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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: 26.01.2020
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National Telecom Limited
29,90 € *
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National Telecom Limited (NTC) was incorporated on June 8, 2004 for the purpose of implementing, owning and operating a fixed line network in Bangladesh. NTC was awarded a PSTN license by the Bangladesh Telecom Regulatory Commission (BTRC), and the Government of Bangladesh (GoB) to operate basic telephone services, data and broadband services in all over Bangladesh. The license was granted for a period of 20 years and is renewable prior to expiry. The authorised capital of NTC is Bangladesh Taka (BDT) 5 billion (approx US$ 73 million) divided into 50,000,000 ordinary shares of BDT 100 each. 1 US$ = 68.7 BD National Telecom, received a national license on 23 September 2007 and is one of the six PSTN operators to operate PSTN service all over Bangladesh. The license was granted for a period of 15 years and is renewable prior to expiry and NTC had to surrender all previous (four Zone) licenses. NTC also received one spot of 450 MHz and one spot of 1900 MHz frequency from BTRC.

Anbieter: Dodax AT
Stand: 26.01.2020
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VoIP User
29,90 € *
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High Quality Content by WIKIPEDIA articles! VoIP User is a community driven and financed SIP based VoIP network. The projects aim is to introduce people to the concept of VoIP by allowing members to experiment with SIP and IAX2 devices.The VoIP User network was designed to operate within a community environment and therefore differs substantially from most other VoIP networks. The main highlighted difference being that users can call PSTN phone numbers through VoIP User's PSTN gateway without incurring any call charges. The way that VoIP User is funded is noteworthy: Calls into VoIP User?s numbers generate a small amount of per minute revenue (the ?termination charge?), and this money goes into a community account or ?pot?.

Anbieter: Dodax AT
Stand: 26.01.2020
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VoIP User
29,00 € *
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High Quality Content by WIKIPEDIA articles! VoIP User is a community driven and financed SIP based VoIP network. The projects aim is to introduce people to the concept of VoIP by allowing members to experiment with SIP and IAX2 devices.The VoIP User network was designed to operate within a community environment and therefore differs substantially from most other VoIP networks. The main highlighted difference being that users can call PSTN phone numbers through VoIP User's PSTN gateway without incurring any call charges. The way that VoIP User is funded is noteworthy: Calls into VoIP User?s numbers generate a small amount of per minute revenue (the ?termination charge?), and this money goes into a community account or ?pot?.

Anbieter: Dodax
Stand: 26.01.2020
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Softswitch: Charging, Accounting and Billing
51,30 € *
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Softswitch is an innovative concept in the field of telecommunication and ICT, which creates new challenges and opportunities for the network operators, service providers and researchers. The migration from PSTN to NGN involves the convergence between PSTN and IP network that is a single network for voice, data and video. Softswitch performs all analysis functions, routes signalling messages and handles traffic data. So it requires an extension of existing charging collection mechanisms and billing system that is functionally intelligent and flexible, and provides fair policy towards end users. The book is designed to present the design principle and implementation concept of Softswitch. It also includes different convergence billing protocols and their interface challenges. In addition, the operational results at the end demonstrate the effectiveness of the Softswitch with billing interface. On the whole, the study has sought to explicate an integrated system for Charging, Accounting and Billing, which is capable of handling all the challenges and generating fair traffic bill.

Anbieter: Dodax AT
Stand: 26.01.2020
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IP Telephony Over IUG Network
50,40 € *
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Traditional telephony last about 100 years in use as the basic voice communication because of its reliability that satisfy the normal needs. Packet switching network, especially the Internet, which rapidly spread , attract more and more applications, because of its flexibility and efficiency. One of the most important applications is VoIP, which transmit voice in the same method of transmitting data, taking into account that voice is a real time application. Once we can transmit the voice over IP network, we do not need to route calls using the expensive and large central switches of PSTN, since we can route the calls in the same manner that we route data in IP network. This is the task of the soft switch, soft switch may seem to be the counterpart of central office or PBX of PSTN network. Finally, this project outlines the overall system of VoIP communication, and then show how to implement a whole telephone system based on IP protocols. The implementation of this project will improve the telephony service and management in (IUG).

Anbieter: Dodax AT
Stand: 26.01.2020
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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: 26.01.2020
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Softswitch: Charging, Accounting and Billing
49,90 € *
ggf. zzgl. Versand

Softswitch is an innovative concept in the field of telecommunication and ICT, which creates new challenges and opportunities for the network operators, service providers and researchers. The migration from PSTN to NGN involves the convergence between PSTN and IP network that is a single network for voice, data and video. Softswitch performs all analysis functions, routes signalling messages and handles traffic data. So it requires an extension of existing charging collection mechanisms and billing system that is functionally intelligent and flexible, and provides fair policy towards end users. The book is designed to present the design principle and implementation concept of Softswitch. It also includes different convergence billing protocols and their interface challenges. In addition, the operational results at the end demonstrate the effectiveness of the Softswitch with billing interface. On the whole, the study has sought to explicate an integrated system for Charging, Accounting and Billing, which is capable of handling all the challenges and generating fair traffic bill.

Anbieter: Dodax
Stand: 26.01.2020
Zum Angebot
IP Telephony Over IUG Network
49,00 € *
ggf. zzgl. Versand

Traditional telephony last about 100 years in use as the basic voice communication because of its reliability that satisfy the normal needs. Packet switching network, especially the Internet, which rapidly spread , attract more and more applications, because of its flexibility and efficiency. One of the most important applications is VoIP, which transmit voice in the same method of transmitting data, taking into account that voice is a real time application. Once we can transmit the voice over IP network, we do not need to route calls using the expensive and large central switches of PSTN, since we can route the calls in the same manner that we route data in IP network. This is the task of the soft switch, soft switch may seem to be the counterpart of central office or PBX of PSTN network. Finally, this project outlines the overall system of VoIP communication, and then show how to implement a whole telephone system based on IP protocols. The implementation of this project will improve the telephony service and management in (IUG).

Anbieter: Dodax
Stand: 26.01.2020
Zum Angebot