Click Fraud
Dec
10
2018
Hierarchy of PSTN Switching Center
PSTN hierarchy
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?
Automated Attendant
Now, if you are system integrator, and you are setting up classic PBX network with
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Sep
08
2018
Why Firewall is Used?
Everyone's or more or less familiar with a term "firewall", and has more or less understanding what it is - why really, why firewall is used, and why firewall is important for modern networks? &nbs
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Aug
13
2018
Network Topologies: Star, Mesh & Hybrid
Star Topology
When you are designing your network - be it wired, wireless, fiber or other media - it's always important to thing of what type of network topolog
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Aug
13
2018
What is an IP network?
PSTN network
What is IP network?      Let's define this in today's 101 blog post.     Network defines an IP address range. It is kind of like an area code fo
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