Click Fraud
Dec
10
2018
Hierarchy of PSTN Switching Center
POTS and loops have already been discussed in great detail, and it’s time to look at PSTN’s trunk side. The Figure shown below illustrates Bell System switching centers’ five-level hierarchy.
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Sep
14
2018
Attendant, Automated Attendant or IVR?
Now, if you are system integrator, and you are setting up classic PBX network with
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Aug
24
2018
Difference between PABX, PBX and Centrex
Traditional PBX and Centrex     Traditional Centrex and PBX are systems developed and installed before
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Aug
20
2018
Structure of Telephone Network: Access Network | Switching Network | Transmission Network
Telephone networks are traditionally described as consisting of three parts: access, switching and transmission, also known as the access network, switching netwo
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Jun
06
2018
Introduction to VoIP – VoIP System Components – VoIP Protocol Aspects – Softswitch/SIP proxy – Gateway function
Despite of the fact that there are several thousands (if not millions) of conventional CO circuit switches and Private Branch Exchanges (PBXs) active, emerging programs are operating under VoIP protoc
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