operational service period
telecommunicative
phone service
telephone company
telco
phone company
on
telephone service
telepresent
on hold
temporary state
keep
serviceableness
WATS line
WATS
base station
permansive
telecoms
telework
clock-face timetable
operator
line of communication
telecommunicational
circulator
dwell
uplink
connection
stay
dwell time
cellularly
talking clock
telefuture
wiredness
teletraffic
exchange
central
limited-stop
telephone exchange
dial-in
telebureau
mail service
cabinetisation
running
radiotelegraph
postal service
post
mail
telepoint
unchanged
hyperconnected
Federal Communications Commission
stateless
FCC
NCTA
unaltered
telephone call
topology
411
teledocumentation
on-hook
face of the earth
being
holddown
connect
beingness
existence
telebusiness
longevity
dead zone
311
length of service
status
telecatalogue
Communications Security Establishment Canada
junctor
squawk box
radio silence
condition
endotactic
maintain
common carrier
physical topology
cybercommuting
micronetwork
minigrid
channels
communicational
statewise
communications technology
base station subsystem
teleconferencing
persistability
off the hook
speedshift
telegraphical
to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.