforts for IP-telephony-security [PDF]

open access: yes, 2000
Security as a dimension of trustworthiness in IP-Telephony systems and protocols is a main condition for the commercial success of IP-Telephony. In this work, we present a survey of security requirements and show how various standardization efforts ...
Rensing, Christoph   +3 more
core   +5 more sources

Implementasi Trunk Interkoneksi Multi Server menggunakan Singleboard Komputer

open access: yesJurnal Jaringan Telekomunikasi, 2021
Voice over Internet Protocol (juga disebut VoIP, IP Telephony, Internet telephony atau Digital Phone) adalah teknologi yang memungkinkan percakapan suara jarak jauh melalui media internet.
Alwalid Nouvatie   +2 more
doaj   +1 more source

A Security Analysis on OpenSIPS

open access: yesIJAIT (International Journal of Applied Information Technology), 2020
IP Telephony, Internet Telephony, Digital Phone or often also called VoIP (Voice Over Internet Protocol) is a technology that allows long-distance voice conversations with the Internet.
Gandeva Bayu Satrya   +1 more
doaj   +1 more source

Model for speech signal quality estimation in packet network of electricity supply industry [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2019
In this paper we present the dilemma dealing with the choice of speech segment duration and the calculation of speech signal quality in the packet telephone network of Electricity supply industry (ESI).
Lebl Aleksandar   +3 more
doaj   +1 more source

Fraud in a digital society in the context of social change

open access: yesЦифровая социология, 2023
The article analyzes the problems of fraud in the modern digital society in the context of social changes caused by both the COVID-19 pandemic and the current geopolitical situation.
A. Yu. Sergeyev, O. V. Shirokova
doaj   +1 more source

On building an Internet gateway for Internet telephony [PDF]

open access: yes2000 IEEE International Conference on Multimedia and Expo. ICME2000. Proceedings. Latest Advances in the Fast Changing World of Multimedia (Cat. No.00TH8532), 2002
Internet telephony has the potential to significantly reduce the cost of long distance voice communication. Thus, it is very important to construct a PSTN/Internet gateway for further experiments and developments. We explore several methodologies for the implementation of a PSTN/internet gateway.
Chang, Cheng-Yue, Chen, Ming-Syan
openaire   +3 more sources

Home - About - Disclaimer - Privacy