Trendnet TVP- 221H User Manual

TVP-221H User’s Guide 

4 

Throughout this guide, the user will come across a number of abbreviations that 
are common throughout the industry.  The user should be familiar with the 
following abbreviations: 

Address Translation and Parsing Manager 

Command Line Interface 

Digital Signal Processor 

Dual Tone Multi-Frequency 

Foreign Exchange Office 

Foreign Exchange Station 

ITU specification for multimedia transmission over IP 
networks 

Internet Control Message Protocol  

International Multimedia Telecommunications 
Consortium 

Internet Protocol 

4-port VoIP Gateway 

4-port VoIP Gateway Router 

Key Telephone System 

Local Area Network 

Non-Volatile Storage 

Light Emitting Diode 

Private Branch Exchange 

Public Switched Telephone Network 

Real-Time Transport 

Telephony Channel Identifier 

Trivial File Transfer Protocol  

Telephony Interface Modules  

Telephone Network Voltage 

User Datagram Protocol 

Unshielded Twisted Pair 

Voice Activity Detection 

Wide Area Network