Compt* Netuos
hsslsnment - 3
PSTN (Puslic Switched 4elephohe wetwert)
PSTN is tu tadi tonal jntrastuctu sed tox
Landine telephohe eea Lommunfcetos.
Axchite Ctue ’
PST s a cisceA Sisithed Netw0e
Vat Netek fntertaninettedtelephone
nesSwi tches ahd exchanA;
Isansmísssoni’
e
the entie telephone netwexK was
analogbutit haostiy ditl
Seviti
Ps TNrovicd Vasus sevices sucK adiuotee
Caliy tax thainaission anddata commwniaton
pats n dude sui thes Gd backbo he
na b{us ten.
Cyuipmen and ty ys tlphohe switch
lalledthedocal doep analep
’NaowbaneIsbNlomcbnei volca ueo qud
hataoues th same d t a l eiceuitAcceptn(e
has been slow dwTo a dacK n styndatltoy
hsslsnment - 3
PSTN (Puslic Switched 4elephohe wetwert)
PSTN is tu tadi tonal jntrastuctu sed tox
Landine telephohe eea Lommunfcetos.
Axchite Ctue ’
PST s a cisceA Sisithed Netw0e
Vat Netek fntertaninettedtelephone
nesSwi tches ahd exchanA;
Isansmísssoni’
e
the entie telephone netwexK was
analogbutit haostiy ditl
Seviti
Ps TNrovicd Vasus sevices sucK adiuotee
Caliy tax thainaission anddata commwniaton
pats n dude sui thes Gd backbo he
na b{us ten.
Cyuipmen and ty ys tlphohe switch
lalledthedocal doep analep
’NaowbaneIsbNlomcbnei volca ueo qud
hataoues th same d t a l eiceuitAcceptn(e
has been slow dwTo a dacK n styndatltoy
