Difference between ISDN and PSTN
The differences between ISDN and PSTN are following
|
Feature |
ISDN |
PSTN |
|---|---|---|
|
Data Transfer rate |
Higher Data Transfer rates. |
Lower Data Transfer rates. |
|
Simultaneous connections |
Allow multiple simultaneous connections. |
Allow Single simultaneous connections. |
|
Cost |
Higher cost |
Lower cost |
|
Transmission protocol |
Digital Transmission protocol |
Analog Transmission protocol. |
|
Quality of Service |
Better quality of service |
Lower quality of service |
|
Data Transmission |
Supports both Data and voice transmission. |
Supports only voice transmission. |
|
Number of Channels |
It can have 10-30 channels. |
It only have 1 channel. |
|
End-to-end connection |
End-to-end connection is possible in ISDN. |
End-to-end connection is not possible in PSTN. |
|
Technology Used |
Digital |
Analog |
|
Speed |
up to 128 Kbps(BRI) or 2 Mbps (PRI) |
up to 56 Kbps |
|
Flexibility |
More flexibility and offers services like data, voice, video, etc. |
Limited flexibility and offers service of voice communication. |
|
Availability |
Available in some areas. |
Widely available |
|
Bandwidth |
higher bandwidth capacity |
lower bandwidth capacity. |
Difference Between ISDN and PSTN
In this article, we will cover communication protocols that are used for the transmission of data and voice. We will have a look at what is ISDN and PSTN. Then we will look at the differences between them. After this, we will look at the advantages, disadvantages and applications of both.
Table of Content
- What is ISDN?
- PSTN
Difference between ISDN and PSTN- Advantages and Disadvantages of ISDN and PSTN
- Applications of ISDN and PSTN
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