Asymmetric Digital Subscriber Line (see Wikipedia for details).

Address Resolution Protocol (see Wikipedia for details).

Basic Rate Interface (see Wikipedia for details).

Dynamic Host Configuration Protocol (see Wikipedia for details).

Domain Name System (see Wikipedia for details).

Digital Signal Processor (see Wikipedia for details).

Dual-Tone Multi-Frequency (see Wikipedia for details).

- (see Wikipedia for details).

File Transfer Protocol (see Wikipedia for details).

Foreign eXchange Office (see Wikipedia for details).

Foreign eXchange Station (see Wikipedia for details).

Global System for Mobile communications (see Wikipedia for details).

- (see Wikipedia for details).

High-level Data Link Control (see Wikipedia for details).

High bit rate Digital Subscriber Line (see Wikipedia for details).

HyperText Transfer Protocol (see Wikipedia for details).

- (see Wikipedia for details).

Inter-Asterisk eXchange (see Wikipedia for details).

Internet Control Message Protocol (see Wikipedia for details).

Internet Protocol (see Wikipedia for details).

IP security (see Wikipedia for details).

Integrated Services Digital Network (see Wikipedia for details).

Local Area Network (see Wikipedia for details).

Link Access Protocol, Balanced (see Wikipedia for details).

Link Access Procedures, D channel (see Wikipedia for details).

Media Access Control (see Wikipedia for details).

Network address translation (see Wikipedia for details).

Open Shortest Path First (see Wikipedia for details).

Port address translation (see Wikipedia for details).

Private Branch eXchange (see Wikipedia for details).

Peripheral Component Interconnect (see Wikipedia for details).

Plain Old Telephone Service (see Wikipedia for details).

Point-to-Point Protocol (see Wikipedia for details).

Point-to-Point Protocol over Ethernet (see Wikipedia for details).

Primary Rate Interface (see Wikipedia for details).

Public Telephone Switched Network (see Wikipedia for details).

Quality of Service (see Wikipedia for details).

Routing Information Protocol (see Wikipedia for details).

- (see Wikipedia for details).

- (see Wikipedia for details).

Synchronous Data Link Control (see Wikipedia for details).

Session Initiation Protocol (see Wikipedia for details).

Simple Mail Transfer Protocol (see Wikipedia for details).

Simple Network Management Protocol (see Wikipedia for details).

Simple Network Time Protocol (see Wikipedia for details).

Secure Socket Layer (see Wikipedia for details).

Secure Shell (see Wikipedia for details).

Simple Traversal of UDP through NATs (see Wikipedia for details).

Transmission Control Protocol (see Wikipedia for details).

Time-Division Multiplexing (see Wikipedia for details).

Telecomminication Network (see Wikipedia for details).

User Datagram Protocol (see Wikipedia for details).

Universal Serial Bus (see Wikipedia for details).

Voice over IP (see Wikipedia for details).

Virtual Private Network (see Wikipedia for details).

Virtual Router Redundancy Protocol (see Wikipedia for details).

- (see Wikipedia for details).

Digital Subscriber Line (see Wikipedia for details).