| PPTP | Preproduction Test Procedure | 生产前试验的程序 |
| PPTP | Point-to-Point Tunneling Protocol | 点对点信道通讯协议 |
| PPTP | Program Performance Test Procedure | 程序性能测试程序 |
| PPTP | Program Performance Test Plan | 项目性能测试计划 |
| PPTP | Pigeon Packet Transfer Protocol | 鸽子数据包传输协议 |
| PPTP | Point to Point Tunneling Protocol | 点对点隧道协议 |