Explain the number unobtainable tone in strowger telephony, Computer Engineering

Assignment Help:

Explain the number unobtainable tone in strowger telephony with waveforms and the timings.

In the following figure illustrates the number unobtainable tone that is continuous 400 Hz signal. This tone might be sent to the calling subscriber because of a variety of reasons as the called party line is out of order or disconnected, and an error in dialing leading to the selection of a spare line. In the several exchanges the number unobtainable tone is 400 Hz intermittent along with 2.5 s on period and 0.5 s off period.

846_unobtainable tons.png

Figure: the number unobtainable tone


Related Discussions:- Explain the number unobtainable tone in strowger telephony

Prolog artificial intelligence , 1. countdown Example: countdown(5,[5,4,3,2...

1. countdown Example: countdown(5,[5,4,3,2,1]).  NOTE - your function should be able to answer questions such as: ?- countdown(5,L).  2. count_occur Example: count_occur(7,[5,2,6

The constructed datatype of c, The constructed datatype of C is known as ...

The constructed datatype of C is known as Structure is a constructed datatype of C.

Reflexes - artificial intelligence, Reflexes - artificial intelligence: ...

Reflexes - artificial intelligence: If an agent decides upon and executes an action in response to a sensor input without consultation of its world, then this can be considere

Illustrate tcp - ip networking model, Q. Illustrate TCP - IP Networking Mod...

Q. Illustrate TCP - IP Networking Model? TCP/IP is an acronym for Transmission Control Protocol / Internet Protocol. It is a collection of applications, protocols and services.

Change to palindrome, given a string S convert it to palindrome by doing ch...

given a string S convert it to palindrome by doing character replacement.convert S to palindrome with minimum character replacements

What are the benefits of micro programmed control, a. What are the benefits...

a. What are the benefits of hardwired and micro programmed control? b. Sketch neat diagram of single bus organization of CPU showing ALU, all types of registers and the data pat

What are prefetch instructions, What are prefetch instructions? Prefetc...

What are prefetch instructions? Prefetch instructions are those instructions which can be inserted into a program either by the programmer or by the compiler.

What do you meant by extranets, Extranets can be also used to connect an in...

Extranets can be also used to connect an intranet to Internet so that remote offsite access can be made in a company's intranet by an authorized individual. This can facilitate thr

C++, find the minimum total number of shelves including the loading process...

find the minimum total number of shelves including the loading process

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