AddPac VoiceFinder AP1100 Manual de usuario descargar pdf (Pagina 124)

APOS Quick Operation Guide Voice over IP

AddPac Technology Proprietary & Documentation 130 - 124

for security at the network or packet processing layer of network

communication. Earlier security approaches have inserted security at

the Application layer of the communications model. IPsec is said to be

especially useful for implementing virtual private networks and for

remote user access through dial-up connection to private networks. A

big advantage of IPsec is that security arrangements can be handled

without requiring changes to individual user computers. Cisco has been

a leader in proposing IPsec as a standard (or combination of standards

and technologies) and has included support for it in its network routers.

IPv6

IPv6 (Internet Protocol Version 6) is the latest level of the Internet

Protocol (IP) and is now included as part of IP support in many products

including the major computer operating systems. IPv6 has also been

called "IPng" (IP Next Generation). Formally, IPv6 is a set of

specifications from the Internet Engineering Task Force (IETF). IPv6 was

designed as an evolutionary set of improvements to the current IP

Version 4. Network hosts and intermediate nodes with either IPv4 or IPv6

can handle packets formatted for either level of the Internet Protocol.

Users and service providers can update to IPv6 independently without

having to coordinate with each other.

ISP

An ISP (Internet service provider) is a company that provides individuals

and other companies access to the Internet and other related services

such as Web site building and virtual hosting. An ISP has the equipment

and the telecommunication line access required to have a point-of-

presence on the Internet for the geographic area served. The larger

ISPs have their own high-speed leased lines so that they are less

dependent on the telecommunication providers and can provide

better service to their customers. Among the largest national and

regional ISPs are AT&T WorldNet, IBM Global Network, MCI, Netcom,

UUNet, and PSINet.

ITU-T

The ITU-T (for Telecommunication Standardization Sector of the

International Telecommunications Union) is the primary international

body for fostering cooperative standards for telecommunications

equipment and systems. It was formerly known as the CCITT. It is located

in Geneva, Switzerland

IVR

Interactive Voice Response (IVR) is a software application that accepts

a combination of voice telephone input and touch-tone keypad

selection and provides appropriate responses in the form of voice, fax,

callback, e-mail and perhaps other media. IVR is usually part of a larger

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