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POP3 (Post Office Protocol v3)
BRI (Basic Rate Interface) Type of ISDN connectino with 2 channels with 64
Kbps each.
PUK (Personal Unblocking Key)Code for SIM card unblocking after repeated PIN
entering error.
SIM (Subscriber Identity Module)Modul with a chip for identification in the GSM
network.
SMPP (
Short Message Peer to Peer)
(short message service center)
SMSC
SMTP (
)
Simple Mail Transfer Protocol
SMS (Short Message Service)Short text message transmitting service in GSM
networks. Short text messages.
SSH (Secure Shell) Secured communciation protocol for LANs, program.
SW (Software)Program, programové vybavení
TCP (Transmission Control Protocol)
TE (Terminal Equipment) Terminal equipment on the user side (such as ISDN
telephone, fax, router, etc.), connected to the NT port only.
UCMD Protocol used for gateway firmware upgrade.
UDP (User Datagram Protocol) Transport layer protocol with non–guaranteed
packet delivery.
UMTS (Universal Mobile Telecommunication System) 3G system of the mobile
phone standard, successor to GSM.
UPS (Uninterruptible Power Supply) Source of continuous power supply.
USSD (Unstructured Supplementary Service Data) Data transmission standard
using GSM signalling channels.