PABX |
Private Automatic Branch
Exchange |
|
|
Packet |
A piece of data transmitted
over a packet-switching network such as the Internet. A packet includes not just data but
also its destination. |
|
|
PACTS |
Public Access Cordless
Telecommunication Service |
|
|
PAN |
Personal Area Network |
|
|
Parked Units |
Those devices within a
piconet which are synchronized but do not have a MAC address. |
|
|
PBX |
Private Branch Exchange |
|
|
PCI |
Protocol Control
Information |
|
|
PCN |
Personal Communications
Network |
|
|
PCS |
Personal Communications
Service. New digital cellphone systems in 2GHz range. Mostly GSM. |
|
|
PDA |
Personal Digital Assistant.
Handheld computer or personal organiser device. |
|
|
PDC |
Personal Digital
Communications. Digital cellphone system in Japan. |
|
|
PDC (2) |
Personal Digital Cellular
System Phones using the PDC, which is an international cellular system that uses both
full, and half rate speech code (5.6 kbps) and allows high speed transmission at 9.6 kbps
to ensure efficient spectrum utilization |
|
|
PDI |
Protocol DIscriminator |
|
|
PHS |
Personal Handyphone System |
|
|
PIC |
Point In Call |
|
|
Piconet |
A network of devices
connected using Bluetooth wireless technology. A piconet may consist of two to eight
devices. In a piconet, there will always be one master while the others are slaves. |
|
|
PID |
Protocol Identifier |
|
|
PIN |
Personal Identification
Number |
|
|
P-Java |
Personal Java. Java API and
specification for running Java applications on small devices. |
|
|
PLMN |
Public Land Mobile Network,
cellular network |
|
|
PM |
Personal Mobility |
|
|
PMTS |
Public Mobile Telephone
System |
|
|
PN |
Personal Number |
|
|
Pocket PC |
A handheld Windows-based
computer that runs the Pocket PC operating system (formerly Windows CE). The Pocket PC
operating system (Version 3.0 of Windows CE) adds a new interface along with greater
stability, Pocket Office applications (Internet Explorer, Word and Excel), handwriting
recognition, an e-book reader, wireless Internet and longer battery life. The Pocket PC
was designed to compete more directly with the popular Palm devices. |
|
|
POI |
Point of Interconnect |
|
|
POR |
Point Of Return |
|
|
POTS |
Plain Old Telephony Service |
|
|
PRI |
PRIority |
|
|
PSTN |
Public Switched Telephone
Network |
|
|
PSTS |
Public Switched Telephone
Service |
|
|
PTNX |
Private Telecommunication
Network eXchange |
|
|
PTO |
Public Telecommunication
Operator |