Explain busy tone in strowger telephony, Computer Engineering

Assignment Help:

Explain Busy tone in strowger telephony.

Busy tone pattern is demonstrated in figure. This is a bursty 400 Hz signal with silence era in between. The burst and silence duration contain the similar value of 0.75 s or 0.375 s. A busy tone is sent to the calling subscriber when the switching equipment or junction line is not obtainable to put through the call or the called subscriber line is engaged.

2006_Busy Tone.png

Figure: Busy Tone


Related Discussions:- Explain busy tone in strowger telephony

Logical drives is it possible to fit onto a physical disk, How many logical...

How many logical drives is it possible to fit onto a physical disk? Ans) Maximum of 24 logical drives can be fit into physical disk. The extended partition can only have 23 lo

Objectives of information distribution, Objectives After studying this ...

Objectives After studying this unit you should be able to: 1. list various types of reprographic methods, 2. describe uses of various kinds of typewriters, 3. explain

Operating sustem, describe the action by thread library to context switch ...

describe the action by thread library to context switch between user level threads

What is an html tag, An HTML tag is a syntactical construct in the HTML lan...

An HTML tag is a syntactical construct in the HTML language that abbreviates particular instructions to be implemented when the HTML script is loaded into a Web browser. It is like

What are the steps include constructing a functional model, What are the St...

What are the Steps include constructing a Functional Model Recognize input and output values Build data flow diagrams which shows functional dependencies Explain

Function modules are also external subroutines, Function Modules are also e...

Function Modules are also external Subroutines. True.

Memory-to-memory architecture:, Memory-to-Memory Architecture : The pipe...

Memory-to-Memory Architecture : The pipelines can access vector operands, intermediate and final results directly in the main memory. This needs the higher memory bandwidth. How

Use of intrinsic functions in fortran, Q. Use of Intrinsic Functions in FOR...

Q. Use of Intrinsic Functions in FORTRAN? HPF initiates some new intrinsic functions also to those defined in F90. The two mainly often used in parallel programming are system

Define step by step procedure in computer programming, Define Step by Step ...

Define Step by Step Procedure in Computer Programming? The Computer programming is the skill and art of creating a computer program a defined set of instructions in source code

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd