AT&T MERLIN LEGEND Communications System PBX System Planning Manual page 263

Index
T
T1. See Digital Signal 1 facility.
T1/lSDN-PRl Planner, 3-30
Tables, ARS, 4-44
TDM. See time-division multiplex bus.
TEI. See terminal equipment identifier.
Telephone features, 4-1, 4-4
Call Restrictions, 4-2
Fax Message Waiting Receiver and Threshold, 4-4
Forced Account Code Entry, 4-3
microphone operation, 4-3
Pool dial-out code, 4-2
Remote Call Forward, 4-3
Telephone number for PRI facility, 3-25
Telephone number to send for PRI facility, 3-26
Telephone user survey, 1-7, 1-10
Terminal equipment identifier, 3-26
Test telephone number for PRI facility, 3-26
Three-Digit numbering plan, 2-20, 2-22
Threshold
calling group Calls-in-Queue Alarm, 4-24
Fax Message, 4-4
Tie trunks, 3-36
pooling, 3-14
Time-division multiplex bus
Time Set for Night Service, 4-37
Time, system date and, 2-11
Timer
DLC Operator Hold, 4-6
QCC Operator Hold, 4-11
Timers and counters for PRI facility, 3-27
Tip/ring equipment, station jacks for, 2-19
Tip/ring interface, MFM acting as, 2-17
Toll Fraud
preventing, xi
Toll prefix dialing requirements, 3-8
Toll Type, 3-8
Touch-tone
dial mode for tie trunk, 3-38
receivers, modules with, 2-4
signaling on DID trunks, 3-41
T/R. See tip/ring.
Transfer Audible, 4-28
Transfer button versus One-Touch Transfer, 4-27
Transfer of calls options, 4-27
Transfer Return Interval, 4-27
Trunk and station capacity, 2-4
Trunk and station modules
capacities, 2-5
definition of, 1-3
placement in control unit, 2-6
IN-8
and clock synchronization, 3-22
Trunk assignment
DLC, 3-48
telephones, 3-43
Trunk assignment to DLCs, 3-48
Trunk connections, 3-1
Trunk jacks
coding, 3-3
logical IDs for, 2-6
types of, 3-1
Trunk labeling, 4-38
Trunk options
DID trunks, 3-39
DS1 facility (100D module), 3-16
Hold Disconnect, 3-9
loop-start disconnect reliability, 3-7
P o o l s , 3 - 1 4
Primary Rate Interface facility, 3-25
QCC operator receiving call, 3-9
Remote Access, 3-11
rotary dial trunks, 3-8
T1/lSDN-PRl Planner, 3-30
tie trunks, 3-36
Toll type, 3-8
TTR. See touch-tone receiver.
Two-Digit numbering plan, 2-20
Type
calling group, 4-26
DID trunk, 3-40
DS1 facility, 3-17
Toll, 3-8
Transfer, 4-28
U
Unassigned extension numbers, redirect calls to, 4-32
User survey, telephone, 1-7, 1-10
V
Voice Announce to Busy, 2-16
Voice/data station jack pair, 2-16
Voice/voice station jack pair, 2-16
W
Warranty, xi
WATS trunks, connecting, 3-4
Wink-start
DID trunks, 3-40
tie trunk, 3-37