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Plain Old Telephone Service
39,00 € *
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Plain old telephone service (POTS) is the voice-grade telephone service that remains the basic form of residential and small business service connection to the telephone network in many parts of the world.The name is a retronym, and is a reflection of the telephone service still available after the advent of more advanced forms of telephony such as ISDN, mobile phones and VoIP. POTS has been available almost since the introduction of the public telephone system in the late 19th century, in a form mostly unchanged to the normal user despite the introduction of Touch-Tone dialing, electronic telephone exchanges and fiber-optic communication into the public switched telephone network (PSTN).

Anbieter: Dodax
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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Plain Old Telephone Service
40,10 € *
ggf. zzgl. Versand

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Plain old telephone service (POTS) is the voice-grade telephone service that remains the basic form of residential and small business service connection to the telephone network in many parts of the world.The name is a retronym, and is a reflection of the telephone service still available after the advent of more advanced forms of telephony such as ISDN, mobile phones and VoIP. POTS has been available almost since the introduction of the public telephone system in the late 19th century, in a form mostly unchanged to the normal user despite the introduction of Touch-Tone dialing, electronic telephone exchanges and fiber-optic communication into the public switched telephone network (PSTN).

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
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National Telecom Limited
29,00 € *
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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
Stand: 23.01.2020
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Patton SmartNode 4324
1.125,06 € *
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- 16, 24 or 32 FXS or FXO—Simultaneous voice or fax calls on all ports. Advanced local call switching.- Full SIP and T.38 support—Supports the complete range of industry standard VoIP: SIP, H.323, T.38 fax, fax and modem bypass, DTMF relay. Codecs G.729, G.723 etc.- Outstanding Interoperability—Interoperable for voice and T.38 fax with leading SIP service providers, soft-switch vendors and Asterisk IP-PBXThe SmartNode 4300 VoIP Gateway provides 12 to 32 analog FXS or FXO interfaces to connect phones, fax or PSTN trunk lines to your IP-based communications (IP PBX, UC systems and SIP Trunks).Like every SmartNode, the SN4300 supports every industry-standard CODEC to deliver toll-quality voice on every call. The Unified Communications Agent™ (UCA) provides any-to-any multi-path switching (simultaneous SIP, H.323, ISDN, and POTS calls with routing and conversion between TDM/PSTN and IP/Ethernet networks—plus T.38 and SuperG3 FAX). VoIP-over-VPN with voice encryption provides secure voice and data via IPsec with AES/DES strong encryption and automated keying via Internet Key Exchange (IKE). In addition, advanced call-router functionality includes least-cost call routing with flexible dialed-number plan support.The SmartNode survivability suite provides PSTN fallback to ensure business continuity in case the IP network fails. In addition, SmartNode delivers a smooth transition to VoIP with strong number portability support accepting incoming calls from the PSTN throughout the VoIP service provider's number porting process.Preserve investments in legacy phone equipment while taking the next steps toward unified communications with the SN4300 VoIP Gateway. Providing 12 to 32 FXS or FXO interfaces and one 10/100/1000 Ethernet, the SN4300 delivers a reliable, cost-effective solution for the Enterprise.

Anbieter: Dodax AT
Stand: 23.01.2020
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Queueing Theory
33,79 € *
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Erscheinungsdatum: 12/2009, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Queueing Theory, Titelzusatz: Operations Research, Customer Service, Transport, Routing in the PSTN, Grade of Service, Jackson's Theorem Queueing Theory, Product Form Solution, Redaktion: Surhone, Lambert M. // Timpledon, Miriam T. // Marseken, Susan F., Verlag: Betascript Publishers, Sprache: Englisch, Rubrik: Mathematik // Sonstiges, Seiten: 88, Informationen: Paperback, Gewicht: 147 gr, Verkäufer: averdo

Anbieter: averdo
Stand: 23.01.2020
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Voice over IP Security
50,40 € *
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Voice over IP telephony is gaining popularity quickly, and is often replacing traditional PSTN connectivity due to its low cost and easy implementation. In moving from a legacy PSTN system to a newer technology such as VoIP, security is often overlooked by vendors and users. This can present a significant problem in the corporate environment, where security in terms of both privacy and service is a key requirement. For residential users, credential theft can result in a significant annoyance, such as toll fraud or identity theft. This book focuses on attacks that compromise privacy, and details methods of detecting and mitigating these attacks. IPSec is used to ensure that signalling and media traffic are unable to be intercepted. These techniques should help administrators of networks carrying voice traffic to implement necessary measures to ensure that security and privacy remain intact. They should be particularly useful in corporate environments, where sensitive information needs to remain inaccessible to anyone other than its intended recipients.

Anbieter: Dodax AT
Stand: 23.01.2020
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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: 23.01.2020
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