Results 31 to 40 of about 90,302 (385)
The development of telephony in the last fifty years: From the two-party lines to the video-phone connections [PDF]
This short paper reviews the changes in telephone technology that have taken place over the last 50 years. Electromechanical technique, semi-electronic, electronic, digital and packet is mentioned.
Markov Žarko M.
doaj
Selected issues of IP telephony
Technologies for transporting voice over networks based on IP protocol, known under various names, e.g., Voice Over IP (VoIP), Voice on the Net (VoN), IP telephony (below IP telephony), made a great progress in the last decade.
Martin Klimo+2 more
doaj +1 more source
Signaling for Internet telephony [PDF]
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 +3 more sources
THE COMMUNICATIONS OF THE ROMANIAN ARMY IN THE WAR FOR UNIFYING THE NATION. CONCLUSIONS AND LESSONS LEARNED FOR ROMANIAN ART OF WAR [PDF]
This paper explores the stages of organization and equipping that occurred in the communications of the Romanian army and the creation of the first specialized sub-units, preparation and participation in the War of Independence (1877- 1878) with further
Gheorghe BOARU
doaj
Estimating network effects in mobile telephony in Germany [PDF]
In this paper we analyze the demand for mobile telecommunication services in Germany in the period from January 1998 to June 2003. During this time, the subscriber base grew exponentially by about 700% while prices declined only moderately by about 41 ...
Doganoglu, Toker+2 more
core +1 more source
(1878). XIII. On telephony. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: Vol. 6, No. 35, pp. 93-105.
openaire +3 more sources
Implementasi Trunk Interkoneksi Multi Server menggunakan Singleboard Komputer
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
An Analysis of the Skype Peer-to-Peer Internet Telephony Protocol [PDF]
Skype is a peer-to-peer VoIP client developed in 2003 by the organization that created Kazaa. Skype claims that it can work almost seamlessly across NATs and firewalls and has better voice quality than other VoIP clients.
Salman Baset, H. Schulzrinne
semanticscholar +1 more source