Zobrazeno 1 - 10
of 250
pro vyhledávání: '"Class 4 telephone switch"'
Autor:
Larry Daniel
The wireless telephone or cellular phone system is part of the regular wired telephone system also known as the plain old telephone system (POTS) which provides the public telephone system we all use every day.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0881aec255632bf40345dff1948831c
https://doi.org/10.1016/b978-0-12-809397-9.00003-1
https://doi.org/10.1016/b978-0-12-809397-9.00003-1
Autor:
O. Dubovskaya
Publikováno v:
Modern Communication Studies. 2:21-24
The telephone is the most important means of communication in business. The manner in which employees speak to their clients and customers plays an important part in building an image of a company. A telephone conversation is a complex process with s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f282b38b23e8c39c114286c225067b6
https://doi.org/10.12737/593
https://doi.org/10.12737/593
Autor:
Hai Dong Lei
Publikováno v:
Advanced Materials Research. :1256-1260
In this paper, based on the traditional fixed telephony features to increase the short message processing module. To meet the voice communication between users, the fixed telephone can realize mutual development between the SMS function .The main tel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::252b65e676f19ba0203aaff16a61f493
https://doi.org/10.4028/www.scientific.net/amr.546-547.1256
https://doi.org/10.4028/www.scientific.net/amr.546-547.1256
Autor:
Yiu-Wing Leung
Publikováno v:
Computer Networks. 54:150-164
Internet telephony is promising for long-distance calls. To serve the general public, a service provider can operate a telephone gateway in each servicing city to bridge the local telephone network and the Internet, so that users can use telephones o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9dd6ee75be6280114fff237e854d374
https://doi.org/10.1016/j.comnet.2009.09.007
https://doi.org/10.1016/j.comnet.2009.09.007
Autor:
Zheming Lu, Jixin Liu
Publikováno v:
Information Technology Journal. 8:1140-1149
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e299ce8d1e2b9dab064a7320aded7304
https://doi.org/10.3923/itj.2009.1140.1149
https://doi.org/10.3923/itj.2009.1140.1149
Autor:
Jingxuan Liu, Nirwan Ansari
Publikováno v:
Handbook of Computer Networks: Key Concepts, Data Transmission, and Digital and Optical Networks, Volume 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25f4281243eb9154c33e2ad86fae655b
https://doi.org/10.1002/9781118256053.ch11
https://doi.org/10.1002/9781118256053.ch11
Autor:
Hak Ju Kim
Publikováno v:
International Journal of Business Data Communications and Networking. 3:39-56
This article seeks to develop a richer understanding of the suitability of IP telephony in the Public Switched Telephony Network (PSTN) with an actual local exchange carrier (LEC)’s case and network simulation. We also performed a simple real optio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28e19bb43bacb7e4ee62e2c8cc2d1e20
https://doi.org/10.4018/jbdcn.2007070103
https://doi.org/10.4018/jbdcn.2007070103
Autor:
Yin Qun, Zhang Jianbo Kunming
Publikováno v:
2015 10th International Conference on Computer Science & Education (ICCSE).
In the design, the MCU AT89C52 is the core of the system. The system can send and receive the DTMF signal, which can identify the city telephone number or the long-distance telephone number. According the number, it can billing and show call duration
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cb5c40bb52714419536fc034219f3fa
https://doi.org/10.1109/iccse.2015.7250287
https://doi.org/10.1109/iccse.2015.7250287
Autor:
Yiu-Wing Leung
Publikováno v:
Computer Communications. 29:3710-3717
Internet telephony is promising for long-distance calls because of its low service charge and value-added functions. To provide Internet telephony to the general public, a service provider can operate a telephone gateway in each servicing city to bri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::066ef988ebd070a8b864e45d75620167
https://doi.org/10.1016/j.comcom.2006.06.019
https://doi.org/10.1016/j.comcom.2006.06.019
Autor:
Himanshu Pant, Chun K. Chan
Publikováno v:
Bell Labs Technical Journal. 8:39-53
Design for reliability of wireless networks presents some unique challenges due to the novelty of equipment involved (as opposed to mature circuit-switched networks) and a choice of new technologies. In this paper, we examine a wireless service provi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4c94a2cfaa07a070764874ca412950c
https://doi.org/10.1002/bltj.10085
https://doi.org/10.1002/bltj.10085