Public Switched Telephone Network
(เครือข่ายโทรศัพท์สาธารณะแบบสวิตช์)
Definition
Public Switched Telephone Network (เครือข่ายโทรศัพท์สาธารณะแบบสวิตช์) Hard Skill
The Public Switched Telephone Network (PSTN) is the traditional circuit-switched telephone network that enables voice communication through a global system of interconnected telephone lines and switches.
Expertise Level
Level 1
Basic
1. Understands the basic concept of the PSTN and its purpose.
2. Can identify common components such as telephone lines and switches.
3. Recognizes the difference between PSTN and other communication networks.
Level 2
Intermediate
1. Can explain how PSTN establishes and manages circuit-switched connections.
2. Understands signaling protocols used within PSTN, such as SS7.
3. Able to troubleshoot basic connectivity issues within PSTN.
Level 3
Advanced
1. Can design and optimize PSTN infrastructure for reliable communication.
2. Understands integration of PSTN with IP-based networks and next-gen telephony services.
3. Expertise in diagnosing and resolving complex network issues related to PSTN.
