What is firewall
What is firewall? Briefly explain it.
Expert
The firewall is a hardware or software installed to give security to the private networks joined to the internet. They can be implemented in both software and hardware, or a combination of both. All data leaving or entering the Intranet passes via the firewall that permits only the data meeting the administrator’s rules to pass via it.
For VOIP, first you need to consider the codec to use. Although there are many voice codecs, MyCo wants the safest bet and suggests that you design with the most known and oldest codec G.711 since they are very concerned about the voice quality with VoIP. Calculate the voice payload from G.711
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