Voip Study Guide

Study Guide Final Exam

President Bill Clinton signed this legislation into a law, which promoted competition and deregulation in almost all aspects of the telecom industry. It provided cable TV regulation, where any company who has the capital can provide telephone, Internet, and/or TV service. What is this legislation called?

Telecommunications Act of 1996

Once a user logs in to the Asterisk Manager, it uses a logical path-way for voice connections at the application layer. What is this path-way called?

Channels

One feature of a PBX is the ability to include intelligence that upon a request for a long distance call determines the lowest cost route and uses that vendor, thus, minimizing its LD call expenditures. What it this feature?

Least Cost Routing

 This is a transmission media that consists of a center conductor and surrounded by an outer conductor. It is more expensive than twisted-pair and physically more bulky than other media.

Coaxial

This protocol is used by VoIP to replace traditional telephony and it is one of the oldest networking standards, developed for the APRANET. It enables systems to send large files of information across unreliable networks with great assurance that the data will arrive uncorrupted.

TCP/IP

These are devices or software that use algorithms for packaging multimedia data in order to stream, or transport it in real time, over a network.

Codecs

Defined in RFC2705, it is a protocol used by telephone companies or VoIP service providers in carrier grade switching applications hosted by PBXs or IP CENTREX CPEs. What is the name of this protocol?

MGCP

This type of encoding is responsible for dividing a stream of digital sound information into manageable, mostly equal-sized chunks for transport over a network.

Framing

After you pick up a telephone to place a call, how does your voice get transmitted down all those wires? In other words, what conversions take place to the speech you are transmitting to the receiver on the...