![The PSTN and ISDN [TY2600/2] badge image. Issued by Wray Castle Limited](https://images.credly.com/size/340x340/images/44bb05f5-b0a3-4288-8577-d9b71a443fae/image.png)
The PSTN and ISDN [TY2600/2]
Issued by Wray Castle Limited
Earners of this badge have learned the principles of modern fixed networks, PSTN and ISDN. They can explain how voice calls are connected and show the operation of the network, including the structure of the telephone number and architecture of the phone network. They can also describe the differences between analogue and digital systems and show how digitisation of the networks leads to quality improvements and more efficient transport processes. Signalling basics have also been covered.Earners of this badge have learned the principles of modern fixed networks, PSTN and ISDN. They can explain how voice calls are connected and show the operation of the network, including the structure of the telephone number and architecture of the phone network. They can also describe the differences between analogue and digital systems and show how digitisation of the networks leads to quality improvements and more efficient transport processes. Signalling basics have also been covered.WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWEarners of this badge have learned the principles of modern fixed networks, PSTN and ISDN. They can explain how voice calls are connected and show the operation of the network, including the structure of the telephone number and architecture of the phone network. They can also describe the differences between analogue and digital systems and show how digitisation of the networks leads to quality improvements and more efficient transport processes. Signalling basics have also been covered.
Skills
Earning Criteria
- Earners of this badge achieved 90% or above in an end of module assessment.
![The PSTN and ISDN [TY2600UIC/2]](https://images.credly.com/size/110x110/images/e0e20793-d3ac-4837-aa87-6b3641f9ea48/image.png)