Disadvantages of the VoIP
Briefly explain some of the disadvantages of the VoIP?
Expert
These are as follows:
a) Some of the VoIP services do not work throughout power outages and the service provider might not offer back-up power.
b) Not all the VoIP services join directly to emergency services via 911.
c) VoIP providers might or might not provide directory assistance or white page listings.
Describe Circuit Level Gateway.
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