also stands for “Packet InterNet Groper.”
Port
On a computer or other electronic device, a port is a socket or plug used to
physically connect it to the network or to other devices. In TCP/IP, a port is
a number from 0 to 65536 used logically by a client program to specify a
server program. Ports 0 to 1024 are reserved.
Port Triggering
A mechanism that enables incoming communication with specified
applications. Primarily used for gaming applications.
POTS
“Plain old telephone service;” basic analog telephone service. POTS uses
the lowest 4 kHz of bandwidth on twisted pair wiring.
PPP
Point-to-Point Protocol is a method to establish a network connection or
session between hosts.
PPPoE
Point-to-Point Protocol over Ethernet is a specification for connecting to the
Internet used with DSL modems.
PPTP
Point-to-Point Tunneling Protocol encapsulates other protocols to create
VPNs. It is developed jointly by several vendors.
Private IP
Address
An IP address assigned to a computer on the HH1620 LAN by the DHCP
server on the HH1620 for a specified lease time. Private IP addresses are
used by the HH1620 LAN only; they are invisible to devices on the Internet.
See also public IP address.
PSTN
The public switched telephone network is the traditional circuit-switched,
voice-oriented telephone network. See also POTS.
Public IP
Address
A public IP address is visible to devices on the Internet. See also private IP
address.
QoS
quality of service
RIP
Routing Information Protocol enables routers to exchange routing
information with other network routers. Any RIP-enabled router:
Sends automatic update packets containing its routing table
periodically (every 30 seconds)
Accepts periodic updates from other routers and adds, deletes, or
modifies routes in its routing table accordingly
Responds to requests for its routing table
RTP
Real Time Protocol for voice traffic.
RJ-11
The most common type of connector for household or office phones.
RJ-45
The most common type of port for Ethernet networks.
Roaming
The ability to transfer your wireless session from one AP to another AP
seamlessly.
Router
On IP networks, a device connecting at least two networks, which may or
may not be similar. A router filters data based on the IP address,
examining the source and destination IP addresses to determine the best
route on which to forward it.
Routing Table
A table listing available routes that is used by a router to determine the
best route for a packet.
Server
A dedicated computer that supplies files, data, or services to other “client”
computers or devices.
SIP
Session Initiation Protocol for voice traffic.
S-MTA
A standalone media terminal adapter converts analog voice signals to and
from a standard telephone to digital data that can be transmitted through a
broadband connection over the Internet.
SSH
secure shell
Stateful
Inspection
A type of firewall that tracks each connection traversing all firewall
interfaces to ensure validity. In addition to examining the source and
destination in the packet header based on static rules, a stateful inspection
firewall:
HH1620 Wireless VoIP Gateway
User’s Guide
76
Summary of Contents for HH1620
Page 1: ...User Guide HH1620 Wireless VoIP Gateway ...
Page 35: ...Configuration Statistics WAN Statistics ATM HH1620 Wireless VoIP Gateway User s Guide 28 ...
Page 36: ...Configuration Statistics ADSL Statistics VDSL HH1620 Wireless VoIP Gateway User s Guide 29 ...
Page 42: ...Configuration HH1620 Wireless VoIP Gateway User s Guide 35 ...
Page 53: ...Configuration Certificate Local HH1620 Wireless VoIP Gateway User s Guide 46 ...
Page 54: ...Configuration Certificate Trust CA HH1620 Wireless VoIP Gateway User s Guide 47 ...
