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

What is the difference between wire and register, What is the difference be...

What is the difference between wire and reg Wire Wire is used for designing combinational logic, as we all know that this type of logic cannot store a value.  As  you  can

What are the categories of radio communication, What are the categories of ...

What are the categories of Radio communication 1.  Sky wave or ionosphere communication 2.  Line-of-sight (LOS) microwave communication limited by horizon 3.  Troposphere

2 way staircase switch-truth table logic equation & circuit, A staircase li...

A staircase light is controlled by two switches one at the top of the stairs and another at the bottom of stairs a. Make a truth table for this system. b. Write the lo

What is cache memory, What is cache memory? The small and fast RAM unit...

What is cache memory? The small and fast RAM units are known as caches. When the implementation of an instruction calls for data located in main memory, the data are obtained a

Determine the basic machine language instructions, Determine the basic Mach...

Determine the basic Machine language instructions Machine language instructions and data are in terms of 0s and 1s and are stored in the memory. It isn't possible to distinguis

Dimensionality of interconnection network, Dimensionality of Interconnectio...

Dimensionality of Interconnection Network Dimensionality signify the arrangement of nodes or processing elements in an interconnection network. In linear network or one dimensi

What are models and meta models, Model: It is a entire explanation of s...

Model: It is a entire explanation of something (i.e. system). Meta model: It shows the model elements, syntax and semantics of the notation that permits their manipulatio

Determine the boolean expression using k-map, Reduce the following equation...

Reduce the following equation using k-map Y = BC‾D‾ + A‾BC‾D + ABC‾D + A‾BCD + ABCD Ans. Multiplying the first term with (A+A') Y = A'BC'D' + ABC'D' + A'BC'D + ABC'D + A'BCD +

What do you mean by decoders, Q. What do you mean by Decoders? Decoder ...

Q. What do you mean by Decoders? Decoder transforms one kind of coded information to other form. A decoder has n inputs and one enable line (sort of selection line) and 2 n ou

Explain batch operating systems, Explain Batch operating systems. Batc...

Explain Batch operating systems. Batch operating systems : A batch is a sequence of jobs. Such batch is submitted to batch processing operating systems moreover output would s

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