Found 9 full forms for PSTN
| Term | Full Form | Category |
|---|---|---|
| PSTN | Plain Standard Telephone Network 
| Others |
| PSTN | Professional Security Training Network
| Others |
| PSTN | Public Switch Telephone Network
| Others |
| PSTN | Public Switched Technology Network
| Others |
| PSTN | Public Switched Telecommunications Network
| Others |
| PSTN | Public Switched Telephone Network
| Others |
| PSTN | Public Switched Telephony Network
| Others |
| PSTN | Public Switches Telephone Network
| Others |
| PSTN | Public Switching Telephone Network
| Others |