the rest is technology
DESCRIPTION
...the rest is Technology. Nodes in a Network. PSTN, Public Switched Telephone Network Cellular, from the cellular radio structure HLR, Home Location Register - Database PABX, Private Branch eXchange Gateways/Transits - Node to Node Switch e.g. International Gateways (MCI&MFS) - PowerPoint PPT PresentationTRANSCRIPT
...the rest is Technology...the rest is Technology
Nodes in a Network
PSTN, Public Switched Telephone Network Cellular, from the cellular radio structure HLR, Home Location Register - Database PABX, Private Branch eXchange Gateways/Transits - Node to Node Switch
– e.g. International Gateways (MCI&MFS)
STP, Signaling Transfer Point - Control SCP, Service Control Point - Database
Call flows, examples
1. PSTN - PSTN 2. PSTN - Cellular (PCS or AMPS) 3. Cellular (PCS) - Cellular (AMPS) 4. Cellular - PABX (Regular number) 5. Cellular - PABX (800) 6. Cellular - International
PSTN - PSTN
578 5626
578 => 578 5626
5626 =>
PSTN - Cellular
673 4831
673 => 673 4831 =>
ID your phone
Where?
<= Location!
Cellular (PCS) - Cellular (AMPS)
673 4831
673 => 673 4831 =>
ID your phone
Where?
<= Location!
Cellular - PABX (Regular #)
705 7769
705 => 705 7 =>
5 7
769 =
>
PABX
Cellular - PABX (800 #)
1 800 222 9293
1 800 2
22 =>
7 1
243 =
>
PABX
222 9293 =>
222 9293=
214 997 1243
<= 214 997 1243
997 =>997 1243 =>
Cellular - International
011 46 8 757 0000
011 46 =
>011 46 =>
8 757 =>
0000 =
>