Explain routing tone in strowger telephony, Computer Engineering

Assignment Help:

Explain routing tone in strowger telephony with waveforms and the timings.

The call-in-progress tone or routing tone is a 400 Hz or 800 Hz intermittent pattern. In electromechanical systems, this is generally 800 Hz with 50 percent duty ratio and 0.5 s on/off period. This is a 400 Hz pattern with 0.5 s on period and 2.5 s off period, in analog electronic exchanges. In digital exchanges, this has 0.1 s on/off periods at 400 Hz. While a subscriber call is routed by a number of different types of exchanges, one hears various call-in-progress tones as the call progresses by different exchanges. Figure shows a routing tone pattern.

1078_routing tone.png

Figure: call-in-progress tone or routing tone


Related Discussions:- Explain routing tone in strowger telephony

Illustrate master-slave flip-flop, Q. Illustrate Master-Slave Flip-Flop? ...

Q. Illustrate Master-Slave Flip-Flop? Master slave flip-flop comprise two flip-flops. One is master flip-flop and other one is known as slave flip-flop. Fig below shows impleme

Forward checking - artificial intelligence, Forward checking: Whether ...

Forward checking: Whether to add some sophistication to the search method there constraint solvers use a technique called as forward checking. So here the general idea is to w

Explain the generic framework for electronic commerce, Explain the generic ...

Explain the generic framework for electronic commerce along with suitable diagram? Generic Framework for electronic commerce comprises the Applications of EC (as like banking,

Define cache line, Define cache line. Cache block is used to refer to a...

Define cache line. Cache block is used to refer to a set of contiguous address location of some size. Cache block is also referred to as cache line.

Perceptron training, Perceptron training: Here the weights are initial...

Perceptron training: Here the weights are initially assigned randomly and training examples are needed one after another to tweak the weights in the network. Means all the exa

Define memory address map, Define memory address map? Addressing of mem...

Define memory address map? Addressing of memory can be established by means of a table that specifies the memory address assigned to each chip. The tables, known as memory addr

Which type of web document is run at the client site, Which type of web doc...

Which type of web document is run at the client site? Active web document is a type of web document is run at client side.

How do you recognize the performance bottlenecks, Performance Bottlenecks c...

Performance Bottlenecks can be identified by using monitors. These monitors might be application server monitors, database server monitors, web server monitors and network monitors

Draw state diagram, Draw the state diagram of a process from its creation t...

Draw the state diagram of a process from its creation to termination, including all transitions, and briefly elaborate every state and every transition. When a process executes

Determine about the memory stack, Memory Stack Stack could exist as a s...

Memory Stack Stack could exist as a stand-alone unit or could be executed in a random-access memory attached to the CPU. The implementation of a stack in a CPU is done by assig

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