Word / Term Definition

International Telecommunication Union

IP Telephony

The telephone system allowing voice to travel over data networks using Internet Protocol.

Internet Service Provider (ISP)

“Internet Service Provider (ISP)” provides Internet services to the end users.

Internet Protocol version 6 (IPv6)

“Internet Protocol version 6 (IPv6)” is a network layer for Packet- Switched Internet works. It is designated as the successor of IPv4, the current version of the Internet Protocol, for general use on the Internet. The main change brought by IPv6 is a much larger address space that allows greater flexibility in assigning addresses. It uses 128 bit for Addressing.

Internet Protocol version 4 (IPv4)

“Internet Protocol version 4 (IPv4)” is the fourth iteration of the Internet Protocol (IP) and it is the first version of the protocol to be widely deployed. IPv4 is the dominant network layer protocol on the Internet. It uses 24 bit for Addressing.

Internet Exchange (IX)

switching system which connects all the Internet Service Providers (ISPs) and equivalent service providers to an exchange having two parts, to wit- (1) International Internet Gateway (IIG) providing for global internet connectivity and (2) National Internet Exchange (NIX) providing for connectivity with domestic Internet Service Providers and equivalent service providers.

Internet Engineering Task Force (IETF)

“Internet Engineering Task Force (IETF)” develops and promotes Inernet standards, cooperating closely with the World Wide Web Consortium and ISO/IEC standard bodies and dealing in particular with standards of the TCP/IP and Internet protocol suite. It is an open standards organization, with no formal membership or membership requirements. All participants and leaders are volunteers, though their work is usually funded by their employers or sponsors.

International Private Leased Circuit (IPLC)

International point to point leased circuit

International Long Distance Cable (ILDC)

means submarine cable (SC) and/or International Terrestrial Cable (ITC) service provider.

International Internet Gateway (IIG)

“International Internet Gateway (IIG)” refers to switching systems through which international data traffic is sent and received. It allows non-business computer-based voice traffic (messenger etc.).

International Gateway (IGW)

Switching systems through which international voice traffic is sent and received, with provisions for allowing physical monitoring of the traffic flow;

Interconnection Exchange (ICX)

Switching system which provides interconnection among telecommunication networks of operators and allows monitoring, lawful interception (LI) facilities and roaming number portability.

ILDTS Policy

International Long Distance Telecommunication Services Policy (existing or to be formulated by the Government from time to time)