1. Glossary and Terms (Download PDF)
2. A usful list of Acronyms
A B C D E F G H I J K L M N O P Q R S T U V W X
p2p point-to-point (or peer-to-peer)
PABX Private Automated Branch Exchange
PBX Private Branch Exchange
PC Personal Computer
PHB Per Hop Behavior
Phy Physical layer
pkt Packet
P-NNI Private NNI
POTS Plain Old Telephone Service (PSTN)
PPP Point-to-Point Protocol
PSTN Public Switched Telephone Network
PVC Permanent Virtual Channel/Circuit