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

What is gimps native graphics file format, XCF is GIMP's "native" format. T...

XCF is GIMP's "native" format. This will preserve all information about an image, having the layers.

Write examples of declarations of external variables, Examples of declarati...

Examples of declarations of external variables  that  are  not definitions: extern char stack[10]; extern int stkptr; These declarations tell the compiler that the variab

Example of asymptotic notations, Q. Example of asymptotic notations? Th...

Q. Example of asymptotic notations? The function f (n) belongs to the set  (g(n)) if there exists positive constants c such that for satisfactorily large values of n we have 0

What is electronic cash, What is electronic cash? E-cash is cash which ...

What is electronic cash? E-cash is cash which is shown by two models. One is the on-line form of e-cash which permits for the completion of all types of internet transactions.

Develop a menu-driven application, In assignment you are required extend th...

In assignment you are required extend the Patient class to implement an  Inpatient  class,  representing a patient who is admitted to the hospital for a longer term and who may req

What is assembler directive, What is assembler directive? SUM EQU 200 ...

What is assembler directive? SUM EQU 200 Assembler directives are not instructions that will be implemented. It easily informs the assembler that the name SUM should be chan

Why we need number systems, Q. Why we need number systems? Number syste...

Q. Why we need number systems? Number system is used to signify information in quantitative form. Some of the general number systems are octal, decimal, hexadecimal and binary.

How to use data validation function in vba, Data validation is a significan...

Data validation is a significant concept in VBA. Application process and a custom dialog box can be used to accurate input errors. You can assign an application process to the fram

What is sap luw or update transaction, What is SAP LUW or Update Transactio...

What is SAP LUW or Update Transaction? Update transaction (or "SAP LUW") This is a set of updates terminated by an ABAP/4 commit.  A SAP LUW may last much longer than a data

Serial execution and parallel execution, Serial Execution Execution of ...

Serial Execution Execution of a program consecutively, one statement at a time. In the easiest sense, this is what occurs on a one processor machine. However, even many of the

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