Which of the following are the components of local loop signaling?

One of the most important things common in all IP phones?

Which are the major VoIP protocols?

What do you call a medium which allows multiple channels?

Which method is most commonly used to remove echo in telephone networks these days?

Minimum bandwidth required for VoIP to deliver high quality services?

Which are examples of CCS?

VoIP runs only on the internet. It cannot run on any other network.

Through which protocols can VPNs be implemented at layer 2?

For which service is SS7 responsible?

Which are true regarding circuit-switched networks (POTS) and packet-switched networks?