Explain new services of cpu based exchange, Computer Engineering

Assignment Help:

Explain new services of CPU Based Exchange.

These new services are termed as supplementary services and several of the prominent ones are given below as:

 Category 1:

  • Recorded number calls or no dialing calls
  • Abbreviated dialing
  • Call back while free.

Category 2:

  • Operator answer.
  • Call forwarding

Category 3:

  • Call waiting
  • Calling number record
  • Conference calls.
  • Consultation hold

Category 4:

  • STD barring
  • Automatic alarm
  • Malicious call tracing

Issues commands of a subscriber to an exchange to deactivate or activate a service, record or solicit an acknowledgement or clear data in the subscriber line data area from the exchange. As an illustration, a user may enable or disable STD service on his line by using a command. A command may be or not have data related with this. The number of digits in the data, while present, may vary depending on the command. As an effect, subscriber commands are designed to be of variable length requiring the use of an end-of-command symbol.


Related Discussions:- Explain new services of cpu based exchange

Dma controllers - computer architecture, DMA controllers in computer system...

DMA controllers in computer system:   DMA Controller   Part of the I/O device interface   DMA Channels   Performs functions that in general would be performed by t

Identifying stakeholders, I have chosen an imaginary example to illustrate...

I have chosen an imaginary example to illustrate the different stakeholder categories. At Home sells a selection of consumer products, currently listed in a paper catalogue, whi

Why is translation look-aside buffers important, Why is Translation Look-as...

Why is Translation Look-aside Buffers (TLBs) important? The implementation of page-table is completed in the following manner: Page table is maintained in main memory.

Define speculative execution, Define speculative execution. Speculative...

Define speculative execution. Speculative execution means that instructions are implemented before the processor is particular that they are in the correct execution sequence.

Average data transfer rate in floppy, Q. Average data transfer rate in flop...

Q. Average data transfer rate in floppy? A floppy is about 0.64 mm thick and is available in diameters 5.25 inch and 3.5 inch. Data are arranged in form of tracks and sectors.

What is nv-ram, Nonvolatile Read Write Memory, also kown as Flash memory. I...

Nonvolatile Read Write Memory, also kown as Flash memory. It is also called as shadow RAM.

What is an arithmetic processor, Q. What is an arithmetic processor? A ...

Q. What is an arithmetic processor? A distinctive CPU necessitates most of the control and data processing hardware for implementing non-arithmetic functions. As the hardware c

Show the layout of dvorak-dealey keyboard, Q. Show the layout of Dvorak-Dea...

Q. Show the layout of Dvorak-Dealey keyboard? This was one keyboard layout designed to be a challenger to QWERTY layout. This was designed by August Dvorak and William Dealey a

What is a parent class of all java classes, Parent class of all Java classe...

Parent class of all Java classes is? All Java class's parent class is java. lang.object.

Design a logic circuit, Ask questDesign a logic circuit with 4 inputs A, B,...

Ask questDesign a logic circuit with 4 inputs A, B, C & D that will produce output ‘1’ only whenever two adjacent input variables are 1’s. A & D are also to be treated as adjacent,

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