Chapter 6 : Public Switched Telephone Network (PSTN) (Page Three)
Numbering Plan Administration (NPA) In order for any telephone to connect to any other telephone in the world, there must be in place a carefully developed and administered numbering plan. or logical...
View ArticleChapter 6 : Public Switched Telephone Network (PSTN) (Page Eight)
AT&T Technologies was formed of Western Electric, the manufacturing arm of AT&T, and AT&T Bell Telephone Laboratories (Bell Labs), the research and development organization. Of all the...
View ArticleChapter 6 : Public Switched Telephone Network (PSTN) (Page Ten)
Network Services Network services can be grouped into several categories which define their basic nature. Those categories include access services, dedicated services, switched services and virtual...
View ArticleChapter 6 : Public Switched Telephone Network (PSTN) (Page Thirteen)
Subscriber Line Charges Subscriber Line Charges (SLC) are billed to the user by the LEC on a monthly basis. They are flat-rate, recurring charges which generally vary by type of facility (residence...
View ArticleChapter 7 : Fundamentals of Data Communications (Page Three)
Frequency Modulation (FM) Frequency Modulation (FM), also known as Frequency Shift Keying (FSK), is the sole technique used in low-speed Hayes-compatible modems. FSK involves the modulation of the...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page One)
[I]n 1816, Mr. Ronalds (afterwards Sir Francis Ronalds) showed that an electric telegraph was possible, and endeavoured to persuade the Government of the importance of his system. The official reply to...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page Six)
Quantizing variations are sometimes employed, although they are neither generally accepted nor widely deployed. Those variations include the following [8-5]: Continuously Variable Slope Delta (CVSD):...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page Seven)
Channel Service Units (CSUs) and Digital Service Units (DSUs) Discussed at length in Chapters 2 and 7, DSUs are devices which, in combination, interface the user environment to the digital network at...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page Eight)
Even in comparison to newer LAN internetworking technologies such as Frame Relay, T-carrier holds it own. For instance, a large bank in Missouri recently tripled the size of its private T-carrier...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page Fourteen)
A single BRI line can support up to eight devices, which might be in the form of telephones, facsimile machines, or computers. Additionally, up to 64 individual telephone numbers can be supported...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page Six)
Integrated Voice/Data (IVD) Terminals These terminals combine a highly functional feature phone with a computer workstation. For the most part, such terminals have been stunning failures, because they...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page...
PBX Enhancements and Trends The PBX increasingly is being positioned as a communications server for voice, data, video and image communications [4-3]. Some manufacturers are building such capabilities...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page...
Centrex As a concept, Centrex (central exchange), is something of a step back in time, providing PBX-like features through special software loaded into the Central Office Exchange. Generally speaking,...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page Nine)
Centrex Advantages Centrex is provided by the carrier and resides on a very robust computer platform which is an integral part of the network. As a result, Centrex offers a number of unique advantages,...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page...
Applications for ACDs in call center environments include reservations centers such as hotels, auto rental agencies, and airlines. Financial institutions such as stock brokers, commodities traders, and...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page...
As depicted in Figure 4.10, CTI is used in call center applications to effect enhanced functionality. Not only can the call be transferred and conferenced through computer keyboard and mouse commands,...
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Antarnisti.com : Internet Marketing, Promotion and Brand Building Specialist Makassar Today : Everything You Need To Know About Insurances, Credits and Loans Masterbiznet.com : Masternya Bisnis...
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Forums and Consortia There exist several forums and consortia that actively promote open system architectures and standard APIs for the development of CTI technologies and applications. In addition to...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page...
References [4-1] Brooks, John. Telephone: The First Hundred Years. NY: Harper & Row, 1976. [4-2] Rees, Diane and English, Michelle K. “Key and Hybrid Systems: Overview.” Datapro Communications...
View ArticleChapter 5 : Messaging Systems: Facsimile, Voice Processing and Electronic...
Press one for sales. Press two in a hopeless effort to get technical support. Press one for answers to questions you don’t have. Press two if you’re gullible and pessimistic. Press two if you’re...
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