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Public Switched Telephone Network
34,00 € *
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.The public switched telephone network (PSTN) is the network of the world''s public circuit-switched telephone networks, in much the same way that the Internet is the network of the world''s public IP-based packet-switched networks. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital and includes mobile as well as fixed telephones. The PSTN is largely governed by technical standards created by the ITU-T, and uses E.163/E.164 addresses (more commonly known as telephone numbers) for addressing.

Anbieter: Dodax
Stand: 23.01.2020
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IP Phone
29,90 € *
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An IP phone uses Voice over IP technologies allowing telephone calls to be made over an IP network such as the internet instead of the ordinary PSTN system. Calls can traverse the Internet, or a private IP Network such as that of a company. The phones use control protocols such as Session Initiation Protocol, Skinny Client Control Protocol or one of various proprietary protocols such as that used by Skype. IP phones can be simple software-based Softphones or purpose-built hardware devices that appear much like an ordinary telephone or a cordless phone. Ordinary PSTN phones are used as IP phones with analog telephony adapters (ATA).It may have many features an analog phone doesn't support, such as e-mail-like IDs for contacts that may be easier to remember than names or phone numbers.

Anbieter: Dodax AT
Stand: 23.01.2020
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IP Phone
29,00 € *
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An IP phone uses Voice over IP technologies allowing telephone calls to be made over an IP network such as the internet instead of the ordinary PSTN system. Calls can traverse the Internet, or a private IP Network such as that of a company. The phones use control protocols such as Session Initiation Protocol, Skinny Client Control Protocol or one of various proprietary protocols such as that used by Skype. IP phones can be simple software-based Softphones or purpose-built hardware devices that appear much like an ordinary telephone or a cordless phone. Ordinary PSTN phones are used as IP phones with analog telephony adapters (ATA).It may have many features an analog phone doesn't support, such as e-mail-like IDs for contacts that may be easier to remember than names or phone numbers.

Anbieter: Dodax
Stand: 23.01.2020
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H.323
35,00 € *
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High Quality Content by WIKIPEDIA articles! H.323 is an umbrella Recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network. The H.323 standard addresses call signaling and control, multimedia transport and control, and bandwidth control for point-to-point and multi-point conferences. It is widely implemented by voice and videoconferencing equipment manufacturers, is used within various Internet real-time applications such as GnuGK and NetMeeting and is widely deployed worldwide by service providers and enterprises for both voice and video services over Internet Protocol (IP) networks. It is a part of the ITU-T H.32x series of protocols, which also address multimedia communications over Integrated Services Digital Network (ISDN), Public Switched Telephone Network (PSTN) or Signaling System 7 (SS7), and 3G mobile networks. H.323 Call Signaling is based on the ITU-T Recommendation Q.931 protocol and is suited for transmitting calls across networks using a mixture of IP, PSTN, ISDN, and QSIG over ISDN.

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Stand: 23.01.2020
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H.323
34,00 € *
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High Quality Content by WIKIPEDIA articles! H.323 is an umbrella Recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network. The H.323 standard addresses call signaling and control, multimedia transport and control, and bandwidth control for point-to-point and multi-point conferences. It is widely implemented by voice and videoconferencing equipment manufacturers, is used within various Internet real-time applications such as GnuGK and NetMeeting and is widely deployed worldwide by service providers and enterprises for both voice and video services over Internet Protocol (IP) networks. It is a part of the ITU-T H.32x series of protocols, which also address multimedia communications over Integrated Services Digital Network (ISDN), Public Switched Telephone Network (PSTN) or Signaling System 7 (SS7), and 3G mobile networks. H.323 Call Signaling is based on the ITU-T Recommendation Q.931 protocol and is suited for transmitting calls across networks using a mixture of IP, PSTN, ISDN, and QSIG over ISDN.

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Stand: 23.01.2020
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Asterisk (PBX)
46,30 € *
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High Quality Content by WIKIPEDIA articles! Asterisk is a software implementation of a telephone private branch exchange (PBX) originally created in 1999 by Mark Spencer of Digium. Like any PBX, it allows attached telephones to make calls to one another, and to connect to other telephone services including the public switched telephone network (PSTN) and Voice over Internet Protocol (VoIP) services. Its name comes from the asterisk symbol. Asterisk is released under a dual license model, using the GNU General Public License (GPL) as a free software license and a proprietary software license to permit licensees to distribute proprietary, unpublished system components.

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Stand: 23.01.2020
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Collaborative Browsing für internetbasierte Ser...
56,95 € *
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Der Umsatz des Electronic Commerce hat sich in den letzten Jahren vervielfacht. Im Mittelpunkt steht die Kundenorientierung. Mit diesem Ziel sind die Service- und Supportprozesse zukunftsorientiert zu entwickeln und die weiter bestehenden Vertriebswege anzupassen. Der Service und Support über mehrere parallele Kanäle kann über Teleweb geleistet werden. Teleweb ist ein technologie-gestützter Prozess, der die beiden Technologien Collaborative Browsing und Telefonie unter Nutzung der Kommunikationsdienste Internet und PSTN/VoIP über einen CTI-Server integriert, welcher von mindestens zwei Personen parallel benutzt wird. In dieser Arbeit werden dafür die Grundlagen erarbeitet und ein Prozessmodell entwickelt. Bei der Umsetzung ist der Focus auf Call Center gerichtet.

Anbieter: Dodax
Stand: 23.01.2020
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Voice over internet protocol (VoIP) over WiMAX
50,40 € *
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Existing wireless networks enable different important applications over IP based network such as public internet and Voice over Internet protocol is one of the important applications which have become a possible alternative to public switched telephone network (PSTN). This project investigates one of the time sensitive data applications on WiMAX i.e. VoIP. I carried on WiMAX because WiMAX networks provide advance features and protocols to support the Quality of service (QoS). This project also indicates about the impact of load and mobility on the voice calls. This book provides details about the Voice Over Internet Protocol (VoIP), Which includes types of VoIP calls, VoIP System and Components, VoIP Protocols, VoIP codecs and VoIP Quality of Service (QoS). It also provides detailed study of WiMAX including WiMAX Protocol Layer and WiMAX Quality Of Service(QoS)

Anbieter: Dodax AT
Stand: 23.01.2020
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Collaborative Browsing für internetbasierte Ser...
58,95 € *
ggf. zzgl. Versand

Der Umsatz des Electronic Commerce hat sich in den letzten Jahren vervielfacht. Im Mittelpunkt steht die Kundenorientierung. Mit diesem Ziel sind die Service- und Supportprozesse zukunftsorientiert zu entwickeln und die weiter bestehenden Vertriebswege anzupassen. Der Service und Support über mehrere parallele Kanäle kann über Teleweb geleistet werden. Teleweb ist ein technologie-gestützter Prozess, der die beiden Technologien Collaborative Browsing und Telefonie unter Nutzung der Kommunikationsdienste Internet und PSTN/VoIP über einen CTI-Server integriert, welcher von mindestens zwei Personen parallel benutzt wird. In dieser Arbeit werden dafür die Grundlagen erarbeitet und ein Prozessmodell entwickelt. Bei der Umsetzung ist der Focus auf Call Center gerichtet.

Anbieter: Dodax AT
Stand: 23.01.2020
Zum Angebot