Acronym |
Definition |
| PPM | Pulse Position Modulation |
| PPP | Point-to-Point Protocol |
| PPSD | Personal Portable Security Device |
| PPSN | Public Packet Switched Network |
| PPT | Post Production Test |
| PPTN | Professional Provider Telecommunication Network |
| PPTN | Professional Provider Telecommunications Network |
| PPTP | Point-to-Point Tunneling Protocol |
| PR | Please Retry |
| PRA | Primary Rate Access |
| PRACK | Provisional Response ACKnowledgement |
| PRBS | Pseudo-Random Binary Sequence |
| PRBT | Personal Ring Back Tone |
| PRD | Pseudo-Random Downstream |
| PRI | Primary Rate Interface |
| PRL | Preferred Roaming List |
| PRM | Performance Report Message |
| PRN | Pseudo-Range Node |
| PRS | Primary Reference Source |
| PRU | Pseudo-Random Upstream |
| PRU-ICSS | Programmable-Realtime Unit Industrial Communications Sub-System |
| PS | Phone Service |
| PSC | Packet Switched Call |
| PSDS | Public Switched Digital Service |
| PSELFEXT | Power Sum Equal Level Far End Cross Talk |
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