1
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: ,
: . . -11-03
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2014
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, (PSTN), , (PBX), PBX , , , .
1.3.1 , ,
1.3.2 PSTN,
1.3.3 . .
1.3.4
1.3.5 .
1.3.6 .
1.3.7 .
:
1.4.1 NetCracker clouds , PSTN, . (. 1.1.) (PBX), , .
1.4.2 PSTN.
. Properties (). Ports .
. , , ? , . LAN adapters, , Ethernet adapter.
, LAN adapters Ethernet adapter. , , , , , (. 1.1).
1.1
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. MODEM dual-up 3 Courier V. Everything (External). Link Devices , ; Link Assistant (. 1.2).
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1.2
Link Assistant , ( Link, Unlink ); .
Close. .
1.4.3 (. 1.3).
1.3
1.4.4 , .
Set Voice Calls, , .
Profiles, (. 1.4).
Set Traffic. PSTN , .
1.4 Profiles
Profiles, (. 1.5).
1.5 Profiles
, LAN peer to peer traffic ( ). , Assign. Global, Data Flow.
, Statistic (), . : Average workload ( ), Current workload ( ), Current utilization ( ), Average utilization ( ), Packets for last second ( ), Packets dropped for last s ( ). .
1.4.6 , .
Start , .
1.1
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1.5.1 ?
1.5.2 PSTN?
1.5.3 , ?
1.5.4 ?
1.5.5
1.5.6 ?
1.5.7
1.5.8 PSTN?
1.5.9 PSTN ?
: PSTN, IDN, ISDN, IN. , .
PSTN (Public Switched Telephone Network). (). , , - . .
. , , , 70- . IDN (Integrated Digital Network), . .
. , . ISDN (Integrated Service Digital Network).
IN (Intelligent Network). , . , , . . , , , . .
, , (. PSTN, Public Switched Telephone Network) , , - .
PSTN , Class-5 (PBX) IXC (. interexchange carriers)
PSTN ( ) () () . . , , .
PSTN ( ). . , CATV .
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, ( ). .
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5. - , , .
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7. 
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8. PSTN (Public Switched Telephone Network) - . . , .
PSTN:
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: PSTN , .
PSTN:
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: PSTN , , PSTN .
