TPM
Trusted Platform Module. TPM is an international standard for a secure cryptoprocessor, which is a dedicated
microcontroller designed to secure hardware by integrating cryptographic keys into devices.
TSF
Timing Synchronization Function. TSF is a WLAN function that is used for synchronizing the timers for all the
stations in a BSS.
TSPEC
Traffic Specification. TSPEC allows an 802.11e client or a QoS-capable wireless client to signal its traffic
requirements to the AP.
TSV
Tab-Separated Values. TSV is a file format that allows the exchange of tabular data between applications that
use different internal data formats.
TTL
Time to Live. TTL or hop limit is a mechanism that sets limits for data expiry in a computer or network.
TTY
TeleTypeWriter. TTY-enabled devices allow telephones to transmit text communications for people who are
deaf or hard of hearing as well as transmit voice communication.
TXOP
Transmission Opportunity. TXOP is used in wireless networks supporting the IEEE 802.11e Quality of Service
(QoS) standard. Used in both EDCA and HCF Controlled Channel Access modes of operation, TXOP is a
bounded time interval in which stations supporting QoS are permitted to transfer a series of frames. TXOP is
defined by a start time and a maximum duration.
UAM
Universal Access Method. UAM allows subscribers to access a wireless network after they successfully log in
from a web browser.
U-APSD
Unscheduled Automatic Power Save Delivery. U-APSD is a part of 802.11e and helps considerably in
increasing the battery life of VoWLAN terminals.
UCC
Unified Communications and Collaboration. UCC is a term used to describe the integration of various
communications methods with collaboration tools such as virtual whiteboards, real-time audio and video
conferencing, and enhanced call control capabilities.
UDID
Unique Device Identifier. UDID is used to identify an iOS device.
AOS-W 6.5.3.x | User Guide Glossary of Terms | 1154